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

Intro

The GeForce 8800 GTS (G80) 640MB comes with core speeds of 513 MHz on the GPU, and 792 MHz on the 640 MB of GDDR3 memory. It features 96 SPUs along with 48 TAUs and 20 Rasterization Operator Units.

Compare all that to the Radeon RX 7900 XT, which comes with a clock frequency of 1500 MHz and a GDDR6 memory frequency of 2500 MHz. It also features a 320-bit memory bus, and makes use of a 5 nm design. It is made up of 5376 SPUs, 336 Texture Address Units, and 192 ROPs.

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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

As far as performance goes, the Radeon RX 7900 XT should theoretically be a lot superior to the GeForce 8800 GTS (G80) 640MB in general. (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 should be much (about 1947%) more effective at anisotropic filtering 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

If using a high screen resolution is important to you, then the Radeon RX 7900 XT is the winner, and very much so. (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

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) 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 maximum amount of data (in units of MB per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This 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 video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the graphics 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 number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach 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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