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Pemalite said:
sc94597 said:

3. This allows Switch 2 to maximize efficiency in handheld mode for longer battery life while retaining graphical effects without losing much perceived image quality or performance. 

Using those Tensor cores comes at a cost of power.
There is no "extra efficiency" or battery life.

The GPU core is still pegged at 100%, with extra processing required to bolster resolution/upscaling.

What it's enabling is higher visual fidelity.

Nearly all evidence we've seen is that DLSS doesn't fully utilize tensor cores 100% of the time. Instead you see a spiking utilization pattern where most of the time utilization is low and then, when needed, it spikes up to double digits (high single digits on a 4090, but obviously the Switch 2 isn't comparable there), which is consistent with what we see when we run comparable DL models in other work loads. 

The GPU might be fully-utilized in this case, as resources are re-allocated to improve other parts of the graphics pipeline when saved from running at the higher resolution, or the developer could just under-clock the GPU for better battery life, as they do in lighter-weight games or as we see on PC handhelds when selecting power limits. 

Last edited by sc94597 - on 22 April 2025