Decision making
DLSS vs. FSR and frame generation in the two solution approaches can certainly be argued about, but unfortunately there are hard facts that I have to set as certain exclusion criteria, at least in the living room. At least for this particular air-cooled ITX build in a small space. If we look at the logged power consumption in Ultra HD, there is a total difference of 105 watts between DLSS and FSR for the sum of GPU and CPU! The difference between the most economical NVIDIA variant with DLSS and Frame Generation and the Radeon with FSR is already 115 watts, and if you activate the software solution at AMD, the system with the Radeon consumes over 120 watts more power in freeze mode:
Whereby the GPU’s power consumption of not even 50 watts more is not so significant, at least acoustically, because the Sapphire card has a really good cooler (which, however, already reaches its limits in the vertical direction). However, the noise of the CPU fan is what completely kills me acoustically. The almost 140 watts with FSR are not something you want to have on your ear for more than 5 minutes and I simply didn’t want a significantly larger and therefore heavier cooler. Yes, you can set a limit for the CPU of 90 watts, for example, but then the AMD card is significantly worse and performance drops.
Why the Radeon RX 7900GRE now generates so much more processor load would have to be tested on other systems, e.g. AM5, but it is really frightening and can be reproduced at any time. ASRock had no answer either. I then tried it again on an MSI MEG Z690 Ace and found the same big differences. This means that the RX 7900GRE unfortunately falls through the cracks and the PNY RTX 4070 Super remains in the living room PC. Since this decision not only saves me quite a lot of energy but also around half a kilo in weight (and therefore indirectly also energy, because I often have to carry it around), I don’t really have to think about it for long.
Summary and conclusion
Yes, all the AI supersampling methods now make it possible to play smoothly and relaxed even on a screen with Ultra HD. If you have a perfectly ported block buster to hand, you really have to force yourself to get up again at some point and finish the game. In principle, the upper mid-range is more than enough for this, regardless of whether it’s the GPU or CPU. So it doesn’t always have to be the top shelf if you want to hug the pillar of victory in the game and shoot the grappling hook in its face as a nose ring.
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