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

Intro

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

Compare all of that to the GeForce 8800 GTS (G92), which makes use of a 65 nm design. nVidia has set the core speed at 650 MHz. The GDDR3 memory works at a frequency of 970 MHz on this card. It features 128 SPUs along with 64 Texture Address Units and 16 Rasterization Operator Units.

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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

In theory, the GeForce 8800 GTS (G80) 320MB should be 2% faster than the GeForce 8800 GTS (G92) in general, due to its higher bandwidth. (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) is much (about 69%) more effective at anisotropic 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 (approximately 1%) better at full screen anti-aliasing than the GeForce 8800 GTS (G80) 320MB, and capable of handling higher resolutions better. (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

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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 maximum amount of information (counted in MB per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 are applied per second. This number is worked out by multiplying the total number of 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of 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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