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GeForce 8800 GT 256MB vs GeForce 8800 GTS (G92)

Intro

The GeForce 8800 GT 256MB features a GPU core clock speed of 600 MHz, and the 256 MB of GDDR3 RAM runs at 700 MHz through a 256-bit bus. It also features 112 SPUs, 56 TAUs, and 16 Raster Operation Units.

Compare those specifications to the GeForce 8800 GTS (G92), which features clock speeds of 650 MHz on the GPU, and 970 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs as well as 64 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 256MB 105 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 30 Watts (29%)

Memory Bandwidth

In theory, the GeForce 8800 GTS (G92) should be 39% faster than the GeForce 8800 GT 256MB in general, because of its higher bandwidth. (explain)

GeForce 8800 GTS (G92) 62080 MB/sec
GeForce 8800 GT 256MB 44800 MB/sec
Difference: 17280 (39%)

Texel Rate

The GeForce 8800 GTS (G92) should be a lot (approximately 24%) more effective at anisotropic filtering than the GeForce 8800 GT 256MB. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
GeForce 8800 GT 256MB 33600 Mtexels/sec
Difference: 8000 (24%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce 8800 GTS (G92) is a better choice, though not by far. (explain)

GeForce 8800 GTS (G92) 10400 Mpixels/sec
GeForce 8800 GT 256MB 9600 Mpixels/sec
Difference: 800 (8%)

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 GT 256MB

Amazon.com

Check prices at:

GeForce 8800 GTS (G92)

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 GT 256MB GeForce 8800 GTS (G92)
Manufacturer nVidia nVidia
Year Dec 2007 Dec 2007
Code Name G92 G92
Memory 256 MB 512 MB
Core Speed 600 MHz 650 MHz
Memory Speed 1400 MHz 1940 MHz
Power (Max TDP) 105 watts 135 watts
Bandwidth 44800 MB/sec 62080 MB/sec
Texel Rate 33600 Mtexels/sec 41600 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 10400 Mpixels/sec
Unified Shaders 112 128
Texture Mapping Units 56 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 maximum amount of data (counted in megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 256MB

Amazon.com

Check prices at:

GeForce 8800 GTS (G92)

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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