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GeForce 8800 GS vs GeForce 8800 GTS (G80) 320MB

Intro

The GeForce 8800 GS features a GPU core clock speed of 550 MHz, and the 384 MB of GDDR3 RAM is set to run at 800 MHz through a 192-bit bus. It also is made up of 96 Stream Processors, 48 Texture Address Units, and 12 ROPs.

Compare those specifications to the GeForce 8800 GTS (G80) 320MB, which features clock speeds of 513 MHz on the GPU, and 792 MHz on the 320 MB of GDDR3 memory. It features 96 SPUs along with 48 Texture Address Units and 20 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GS 105 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 38 Watts (36%)

Memory Bandwidth

In theory, the GeForce 8800 GTS (G80) 320MB should perform much faster than the GeForce 8800 GS overall. (explain)

GeForce 8800 GTS (G80) 320MB 63360 MB/sec
GeForce 8800 GS 38400 MB/sec
Difference: 24960 (65%)

Texel Rate

The GeForce 8800 GS should be a little bit (about 7%) better at texture filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce 8800 GS 26400 Mtexels/sec
GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Difference: 1776 (7%)

Pixel Rate

If using a high resolution is important to you, then the GeForce 8800 GTS (G80) 320MB is a better choice, by far. (explain)

GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
GeForce 8800 GS 6600 Mpixels/sec
Difference: 3660 (55%)

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 GS

Amazon.com

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GeForce 8800 GTS (G80) 320MB

Amazon.com

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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 GS GeForce 8800 GTS (G80) 320MB
Manufacturer nVidia nVidia
Year Jan 2008 Feb 2007
Code Name G92 G80
Memory 384 MB 320 MB
Core Speed 550 MHz 513 MHz
Memory Speed 1600 MHz 1584 MHz
Power (Max TDP) 105 watts 143 watts
Bandwidth 38400 MB/sec 63360 MB/sec
Texel Rate 26400 Mtexels/sec 24624 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 10260 Mpixels/sec
Unified Shaders 96 96
Texture Mapping Units 48 48
Render Output Units 12 20
Bus Type GDDR3 GDDR3
Bus Width 192-bit 320-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: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GS

Amazon.com

Check prices at:

GeForce 8800 GTS (G80) 320MB

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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