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Valve Deckard: Latest leak reveals early specifications of long-awaited Valve Index successor
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this post was submitted on 23 Mar 2025
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Limiting the TDP of the chip is not really a problem considering the ARM chips are not more powerful either. If they can run Beat Saber and other slimmed down PCVR games, it's sufficient.
Looking at how many revisions they went through it seems like they came to the conclusion that running x86 on ARM is better than running x86 directly with a TDP limited chip.
Hopefully we will find out later this year.
ETA Prime tried running the 395 at lower TDPs, and the result was that it lost most of its performance advantage: https://m.youtube.com/watch?v=r8JpqfqBpvQ
Which really shouldn't be too surprising, I guess--all those CUs need power.
I do think power requirements for this level of performance will keep dropping over the next several years, but it doesn't seem like it's quite within the necessary power envelope at this point.