I will be interesting to see how they stack up. At 4K the 4090 is on average 25% - 35% faster than a 4080 (review dependent), so not much room for the 7900 XTX to slot in.
I think the 4090 will be 15% faster than the 7900XTX with it being 10% faster than the 4080.
7900XT 90 to 95% the performance of the 4080.
AIB's +5 to 10% on top of that.
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