Source: https://wccftech.com/xbox-scarlett-apu-die-shot-analysis-die-size-estimated/
WCCF Tech has estimated the Xbox Series X die size, and it's looking at least possible it will have that rumored 3584 stream processors...
For context, the die size is an estimate but based on the very real die shot that Phil Spencer put on his Twitter account yesterday. So that really is the Xbox Series X processor. The estimate can be off, but not by a whole lot...
After correcting for perspective, they put it at 401mm² - an increase over the 359mm² Project Scorpio die (on 16-nm) in the Xbox One X.
Here is how we get to 3584 shaders:
Xbox Series X on TSMC 7-nm = 401mm²
AMD "Navi 10" (Radeon 5700 XT) with 2560 SPs on TSMC 7-nm = 251mm²
AMD "Zen 2" Chiplet containing 8 cores/16 threads with all L2 and L3 cache, on TSMC 7-nm = 70-78mm²
"Navi 10" + "Zen 2" chiplet = ~330mm²
That leaves roughly about 70mm² leftover. The "Zen 2" chiplet is the CPU cores/cache only, but that "Navi 10" die size does include all of the memory controllers (256-bit anyways) and video decoders/display output logic. That leaves a good 70mm² to play with to get to 401mm². I'm not sure if that's enough to increase the textures and shaders to the rumored 224 TMUs/3584 SPs, but I think it's fairly close.
