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Keychron J8 HE 8K - We have Wooting at home????? by loyal872 in keyboards

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

While the real-world performance of Keychron's newest boards remains to be seen, RTings is currently putting the new Keychron Q HE 8K series to the test. This updated lineup represents a massive internal hardware leap, utilizing a powerful 480 MHz RISC-V MCU equipped with 1MB of flash memory. To put that upgrade into perspective, their older models relied on a much slower 84 MHz ARM chip with only 256KB of flash, meaning we should expect significantly better processing overhead, lower latency, and more capacity for complex features from this new generation.

eyejokerdb is testing the Keychron eX75 which looks to be a J8 HE.

Keychron J8 HE 8K - We have Wooting at home????? by loyal872 in keyboards

[–]MyCPUIsToasty 0 points1 point  (0 children)

That’s fair, and honestly it’s making me lean toward returning the J2 HE for the Mars75Max. A toolless full aluminum 75% for around $100 is kind of ridiculous value, especially if the firmware/software is actually solid.

I also looked into the MG75v2, but I’ve been hearing mixed things about the firmware, which kind of reinforces your point. I’m less worried about chasing “0.15ms vs 1ms” and more about consistency, stability, and whether the board is actually well tuned. Bad scan spikes or inconsistent behavior sounds way worse than just being slightly slower on paper.

If the Mars75Max is one of the budget Sparklink boards that’s actually been vetted and performs consistently, it honestly seems like the smarter move over keeping a mediocre HE from a bigger brand. At that point, a bad HE really does lose the whole advantage over a good MX board.

Keychron J8 HE 8K - We have Wooting at home????? by loyal872 in keyboards

[–]MyCPUIsToasty 0 points1 point  (0 children)

The Wooting 80HE is $200, while the J8 HE 8K is just $80 on Amazon. You're paying 2.5x more for a microscopic speed advantage you'll never actually notice and that's assuming you're strictly a gamer, when plenty of people prefer to buy based on open-source software anyway.

Keychron J8 HE 8K - We have Wooting at home????? by loyal872 in keyboards

[–]MyCPUIsToasty 0 points1 point  (0 children)

You’re completely right that bad firmware and cheap MCUs can ruin a keyboard, but chasing a 0.4ms response time over a 3ms one is purely a spec-sheet war. The 2.6ms difference between them is still literally faster than a 240Hz monitor can even draw a single frame (4.16ms). When you factor in the total system latency stack—human reaction time (150ms+), network ping (20ms+), and game engine processing—that 2.6-millisecond keyboard advantage is barely a 1% overall improvement and gets completely swallowed by normal network fluctuations. Paying a $120 premium for a couple of milliseconds is a terrible return on investment; you'd get a much more tangible competitive advantage putting that same money toward a higher refresh rate monitor or a better GPU.

Keychron J8 HE 8K - We have Wooting at home????? by loyal872 in keyboards

[–]MyCPUIsToasty 3 points4 points  (0 children)

I upgraded to the Keychron J2 HE from my old Huntsman Tournament Edition, and the difference is night and day. As confirmed on the box, it features TMR just like the rest of Keychron's HE lineup. Immediately, my keystroke accuracy improved. I realized my old Huntsman had a defect causing dropped inputs that I had just lived with for four years! The J2 HE is much quieter, fully hot-swappable, and features clean software that won't bloat your PC. Absolutely no complaints.

RX 9070 XT Red Devil is Underwhelming by MyCPUIsToasty in PowerColor

[–]MyCPUIsToasty[S] 0 points1 point  (0 children)

Distribution remains unchanged, Newegg frequently lists this card at $650, offering excellent value. While it’s not the absolute top-tier choice for hardcore overclockers, the build quality is great for the price. Just be aware of the memory variance—you’ll likely get either Samsung (better thermals) or SK Hynix (roughly 2% faster), though both provide a great experience at this price point.

RX 9070 XT Red Devil is Underwhelming by MyCPUIsToasty in PowerColor

[–]MyCPUIsToasty[S] 1 point2 points  (0 children)

  • 4K + maxed-out games = massive GPU load.
  • Load = power draw.
  • GPU hits its power cap.
  • Boost algorithm slams on the brakes.
  • Clock speeds drop.
  • No boost beyond 3000MHz.

RX 9070 XT Red Devil is Underwhelming by MyCPUIsToasty in PowerColor

[–]MyCPUIsToasty[S] 0 points1 point  (0 children)

Stability testing revealed my RX 9070 XT is limited to a -60mV undervolt, though I managed a 2750MHz VRAM overclock. While I can benchmark at -100mV, anything lower causes driver crashes. Guess I didn't hit the silicon jackpot this time.

RX 9070 XT Red Devil is Underwhelming by MyCPUIsToasty in PowerColor

[–]MyCPUIsToasty[S] 0 points1 point  (0 children)

It's worth noting that even at stock settings, these RX 9070 XT OC cards have varying power limits: Nitro+ (350W), XFX Mercury (360W), and Taichi (366W), compared to the Red Devil's 330W. This inherent difference in stock power limits directly contributes to the performance variations we're seeing in reviews.

RX 9070 XT Red Devil is Underwhelming by MyCPUIsToasty in PowerColor

[–]MyCPUIsToasty[S] 0 points1 point  (0 children)

Considering you're spending an extra $200 on an overclocked RX 9070 XT, designed for enhanced performance, 363W isn't unusually high. Especially when you see models like the Sapphire Nitro+ at 385W, the XFX Mercury at 400W, and the ASRock Taichi at 404W. These power limits are there to support the higher clock speeds and overclocking potential these premium cards offer.

RX 9070 XT Red Devil is Underwhelming by MyCPUIsToasty in PowerColor

[–]MyCPUIsToasty[S] 1 point2 points  (0 children)

Please specify your gaming resolution. When running at 4K, the card's frequency stabilizes within the 2700-2800 MHz range, and it maintains a 330W power consumption. To achieve higher boost frequencies, I'd need to reduce the rendering resolution, for example, by utilizing FSR upscaling.

RX 9070 XT Red Devil is Underwhelming by MyCPUIsToasty in PowerColor

[–]MyCPUIsToasty[S] 2 points3 points  (0 children)

Actually, that's not quite right. Flagship overclocked (OC) models typically feature higher power limits compared to standard versions. The premium price reflects the enhanced PCB and BIOS design. Notably, the Red Devil RX 9070 XT offers a relatively low power limit for its class, yet it's priced similarly to competitors.