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GeForce 8800 GT 512MB vs Radeon RX 7900 XT

Intro

The GeForce 8800 GT 512MB has a core clock frequency of 600 MHz and a GDDR3 memory speed of 900 MHz. It also makes use of a 256-bit memory bus, and uses a 65 nm design. It is made up of 112 SPUs, 56 TAUs, and 16 Raster Operation Units.

Compare that to the Radeon RX 7900 XT, which uses a 5 nm design. AMD has clocked the core speed at 1500 MHz. The GDDR6 memory works at a frequency of 2500 MHz on this specific card. It features 5376 SPUs along with 336 TAUs and 192 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 512MB 105 Watts
Radeon RX 7900 XT 300 Watts
Difference: 195 Watts (186%)

Memory Bandwidth

In theory, the Radeon RX 7900 XT should be 1322% quicker than the GeForce 8800 GT 512MB overall, because of its higher data rate. (explain)

Radeon RX 7900 XT 819200 MB/sec
GeForce 8800 GT 512MB 57600 MB/sec
Difference: 761600 (1322%)

Texel Rate

The Radeon RX 7900 XT is much (about 1400%) more effective at AF than the GeForce 8800 GT 512MB. (explain)

Radeon RX 7900 XT 504000 Mtexels/sec
GeForce 8800 GT 512MB 33600 Mtexels/sec
Difference: 470400 (1400%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 7900 XT is a better choice, by a large margin. (explain)

Radeon RX 7900 XT 288000 Mpixels/sec
GeForce 8800 GT 512MB 9600 Mpixels/sec
Difference: 278400 (2900%)

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 512MB

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 GT 512MB Radeon RX 7900 XT
Manufacturer nVidia AMD
Year Oct 2007 December 2022
Code Name G92 Navi 31 XT
Memory 512 MB 20480 MB
Core Speed 600 MHz 1500 MHz
Memory Speed 1800 MHz 5000 GB/s
Power (Max TDP) 105 watts 300 watts
Bandwidth 57600 MB/sec 819200 MB/sec
Texel Rate 33600 Mtexels/sec 504000 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 288000 Mpixels/sec
Unified Shaders 112 5376
Texture Mapping Units 56 336
Render Output Units 16 192
Bus Type GDDR3 GDDR6
Bus Width 256-bit 320-bit
Fab Process 65 nm 5 nm
Transistors 754 million 57700 million
Bus PCIe x16 2.0 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 information (counted in MB per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8800 GT 512MB

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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