Dave_at_Home
Member
It's not really overclocked in the traditional sense. In The Road to PS5, Cerny talked about finding the perfect thermal equilibrium between the CPU and GPU. The PS5 has no problem hitting both clock speeds at the same time. Remember it's always fluctuating per-frame. He also mentioned the GPU is actually able to be clocked much higher but would cause logic issues (transistors flipping too fast causing 0 to be 1 or 1 to be 0).It's not a commercial gpu so technically you are right, but they definitely still have a max clock rate coming out of manufacturing and they could have decided to push those limits.
It's still strange the narrative of Sony boosting clocks last minute still lurking around. It took Sony two years developing the liquid metal for PS5. 36 (active) compute units and hitting the highest clock speeds was always on the table. From that point you focus on reducing GPU stalls and any other latency across the whole system. PS5 clearly has lots of custom cache systems at work. Smartshift, GPU cache scrubbers, the entire I/O block, probably some tweaks on CPU cache (unified?), incredibly fast data fed to RAM, is why it punches above its weight class. Maybe Series X has the edge (a very slight one), but the PS5 seems, pound for pound, more efficient.