Looking at the advantages, the 7800xt has:
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10% lower price
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4 more gigs of vram
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6% better raster performance.
The 4070 has:
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Better frame gen
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Better upscaling via dlss
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Better drivers
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Better rt performance
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CUDA for the few people that actually need it.
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Better power efficiency.
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The ability to use both dlss and fsr. If a game just has dlss, amd users are screwed.
All in all I think the AMD card is still the underdog based in advantages and needs to be at least 15% cheaper in order to sway buyers to team red. For just a $50 price difference, the team green advantages are too stacked imo.
Edit: this is of course in the US market. Every market is different.
Aka “AI use cases” = massive growth market (growth in use case).
Not everyone “needs” AI, but it’s great to have the capability.
Note: I’m long-time team-red fan & finally after wasting better part of a year on high-end AMD cards (vega64 liquid cooled, other variant cards w/32gb vram, etc) & never getting them to: A) work at all … or B) perform like crap w/rocm.