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disolitude on 26 June 2013
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ethomaz said:

disolitude said:

I am not sure what you think my OP is stating.  I'm just saying that Xbox One would not be much more powerful with GDDR5 RAM due to specific APU design and lower GPU power compared to PS4.

I am not sure why everyone thinks I'm saying DDR3 > GDDR5 or X1 > PS4... I'm clearly not saying that.

I really wasn't expecting such a shitstorm, just wanted to end the posts saying..."If Xbox One used GDDR5 RAM it would be much more powerful". It really wouldn't. 2133 MHz DDR3 + sRAM is plenty for the 33% lower spec'd GPU in the X1.

The APU design used by MS can be debatable but even a low-end GPU using GDDR5 to increase the bandwidth almost double the GPU performance... AMD words... not mine.

That is because those "lower powered" GPUs that come in both DDR3 and GDDR5 (like HD 6670) use 128 bit bus and 1600 mhz DDR3 RAM.

X1 uses 2133 Mhz RAM and 256 bus. So more than double the speed (and then some) of those cards AMD is referencing... + SRAM embed and other tweaks to the infrastructure.