| TheRealMafoo said:
The PlayStation 3 has a lot of power. When we started Uncharted we were really ambitious and had no idea what the PS3 would give us. Once we got the first devkits, we realized quickly that we could do everything we had planned to. The three main points for me are the Cell, Blu-Ray and the hard drive. We’ve been using the Cell for pretty much all our systems: rendering, particles, physics simulation, collision detection, animation, AI, decompression, water simulation, etc … and to give you an idea of the power of the PS3, we're using only 30 percent of the Cell processor.
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Any game engine running on a multi-core CPU (basically any modern CPU) is not going to use the CPU to the max. Calculating a frame is a series of processes with dependencies among each other. There's a limit to how much you can parallelize things to the point of getting near the peak power of a CPU.
These CPU percentages will keep improving with newer engines, obviously, but not as much as "we're only using 30%" makes it seem.
I think the biggest technical achievement in Uncharted is the fact that there are no loading screens, but that's not something which affects graphics.
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