Not sure why you think that. It really depends on the performance of the new parts. If they’re (pulling numbers completely out of thin air) 25% faster at the same TDP, then that’s definitely more efficient. At that point it you can just use PBO to tune performance down to whichever power envelope fits your use case
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TDPs the same? Bah! I’m looking at a 7900 build and this would be two generations that cannot match its energy efficiency.
7900x is considerably less power efficient than the 9900x though, performing slower and drawing more power
Look at the idle power draw. The 9900 is higher and the performance is not that much better.
https://www.techpowerup.com/review/amd-ryzen-9-9900x/23.html
Lower power use by the 9900x across the board, idle included. If your focus is lower idle use though, either are clearly not good choices
Hmm you’re right. It looks like it CAN draw more power but under the same load would draw less. How did I make that mistake? Thanks for correcting me.
Not sure why you think that. It really depends on the performance of the new parts. If they’re (pulling numbers completely out of thin air) 25% faster at the same TDP, then that’s definitely more efficient. At that point it you can just use PBO to tune performance down to whichever power envelope fits your use case