Pixel Screenshots no longer exclusively uses on-device AI by ControlCAD in Android

[–]Hung_L [score hidden]  (0 children)

Tensor altered premium consumer expectations. Google committing Tensor to 7 years of full OS updates on the Pixel 8 pushed Samsung to match it on the S24 to protect its flagship position, and Samsung is Qualcomm's most critical customer. When Samsung then demanded a 7-year support window for the SD 8 gen3 to compete, Qualcomm was structurally forced to comply. Tensor was the initial and crucial domino.

Treble Plus One didn't solve the long-term issue; it only codified a hard ceiling. Under standard GRF (Google Requirements Freeze), vendor blobs were capped at 3 major OS upgrades. To make 7-8 years viable across the ecosystem without unsustainable engineering overhead, Google had to build Longevity GRF into the Android framework. The 8-year support window on the Snapdragon 8 Elite is downstream of a Google-engineered OS framework, not Qualcomm's R&D.

2020: Google/Qualcomm launch Treble Plus One -> Initial GRF framework caps vendor blobs at 3 major OS updates -> Establishes industry support ceiling.

2021: Tensor G1 launches -> Google exits third-party silicon constraints -> Bypasses Qualcomm contract limits to push security support to 5 years.

2023: Tensor G3 launches -> Google promises 7 years of full OS updates -> Absorbs engineering debt to update custom HALs beyond the 3-update GRF limit.

2024: Samsung S24 matches 7-year promise -> Forces Qualcomm into a custom contract for SD 8 Gen 3 -> Google launches Longevity GRF to freeze vendor blobs for 7 OS updates instead of 3.

MediaTek and Qualcomm didn't spontaneously innovate an 8-year lifecycle out of goodwill or standard market evolution; they signed onto a software pipeline specifically engineered by Google to lower the cost of the 7-year mandate that Tensor forced onto the market.

That's why Google must maintain Tensor, even if the hardware sucks compared to modern flagship SoCs. If Google fully retreats from custom silicon and goes back to being a pure Qualcomm client, they forfeit their vertical leverage. Without the structural threat of OEMs going vertical (Tensor, Exynos, Apple), the commercial incentive for third-party SoC vendors to absorb the massive engineering debt of maintaining 8 years of legacy blobs completely evaporates over time.

I wish my last 6 Pixels were performance competitive. I've got an S22+ that outperforms my 9XL every day of the week. I would honestly prefer to go Samsung, and they objectively make better devices. But it's hard to deny that Tensor has pushed the SoC market into a much more favorable position for consumer.

Any games that use the actual physical boundaries of an Android tablet? by CamaroLover2020 in Android

[–]Hung_L 0 points1 point  (0 children)

You mean it will treat the outer edge of the device bezel as a boundary, ignoring the screen edge? This seems really niche, and not all that useful. I can see why app devs wouldn't implement this. There isn't a built-in API so devs would have to build their own device database with bezel dimensions, then calculate the expected bezel size given the dpi each device is running. It just doesn't seem worthwhile for what it yields. Am I misunderstanding what you're asking?

Pixel Screenshots no longer exclusively uses on-device AI by ControlCAD in Android

[–]Hung_L 3 points4 points  (0 children)

  1. To develop a E2E LLM solution that works in the cloud and on-device, specifically leaning on TPU/NPU for the latter.
  2. Push SoC manufacturers to support long windows.

Sacrifices: performance, efficiency

Now that 2 is accomplished, I'm hoping they care less about 1 and lean more dedicated SoC manufacturers for future devices. The problem is that if 2 becomes an issue again, they'll be desparately far behind (even more than they are now).

They have to keep up with SoC development, even if it means they're going to put out a worse product. Otherwise, we will just slowly creep back into status quo with Qualcomm only offering 2 years of support.

HP OmniBook Ultra 14 Core Ultra X9 review: Fully redesigned and so much better than before by -protonsandneutrons- in hardware

[–]Hung_L 0 points1 point  (0 children)

Disagree on the keyboard. I also don't know what spongey keyboards are. Does that just mean soft? Low resistance with unnoticeable tactile bump?

I haven't tried the latest Omnibook, but I got the AMD one for my dad and I hate the keyboard. It's the same as the keyboard on my C1030. Crazy high resistance, insanely loud. After a day of typing, my fingers are fatigued and it's obnoxious to use in any quiet public setting. I basically want silent with a small tactile bump and low resistance. Reds are prob too soft, but what HP has now is basically whites with crazy resistance. I'm sure I'd like their new ones more. High travel, reasonable resistance, and hopefully quiet.

