this post was submitted on 07 Sep 2026
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Well, thermal performance in terms of silicon temperature is going to vary based on the heatsink of the card you get.
That’s going to be irrelevant to the heat introduced into the room - a larger heatsink will bring down silicon temperature, but you’re still moving the same amount of thermal energy.
What you are actually interested in is power efficiency, which is also missing from the article.
Based on average cards / without overclock: 5070 uses 250W 5070Ti is up to 300W 9070XT is around 305W
It stands to reason that a 9070XT will heat up your room more than the weaker 5070, but about the same as a comparable 5070Ti
I was shopping around for cards relatively recently so I have looked up some data on power consumption of these cards. 9070xts that rival 5070 tis are typically OC models in 350W territory. However these numbers aren't all that useful as they are only maximums. Real consumption will vary heavily from game to game and even setting to setting. For example in cyberpunk at 1440p with almost max settings with RT (but no path tracing) my 5070 ti is showing its consumption to be around 180W, if I turn on DLSS5 it goes to around 250W, still a bit from the 300W limit. I only saw it hitting the limit in furmark, but that is designed to do that. I'd expect similar behaviour from other cards, including AMD.