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numberwang said:

Taking a look at Nivida Orin T234: https://gadgetversus.com/graphics-card/nvidia-tegra-orin-t234-gpu-specs/
2048 Cuda cores
GPU base clock 768 MHz
GPU boost clock 1.000 MHz
TDP 50W
4000 Tflops
Samsung 8nm

Nintendo's T239 is rumored to have:
1,536 Cuda cores (75%)
unknown clocks
4-12W range
Samsung 8nm

Now the only way to get that working is either a reduction of cuda cores or very low clocks. I think we could get something around 570MHz docked which would be 4000*0,75*0,57 = 1.7 Tflops at 11W guesstimated. In mobile mode we might be looking at 330 MHz so 4000*0,75*0,33 = 1 Tflop at maybe 5W.

To keep backwards compatibility with the OG Switch, the frequency will not go below 307mhz portable and 768mhz docked.

For some games 、gpu runs 460mhz when portable.