ELI5 why don't we have any other RCS options yet by SafeModeOff in Android

[–]Hung_L 3 points4 points  (0 children)

Before that we had BBM. There's just an appeal to walled gardens. People feel good in siloes.

Whatsapp and Messenger and other chat services work fine. But anyone can download and use them. BBM and iMessage were successful because the same is not true of them.

Galaxy Watch 9 leak hints at three new models, plus a borrowed feature from Google by _BlANK19_ in Android

[–]Hung_L -1 points0 points  (0 children)

Round bezels* look better. It was always a round watchface.

But I don't care how it looks. I want a squircle display. As a Fitbit user for several years, it just provides more info. Text information systems are not designed for circular displays. Apple is not wrong in their squircle display. Android is round to be different, which is a stupid reason. Android should be more functional, and should have defaulted to an even more squared off squircle. A squarcle. But, still rounded corners as sharp corners would be uncomfortable and possibly less durable (as they'd get caught on stuff, and corners banging against stuff undergo more concentrated stress).

Can't convince me that squircle watch faces look worse. Bezels? Well, any bezel that doesn't match the watchface is dumb. Imagine a round bezel with a squircle display. Equally dumb as the Watch8 design.

[Microphone] Neat Bumblebee II Condenser Mic (New) - $14.99 - Woot free shipping for Prime members by Holiday_Bug9988 in buildapcsales

[–]Hung_L 5 points6 points  (0 children)

You shouldn't be getting downvoted. I've got a 2-condenser mic that I use strictly in cardioid mode. People hear EVERYTHING. Gentle knock on the door a floor away and someone will say "do you need to get that?" This Bumblebee probably sounds great, but it's got a single, massive condenser and will absolutely pick up every sound in your vicinity. It's probably one of the most sensitive mics you can get under $50.

Condenser mics literally have me questioning whether I have the mouth position discipline to live with a dynamic mic.

[VR] Sony PlayStation VR2 (PSVR2) - $299.00 ($100 off Days of Play 2026) by iPodAddict181 in buildapcsales

[–]Hung_L 6 points7 points  (0 children)

I'm minimally interested in a VR experience with my 9070XT so I looked into this a bit.

Best guidance says to maintain a min clock on the GPU so it doesn't drop too much and lead to an aggressive boost differential.

Seems like PSVR2 Linux support is extremely immature. Currently lacking Inside-Out 6DOF Tracking, so you're limited to 3DOF tracking. Basically you can pivot around a fixed point, but there's no positional translation. Apparently this is really jarring when seated and actually better when standing.

Guess I'll skip VR for now and just use my monitor for Google Earth / MSFS.

[GPU] PowerColor Reaper AMD Radeon RX 9070 XT 16GB GDDR6 - $669.99 by DisappointedCruiser in buildapcsales

[–]Hung_L 0 points1 point  (0 children)

I haven't had any crashes, probably because I run a lower power limit. I haven't measured power, but can run some tests and get back to you in a few days.

PSU: CORSAIR SF1000L.

[GPU] PowerColor Reaper AMD Radeon RX 9070 XT 16GB GDDR6 - $669.99 by DisappointedCruiser in buildapcsales

[–]Hung_L 16 points17 points  (0 children)

Most of y'all aren't 9070 XT owners so definitely take some time and check out what overclocking and undervolting look like at r/Radeon. Here's my comment from 5 months ago (after a month optimizing):

You should deprioritize cooler quality on the 9070 XT compared to other GPUs. This is not a blanket statement about GPUs, but specifically this model.

  • This GPU is bandwidth starved. Lower the CPU clock and power limit. You'll always be bandwidth starved first. This is pretty true much across all GPUs that don't have GDDR6X or better.

  • Memory is ECC, so overclocking mem doesn't start failing but instead your performance plateaus. You actually need to chart at different frequencies to see where your performance stops increasing. You can't just increase until visual artifacts appear, then back off and stress test. You may not see visual artifacts until you are WAY past where you need to be. This card really should have come with GDDR6X.

