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GeForce 8800 GTS (G80) 320MB vs GeForce 8800 GTS (G92)

Intro

The GeForce 8800 GTS (G80) 320MB features a clock frequency of 513 MHz and a GDDR3 memory speed of 792 MHz. It also features a 320-bit memory bus, and makes use of a 90 nm design. It is made up of 96 SPUs, 48 Texture Address Units, and 20 ROPs.

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 memory. It features 128 SPUs along with 64 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92) 135 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 8 Watts (6%)

Memory Bandwidth

The GeForce 8800 GTS (G80) 320MB, in theory, should perform a bit faster than the GeForce 8800 GTS (G92) overall. (explain)

GeForce 8800 GTS (G80) 320MB 63360 MB/sec
GeForce 8800 GTS (G92) 62080 MB/sec
Difference: 1280 (2%)

Texel Rate

The GeForce 8800 GTS (G92) will be quite a bit (about 69%) better at texture filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Difference: 16976 (69%)

Pixel Rate

The GeForce 8800 GTS (G92) is just a bit (about 1%) more effective at AA than the GeForce 8800 GTS (G80) 320MB, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce 8800 GTS (G92) 10400 Mpixels/sec
GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Difference: 140 (1%)

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 (G80) 320MB

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 GTS (G80) 320MB GeForce 8800 GTS (G92)
Manufacturer nVidia nVidia
Year Feb 2007 Dec 2007
Code Name G80 G92
Memory 320 MB 512 MB
Core Speed 513 MHz 650 MHz
Memory Speed 1584 MHz 1940 MHz
Power (Max TDP) 143 watts 135 watts
Bandwidth 63360 MB/sec 62080 MB/sec
Texel Rate 24624 Mtexels/sec 41600 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 10400 Mpixels/sec
Unified Shaders 96 128
Texture Mapping Units 48 64
Render Output Units 20 16
Bus Type GDDR3 GDDR3
Bus Width 320-bit 256-bit
Fab Process 90 nm 65 nm
Transistors 681 million 754 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics 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 amount of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 320MB

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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