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Intrinsic on 08 January 2020
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JRPGfan said:

"Next-gen APUs will be in the 300mm2-405mm2 range, up from the 300mm2-360mm2 range of the current-gen chips. "

After Xbox showed off the photo of the chip, people have estimated it to be upwards of 420mm^2.
Supposedly its rumored to have 56 CU's (compute units) (3584 shaders) in the GPU portion.

Sony is only useing 36 CU's but running at higher speeds (smaller chip to save costs), downsize is its not as power effecient to do this.
Sony chip might be like 270mm^2.

Not sure if that alone is enough to account for a 100$ differnce in price, but it could.

There is absolutely nothing to prove nor confirm what sony is going to use with regards to their CU count.

The only thing that the leaks really suggest is that sony had dev kits or engineering samples out there earlier. That's not indicative of final hardware, but just saying that sony wanted devs to be able to get on actual next-gen development earlier and test out other more exotic components of their hardware.

If you ask me, my money would be on the GPU CU count in the PS5 being at something like 40(44) or 44(48). I expect MS to go with a 52(56) layout.

It just makes no sense that there could b such a discrepancy in CU count between the two to the tune of 36(40) and 52(56). Even if Sony is going the higher clocks route. The only way that makes sense is if they are also going the $399 route.

I also expect Sony to go with overall less RAM than whatever MS goes with, so something like 16GB for sony vs 20GB for MS, and sony's reason for this would because they would have the better or faster SSD. I expect Sony to go with faster GDDR6 chips than MS though.