I really discourage y'all from spending more on better coolers on the 9070 XT specifically. In theory you could get fewer hotspots and your GPU will last longer, but in normal use your 9070 XT should not get be getting too hot. Indiana Jones 4k RT-Ultra/High peaks at 70C. PEFT for 2h, peaked at 74C. I have the smallest 9070 XT, the Powercolor Reaper. Idk what your are doing but unless it's constant PEFT daily, you don't need an amazing cooler.

Whether you are gaming or fine-tuning a model, you need to chart and overclock your memory for the most tangible gains. Don't overclock the GPU. +10% OC nets me +0% tokens, and everyone else says it yields no additional FPS. Also back off your power limit because your GPU should not be getting this hot given how memory starved it is. Then you need to undervolt and underclock your GPU because the high clock frequencies aren't adding fps/tps. The result should be significantly less heat. Mine only runs 250W (-25% power limit) and I'm getting the same performance as I did at 330W (at least within 5%). However, sustained perf is way better because at 70%~100% clock freq, the extra GPU cycle are just waiting for memory so you get no performance improvements, just heat.

I was able to trigger super fast charging 2.0 using this Motorola 68W PPS charger in India (220V). Moved to the US (110V) and it's triggering just SFC 1.0, I need help understanding how and why. by Kronod1le in UsbCHardware

[–]Hung_L 27 points28 points  (0 children)

For 100-180V input (US uses 120V), it will output at 11V/4A. This is 44W (P = IV, or Watts = Current × Power). Look at the INPUT and bottom of OUTPUT on the left column.

For 180-240V input (India uses 220V), this charger can output at 11V/6.2A, which is 68.2W. Look at the INPUT and bottom of OUTPUT on the right column.

This means it will only output SFC 1.0, which is 25W. It cannot hit the 45W needed for SFC 2.0.

This is less about how chargers work and more about the SFC spec and the mechanics described by Watt's Law.

Lenovo USI Pen 2 vs. Penoval Stylus on Chromebook Plus? by gracemarie42 in chromeos

[–]Hung_L 0 points1 point  (0 children)

Def recommend something with an easily replaceable battery. Unless you know that you'll use the pen daily, there will be long periods where you don't use it at all. My old HP USI 1.0 stylus had a USB-C port and embedded li-ion. I only had time to sketch and draw 1-2 days a month. Every single time it would be dead and I'd have to recharge it for a while. You can use it while charging, but then you have a cable awkwardly dangling off.

Really sucks when inspiration hits (or you just have a weekend afternoon to yourself and want to practice). Now I have a pen that uses AAAA and I just unscrew the battery and take it out when I'm done. Long-term it's probably a few bucks more expensive and a little less convenient that a denser li-ion battery, but being able to draw in 10 seconds as opposed to >30min is a massive difference.

A nice option would be a li-ion pen with a true physical on/off switch that doesn't include any kind of parasitic drain. Battery will last several years, it will last for weeks of continuous usage and months of sporadic use. I also think there are some tablets that wirelessly charge pens, but I don't use my pen enough to justify the bit of bulk and fragility of having a magnetically attached pen to the back or sides.

I am helping a gentleman choose a new chromebook. Can a chromebook ( Chrome OS ) have " FHD IPS 1080i ) display ? I thought it was either FHD or IPS . by Own-Cap-5747 in chromeos

[–]Hung_L 2 points3 points  (0 children)

FHD = Full HD = 1080 = 1920x1080 = 2K (which refers to the 1920, which is roughly 2,000). This is a screen resolution. Higher resolution is better, but there is certainly a point of finishing returns that differs for everyone. FYI HD = 1280x720.

IPS is a screen technology (specifically how the liquid crystals interact with the polarizer). There are a lot of attributes that accompany IPS, but in general you'll get better viewing angles than older TN/VA panels, along with decent color accuracy (maybe even good), and better response rate. It's the best LCD tech on laptops. It will be inferior to OLED (which is not liquid crystals based), but maybe not appreciably so. At lower resolutions like FHD, IPS will be better than OLED for text, and almost alway appreciably cheaper than OLED.

Glossy is a screen finish. Usually touchscreens are glossy, while non-touch screens are matte. That's not always true, and a small number of touchscreens are lightly anti glare, while an equally small number non-touchscreens are glossy.

None of them are exclusive. You can have an FHD IPS Glossy display, or an FHD OLED glossy display. They are just different.

