Recent details we've seen - a part of Sony's recent developer disclosures - seem to tidy up the discrepancies to a certain degree. The standard PS5 features 18 WGP over two shader engines/four shader arrays in a 5-4-5-4 configuration, while the Pro does indeed feature 30 active WGPs over two shader engines/four shader arrays in an 8-7-8-7 set-up. Both consoles, therefore, feature four deactivated CUs - and this is confirmation of 60 CUs in the new machine.
This means that the stated 33.5TF does indeed suggest a slightly lower clock-speed for the GPU in the region of 2.18GHz - which may be the case in general operation, but the new information also reveals that the PlayStation 5 Pro can boost higher than its standard counterpart, to a maximum of 2.35GHz (a theoretical maximum of 36.1TF). However, similar to the original PS5, system performance is limited by a power ceiling, so it's rather rare for the GPU to hit that maximum and only certain games will boost that high. Bearing in mind the surfeit of compute power for standard PlayStation 5 games, we must assume that the slight reduction in general clock speed (just under three percent) likely makes no difference, while the 'ultra boost' mode should instead deliver much more graphics throughput for existing titles.
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