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Specifications

Nvidia's GeForce 8800 GTS 512 MB
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There's actually little to know about the GeForce 8800 GTS 512 Mo. It takes back the G92 chip introduced with the renowned 8800 GT, but in a boosted version as it maintains the 128 stream processors of the 8800 GTX. It confirms, by the way, that the G92 isn't limited to the 112 stream processors activated on the 8800 GT. That's not all since clock wise we now see 650 MHz for the GPU and 1625 MHz for the shaders, which is another increase compared to the 8800 GT. Basically, the latter had made the GeForce 8800 GTS 320 MB and 640 MB obsolete and this new 8800 GTS 512 MB brings shame, at least on paper, to the 8800 GTX (17% less efficient) and the 8800 Ultra as well (7% less efficient)!

Main cards' specifications
GPU 8800 GTS 640 8800 GT 512 8800 GTS 512 8800 GTX
GPU Clock 500 MHz 600 MHz 650 MHz 575 MHz
Shaders Clock 1200 MHz 1500 MHz 1625 MHz 1350 MHz
Memory Clock 800 MHz 900 MHz 970 MHz 900 MHz
Width of the Memory Bus 320 bits 256 bits 256 bits 384 bits
Memory type GDDR3 GDDR3 GDDR3 GDDR3
Memory Capacity 640 MB 512 MB 512 MB 768 MB
Number of Pixels/Vertex Pipelines (24) (28) (32) (32)
Number of texturing units 24 56 56 32
Number of ROP 20 16 16 24
Throughput 230.4 GFlops 336 GFlops 416 GFlops 346 GFlops
Memory bandwidth 64 GB/s 57.6 GB/s 62.1 GB/s 86.4 GB/s
Number of transistors 681 millions 754 millions 754 millions 681 millions
Process 0.09µ TSMC 0.065µ TSMC 0.065µ TSMC 0.09µ TSMC
Die's surface 484 mm² 324 mm² 324 mm² 484 mm²
Generation 2007 2007 2007 2006
PureVideo 1 2 2 1

The G92 strikes back, more powerful than ever

Of course, once again memory becomes the decider. On the one hand we have capacity; because the GTX is still equipped with 768 MB whereas the new 8800 GTS comes with only 512 MB Compare Prices on 512 MB GeForce 8800 GTS Video Cards , which is less than the 640 MB of the previous version. On the other hand we have the bandwidth. When the chip's clock reaches 970 MHz it allows it to be on par with the previous 8800 GTS despite the 256 bits bus limitation. The GTX also displays a "third lung" which gives it 39% more bandwidth. Let's see what this means practically.

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