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GeForce 8800 GTS (G92) vs GeForce 8800 GTX

Intro

The GeForce 8800 GTS (G92) comes with a GPU clock speed of 650 MHz, and the 512 MB of GDDR3 memory runs at 970 MHz through a 256-bit bus. It also features 128 SPUs, 64 TAUs, and 16 Raster Operation Units.

Compare those specifications to the GeForce 8800 GTX, which features core speeds of 575 MHz on the GPU, and 900 MHz on the 768 MB of GDDR3 RAM. It features 128 SPUs as well as 64 Texture Address Units and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92) 135 Watts
GeForce 8800 GTX 155 Watts
Difference: 20 Watts (15%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 GTX should in theory be a lot better than the GeForce 8800 GTS (G92) overall. (explain)

GeForce 8800 GTX 86400 MB/sec
GeForce 8800 GTS (G92) 62080 MB/sec
Difference: 24320 (39%)

Texel Rate

The GeForce 8800 GTS (G92) should be a little bit (more or less 13%) more effective at texture filtering than the GeForce 8800 GTX. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 4800 (13%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce 8800 GTX is the winner, by far. (explain)

GeForce 8800 GTX 13800 Mpixels/sec
GeForce 8800 GTS (G92) 10400 Mpixels/sec
Difference: 3400 (33%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

GeForce 8800 GTX

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

Display Specifications

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Model GeForce 8800 GTS (G92) GeForce 8800 GTX
Manufacturer nVidia nVidia
Year Dec 2007 Nov 2006
Code Name G92 G80
Memory 512 MB 768 MB
Core Speed 650 MHz 575 MHz
Memory Speed 1940 MHz 1800 MHz
Power (Max TDP) 135 watts 155 watts
Bandwidth 62080 MB/sec 86400 MB/sec
Texel Rate 41600 Mtexels/sec 36800 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 13800 Mpixels/sec
Unified Shaders 128 128
Texture Mapping Units 64 64
Render Output Units 16 24
Bus Type GDDR3 GDDR3
Bus Width 256-bit 384-bit
Fab Process 65 nm 90 nm
Transistors 754 million 681 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

GeForce 8800 GTX

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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