The GDDR5 is actually high bandwidth, but also high latency (relative to DDR3). However, bandwidth is a lot more important in a gaming situation since you're almost always bandwidth capped. Latency is only really important if you're significantly below your bandwidth cap.In this case stronger on paper means pretty much everything because the hardware in the Xbox One and the PS4 is practically the same. The PS4 just has a straight up more power GPU (50% more stream processors) and lower latency RAM. Their CPUs are practically identical. If the XOne's OS is taking 2 cores away and 3 gigs of RAM then they are making that gap even larger.
This isn't some Cell vs. Xenon debate like back last gen. The PS4 and XBox one are built using the same core technologies. The biggest difference is that the XOne went with DDR3 ram and 32 mbs of ESRAM to make up for the lower latency and Sony went for GDDR5 ram which is DDR3 ram tuned for latency so they didn't need some cash of low-latency ram.
This is pretty clear. The PS4 is going to be clearly and noticeably more powerful throughout the next generation. We'll really start seeing the difference in a year or two.
Wasdie
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