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GeForce 8800 GT 1GB vs GeForce 8800 GTS (G80) 320MB

Intro

The GeForce 8800 GT 1GB has clock speeds of 600 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 RAM. It features 112 SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

Compare all that to the GeForce 8800 GTS (G80) 320MB, which features core clock speeds of 513 MHz on the GPU, and 792 MHz on the 320 MB of GDDR3 RAM. It features 96 SPUs along with 48 Texture Address Units and 20 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 1GB 105 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 38 Watts (36%)

Memory Bandwidth

The GeForce 8800 GTS (G80) 320MB, in theory, should be just a bit faster than the GeForce 8800 GT 1GB overall. (explain)

GeForce 8800 GTS (G80) 320MB 63360 MB/sec
GeForce 8800 GT 1GB 57600 MB/sec
Difference: 5760 (10%)

Texel Rate

The GeForce 8800 GT 1GB should be quite a bit (approximately 36%) more effective at anisotropic filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce 8800 GT 1GB 33600 Mtexels/sec
GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Difference: 8976 (36%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 8800 GTS (G80) 320MB is superior to the GeForce 8800 GT 1GB, but it probably won't make a huge difference. (explain)

GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
GeForce 8800 GT 1GB 9600 Mpixels/sec
Difference: 660 (7%)

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 1GB

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.

Specifications

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Model GeForce 8800 GT 1GB GeForce 8800 GTS (G80) 320MB
Manufacturer nVidia nVidia
Year Dec 2007 Feb 2007
Code Name G92 G80
Memory 1024 MB 320 MB
Core Speed 600 MHz 513 MHz
Memory Speed 1800 MHz 1584 MHz
Power (Max TDP) 105 watts 143 watts
Bandwidth 57600 MB/sec 63360 MB/sec
Texel Rate 33600 Mtexels/sec 24624 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 10260 Mpixels/sec
Unified Shaders 112 96
Texture Mapping Units 56 48
Render Output Units 16 20
Bus Type GDDR3 GDDR3
Bus Width 256-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: Bandwidth is the largest amount of information (measured in MB per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen 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 texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at 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 that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 1GB

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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