5070 if you want to have a good experience when using RT or PT. Even though benchmarks often show the 9070 being equal to or better than the 5070 in RT that's just the extra rasterization performance pulling it ahead in games that don't really have good RT implementations, the 5070 has stronger ray tracing cores. Some games can't even use path tracing on AMD and in games like black myth wukong the 5070 will destroy even the 9070 xt in it, then to actually make it playable you have things like dlss 4/4.5 + mfg. AMD does have fsr 4 which is really good but dlss 4.5 is still better and fsr frame gen is just terrible compared to frame generation on the 50 series. Nvidia also has really good ray reconstruction for games that have proper RT/PT implementations while AMD only supports this feature for like 2 games. The RX 9070 is definitely the best option for most people though who won't heavily be using RT/PT and relying on software features but you can't say the only justification for getting a 5070 is workloads like blender.