According to tech powerup you are looking at 70% improvement. Power draw not sure on the 7900xt but my 7900xtx likes a sip. unleashed. 450watts worth at full pelt. Obviously this is worst case. They can easily be tamed in the drivers. There is plenty of under volting to be done or you can set a max frequency which is what I do for some games, and it won’t go above 200 watts. You can also set a negative offset in the drivers.Looking to buy a 7900 XT, coming from a 3070. In terms of performance and power draw, what can I expect? I know it's more powerful but this will be my first time using a AMD graphics card since I had a 470, been 1070ti and 3070 since then. Are there any optomizations I should be doing? I've seen mention of undervolting.
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