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GeForce 8800 GTS (G92) vs GeForce 9800 GTX

Intro

The GeForce 8800 GTS (G92) features a GPU core 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 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the GeForce 9800 GTX, which uses a 65 nm design. nVidia has clocked the core speed at 675 MHz. The GDDR3 RAM works at a frequency of 1100 MHz on this card. It features 128 SPUs as well as 64 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92) 135 Watts
GeForce 9800 GTX 140 Watts
Difference: 5 Watts (4%)

Memory Bandwidth

As far as performance goes, the GeForce 9800 GTX should in theory be a little bit superior to the GeForce 8800 GTS (G92) overall. (explain)

GeForce 9800 GTX 70400 MB/sec
GeForce 8800 GTS (G92) 62080 MB/sec
Difference: 8320 (13%)

Texel Rate

The GeForce 9800 GTX will be a bit (approximately 4%) more effective at AF than the GeForce 8800 GTS (G92). (explain)

GeForce 9800 GTX 43200 Mtexels/sec
GeForce 8800 GTS (G92) 41600 Mtexels/sec
Difference: 1600 (4%)

Pixel Rate

The GeForce 9800 GTX should be a little bit (approximately 4%) more effective at AA than the GeForce 8800 GTS (G92), and able to handle higher resolutions without slowing down too much. (explain)

GeForce 9800 GTX 10800 Mpixels/sec
GeForce 8800 GTS (G92) 10400 Mpixels/sec
Difference: 400 (4%)

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 9800 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

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Model GeForce 8800 GTS (G92) GeForce 9800 GTX
Manufacturer nVidia nVidia
Year Dec 2007 April 2008
Code Name G92 G92
Memory 512 MB 512 MB
Core Speed 650 MHz 675 MHz
Memory Speed 1940 MHz 2200 MHz
Power (Max TDP) 135 watts 140 watts
Bandwidth 62080 MB/sec 70400 MB/sec
Texel Rate 41600 Mtexels/sec 43200 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 10800 Mpixels/sec
Unified Shaders 128 128
Texture Mapping Units 64 64
Render Output Units 16 16
Bus Type GDDR3 GDDR3
Bus Width 256-bit 256-bit
Fab Process 65 nm 65 nm
Transistors 754 million 754 million
Bus PCIe x16 2.0 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

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

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

GeForce 9800 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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