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GeForce 8800 GTS (G80) 640MB vs Radeon RX 7900 XT

Intro

The GeForce 8800 GTS (G80) 640MB makes use of a 90 nm design. nVidia has clocked the core speed at 513 MHz. The GDDR3 RAM is set to run at a frequency of 792 MHz on this specific card. It features 96 SPUs as well as 48 Texture Address Units and 20 Rasterization Operator Units.

Compare those specifications to the Radeon RX 7900 XT, which features core clock speeds of 1500 MHz on the GPU, and 2500 MHz on the 20480 MB of GDDR6 RAM. It features 5376 SPUs along with 336 TAUs and 192 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G80) 640MB 143 Watts
Radeon RX 7900 XT 300 Watts
Difference: 157 Watts (110%)

Memory Bandwidth

In theory, the Radeon RX 7900 XT should be 1193% faster than the GeForce 8800 GTS (G80) 640MB overall, due to its higher bandwidth. (explain)

Radeon RX 7900 XT 819200 MB/sec
GeForce 8800 GTS (G80) 640MB 63360 MB/sec
Difference: 755840 (1193%)

Texel Rate

The Radeon RX 7900 XT is quite a bit (more or less 1947%) more effective at AF than the GeForce 8800 GTS (G80) 640MB. (explain)

Radeon RX 7900 XT 504000 Mtexels/sec
GeForce 8800 GTS (G80) 640MB 24624 Mtexels/sec
Difference: 479376 (1947%)

Pixel Rate

The Radeon RX 7900 XT is quite a bit (more or less 2707%) better at full screen anti-aliasing than the GeForce 8800 GTS (G80) 640MB, and should be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 7900 XT 288000 Mpixels/sec
GeForce 8800 GTS (G80) 640MB 10260 Mpixels/sec
Difference: 277740 (2707%)

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) 640MB

Amazon.com

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Radeon RX 7900 XT

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 GTS (G80) 640MB Radeon RX 7900 XT
Manufacturer nVidia AMD
Year Nov 2006 (640) December 2022
Code Name G80 Navi 31 XT
Memory 640 MB 20480 MB
Core Speed 513 MHz 1500 MHz
Memory Speed 1584 MHz 5000 GB/s
Power (Max TDP) 143 watts 300 watts
Bandwidth 63360 MB/sec 819200 MB/sec
Texel Rate 24624 Mtexels/sec 504000 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 288000 Mpixels/sec
Unified Shaders 96 5376
Texture Mapping Units 48 336
Render Output Units 20 192
Bus Type GDDR3 GDDR6
Bus Width 320-bit 320-bit
Fab Process 90 nm 5 nm
Transistors 681 million 57700 million
Bus PCIe x16 PCIe 4.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's 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 applied in one second. This figure is worked out by multiplying the total number of 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 640MB

Amazon.com

Check prices at:

Radeon RX 7900 XT

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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