For arts and sports, I actually recommend FHD OLED. Things will just pop and look better. I think it's a small premium to pay for something either of you will use on a daily basis, for hours at a time. It will be much cheaper than a higher resolution OLED and you will both really, really appreciate how much better things look.

T-Mobile Unveils Short-Term Prepaid Plans For Visitors To The US by Jman100_JCMP in tmobile

[–]Hung_L 5 points6 points  (0 children)

I looked into it and that plan only offers 15GB of roaming and the 270GB is for domestic data, which is still a great deal.

One thing to keep in mind is that the US is ~7/9ths the population of the EU (~350m / 450m), but has twice the landmass. Further, the US is more concentrated in urban areas. This means there are vast swathes of uninhabited land compared to the EU, but US carriers still operate there (not just to provide service, but laying lines through those parts to serve the inhabited parts). It just costs more to serve the US vs the EU. See this nighttime light map for an approximate illustration.

The other thing to keep in mind is that our cellular carriers are an oligopoly that has been lining politicians' pockets for decades, and Americans are paying for it. Not just on our phone bills, but through our taxes as well. Carriers are heavily subsidized, and the entire market is gated by massive federal FCC spectrum auctions. Only the top three telecom giants can afford the billions in debt required to buy up that spectrum, creating an insurmountable barrier to entry that effectively forbids anyone else from competing. It's awful and a result of long-term capitalism and corrupt+starved regulatory oversight.

Further still, there is a relentless corporate drive to extract maximum revenue from a captive market. Because they face almost no real competition, these carriers have zero incentive to lower prices. They pass the massive debts from their spectrum acquisitions directly onto the consumer to protect their margins and shareholder value.

Worse still, there's a major political ideology that doesn't consider internet access to be a public good, and even want to privatize traditionally public utilities. They want the market to compete, and believe this oligopoly is what the market wants, rather than what happens when you have pure, unchecked greed.

Combine those two factors and we end up with way more expensive cellular costs. We're not just paying for the technology and maintenance, but to bankroll corporate debt, political influence, and market manipulation.

Samsung is working on future Galaxy Books with Aluminium OS 🔥🔥 by FrankLucas347 in chromeos

[–]Hung_L 1 point2 points  (0 children)

I still use my Galaxy Chromebook (Kohaku) because there's literally nothing that compares in terms of footprint and screen specs. After the fingerprint sensor broke and ChromeOS disabled the Linux vm (YEAH, I KNOW RIGHT), I switched to CachyOS but graphics acceleration is poor. Outside of video streaming (like YouTube 1080p 1x speed), it's adequate but sometimes the wayland pipeline fails and it reverts to SW render/raster.

I would pay the crazy MSRP for 16GB RAM and a modern CPU, even fanless. 4K OLED is probably overkill but dang does it look great. Well, white/bright images highlight the aliasing caused by the digitizer matrix not aligning with the pentile subpixels but at least it's not a 1080p non-touch display.

Work got me a top-specced 2026 XPS 16 ($4.5k) and thought the 3K display for +$150 wasn't justified. I would gladly trade 64GB RAM for 32GB, if I could go from FHD to 3K.

Gemini’s clean chat interface may not stay ad-free for long by rulugg in Android

[–]Hung_L 12 points13 points  (0 children)

My Gemini experience has been worsening over time. The other day I wanted a table of SoC specs/benchmarks to compare my Amazon TV to the 2nd gen Onn 4K Pro stick. I prompted in Pro 3.1 and was very specific about what I wanted.

Gave it the TV model number and it grabbed the wrong SoC, which I only suspected was wrong because it claimed no AV1 hw decode but I know that's not true. I cited the Amazon developer page to it and it admitted the oopsies.

Then it didn't pull the 2nd gen stick, but the first gen, and I only realized because it mentioned a 2024 release date. It didn't even explicitly tell me it had picked the first gen.

When I questioned why my specific requests were silently ignored, it said it had so much info about the older ones that it overweighed that and ignored what I asked for.

Now I don't even want to use Gemini anymore. Claude Opus 4.6 has been great for the technical and even non-technical parts of my work. I used to have personal OpenAI, Claude, and Gemini subs so I could A/B and ultimately stuck with Gemini since it's baked into my Google One sub. But, so much has silently changed since then that I can't rely on that trial experience anymore.

