Quote:
Originally Posted by asdfpic  yeah the main thing i saw was the way bigger amount of dedicated memory, but what threw me off was the memorcy clock and memory bandwidth
BFG:
Memory Clock 1450MHz (vs. 1400MHz standard)
Memory Bandwidth 23.2GB/sec.
ATI:
Memory Clock : 800 MHz
Memory Bandwidth : 8 GB/sec
haha anyway, thanks everyone |
The ATI Memory Bandwidth makes no sense ...
The 4650 should use a 128-bit bus which, at 800 MHz, would give a Memory bandwidth of:
800*(128/8) = 12800 MB/s (12.8 GB/s)
Even if, for some bizarre reason, the manufacturer opted to use a 64-bit memory bus, the memory bandwidth would be:
800*(64/8) = 6400 MB/s (6.4 GB/s)
8 GB/s w/ 800 MHz memory would be impossible ...
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