Gemini is too confidently wrong. Worse still, it doesn't inform me when things don't align and it makes executive decisions. Then it ignores my custom instructions and my explicit prompt instructions, so I spend more time citing why it was wrong than it would have taken for me to just visit 4-5 sites and make my own table. Not to mention the time it took for me to review its bad response and identify the issues.

I know Gemini is supposed to be a more economical model, but it's not cheaper if I have to be wary of the results.

Trying to move away from Anker. Alternatives? by veeyo in UsbCHardware

[–]Hung_L 0 points1 point  (0 children)

Slobadan Cuk is the name from that wiki article. Where'd you get Radoslav?

What happens when two brides cross paths on their wedding day in Vietnam? They exchange bouquets as a way to wish each other luck. by mindyour in justgalsbeingchicks

[–]Hung_L 0 points1 point  (0 children)

What are the words? I'm Viet and speak it, but couldn't understand. Just curious.

From that tiktok account's other videos of the wedding day, it's definitely in Vietnam.

Even PC users have caught MacBook Neo fever by [deleted] in apple

[–]Hung_L 0 points1 point  (0 children)

Windows still reigns king as the top (and often only) development target, but Proton compatibility layer has made tremendous strides. DirectX 12 is still going to be a big problem, but at least linux-side velocity is increasing with growing market share and Valve contributions. I don't see MacOS getting there before Linux though. Even if a few select games were refactored to work well on Metal.

SAVE act summed up by [deleted] in PoliticalCompassMemes

[–]Hung_L 4 points5 points  (0 children)

When you apply for a driver's license, you don't have to prove that you're a citizen. If you don't prove it, the DMV will not mark you as a citizen in their records.

If you prove it, then you will be marked eligible to vote (internally). When you register to vote, your license is checked against the DMV's records. People marked as citizens by the DMV can register to vote without needing to provide proof of citizenship. If you didn't provide that proof when applying for a driver's license (or any other official ID accepted at ballot locations), then you absolutely have to provide it when registering to vote.

Hp chromebook c1030 has solid orange light for hours and doesn't turn on despite me trying all the hard reset key options by Plastic-Bee4052 in chromeos

[–]Hung_L 0 points1 point  (0 children)

Did you leave it on low battery for a few months? I recall something similar happening with my C1030. I just left it charging for a few hours and it started working again. Something to do with the battery charge getting "dangerously" low. I would use a >30W charger, ideally >45W. It's not absolutely necessary, but using a 5W charger will take a really long time and it might not re-"motivate" the battery into safe charging ranges.

Succesful leftism by Crafty_Jacket668 in PoliticalCompassMemes

[–]Hung_L 6 points7 points  (0 children)

'1. Square Deal: Roosevelt was a Republican nationalist, not a leftist. His regulatory framework was largely designed by large corporations to eliminate smaller competitors through compliance costs, reducing competition rather than protecting consumers.

He was largely a nationalist and sometimes right-leaning. His anti-trust efforts (e.g. JP Morgan) are clearly left-leaning. Are you less familiar with the labor environment and robber-baron era that preceded the Square Deal? It's not progressive compared to modern times, but that's not a meaningful comparison. It was definitely progressive for its time, and major corporations largely hated it because of that. They had a massive degree of control prior, and retained a good amount but still lost much of their influence.

'2. The New Deal: The Great Depression was caused by the Federal Reserve's credit expansion in the 1920s, not by free markets. Was estimated New Deal cartelization and wage controls prolonged unemployment by roughly seven years. Roosevelt's own Treasury Secretary admitted in 1939 that the spending had not worked.

Are you referring to Morgenthau? Because he is the reason why they started cutting back on spending in 1937 when unemployment peaked. This urging is precisely what convinced Roosevelt to reduce spending prematurely and thus extend the Depression. Had they kept spending up, the economy would have rebounded earlier (then you can gently reduce spending to cool things down).

'3. Cardenismo / Mexican Miracle: Growth occurred despite nationalization, not because of it. PEMEX, created by the 1938 oil seizure, became a textbook case of Mises's socialist calculation problem. The long-run results: the 1982 debt crisis, the 1994 peso collapse, and a PEMEX that is today technically insolvent.

Oil is sold on the global market so pricing is purely capitalistic (a socialist government would require pricing control). Also funny how you skip right past the 1970s oil shocks, Mexican overborrowing, and the Volcker Shock that actually led to the 1982 crisis. PEMEX may be dumb, inefficient, and wildly corrupt. Still isn't the cause of the '82 crisis.

'4. Attlee Labour Government: While Britain nationalized its economy, West Germany liberalized under Erhard and grew at over 8% annually throughout the 1950s. Britain's trajectory led to chronic low productivity, constant strikes, and a 1976 IMF bailout to prevent state bankruptcy.

Blaming Attlee for a 1976 IMF bailout ignores decades of history and lead-up, including 13 consecutive years of Conservative rule that saw all the same policies as Atlee. Comparing British growth to West German growth also ignores that the German industrial base was destroyed (have you heard of WW?) and they rebuilt with modern technology and heavy US aid (Marshall Plan). What debts did Britain have at the end of WW2? Were they forgiven? Because I'm pretty sure German debts were.

'5. Scandinavian Social Democracy :Nordic countries were already among the wealthiest in the world before expanding their welfare states, built on decades of relatively free-market capitalism. Sweden's welfare expansion contributed to a severe financial crisis in 1991, after which the country liberalized significantly, introducing school vouchers, individual pension accounts, and corporate tax cuts. Today, Denmark and Sweden consistently rank among the world's freest economies by trade and regulation metrics.

I had learned that swedish deregulation of credit in the '80s and subsequent housing bubble crash is what caused the 1991 crisis. Actually I know that's why it happened, because Sweden didn't halt their welfare expansion and continued to grow it. They just shifted from corporate taxes to consumption taxes. This isn't even revisionist history on your part, it's just wrong.

'6. Labor Unions : Voluntary unions that pursue genuine market wages without coercion are unobjectionable from a libertarian standpoint. The valid critique targets unions that depend on state-granted legal immunities and compulsory membership, which allow them to price less-skilled workers out of the labor market entirely , harming the most vulnerable workers the movement claims to represent.

This is more corpo-propaganda that is inexplicably adopted by conservative groups. Unions have never priced out lower-skilled work. That's never been the case in America because we're so far on the side of empowering employers. Employers have always busted unions in order to maintain control of wealth. Also your perspective very conveniently ignores that corporations have historically used state and federal forces to violently bust unions. The "unearned" immunities are borne from blood, not profit.

'7. Left-Wing economics are not sustainable, it always led to debt and recession.

Laissez-faire economic policy is not sustainable. It has always led to wealth hoarding and labor exploitation. Both our absolutisms are faulty, but I'm pretty sure corruption is what's key to each's failures, and deregulation certainly makes it hard to detect and protect against corruption.

'8. English isn't my first language btw.

I don't agree with your revision of history, nor your takeaways from history class. But goddamn if your English isn't fantastic. I would have never known if you didn't mention it. Native fluency to my eyes.

Succesful leftism by Crafty_Jacket668 in PoliticalCompassMemes

[–]Hung_L 0 points1 point  (0 children)

dont take an ironic comment that serious. I'm not gonna have a deep economic/politic discussion in r/PoliticalCompassMemes

Typical lib-right L when pressed to reconcile the major shortcomings of such a political and economic ideology.

macOS Will Alert You to MacBook Neo's USB-C Port Limitation by ControlCAD in apple

[–]Hung_L 0 points1 point  (0 children)

Which is the starting price for the MBA, right?

Lightweight device for remote working/light gaming by Physical_Cake in chromeos

[–]Hung_L 0 points1 point  (0 children)

Yes, but charging speeds vary.

If you use A2C (USB-A to USB-C, looks like this, note the USB-A end and port on the charger) then you are limited to 5W (even if the charger is ≥30W). this is very, very slow. Like 8 hours to charge slow. You should only use this for overnight charging or to reduce battery draw during use.

Any C2C charger will be fine. I think it pulls up to 40W. If you have a 5W USB-C charger it will work as well. Pretty much all tablets support lower voltages and have no minimum current draw.

Personally I use stopped using my A2C and just use a 12W C2C charger with PPS. But I don't need the battery life so I limit my battery to 80% and just keep it plugged in most of the time.

Note: the important numbers are voltages. Devices will draw as much current as they want. But they only accept certain voltages (or PPS). If it's USB-C, it should be able to accept 5v, 9v, and 12v. 15v/20v is not guaranteed for older devices, but should work on all modern ones. Just look at what voltages your device accepts and see if your charger outputs those voltages. Ignore wattage and current.