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GeForce 8800 GT 512MB vs Radeon RX 7900 XT

Intro

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

Compare all that 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 memory. It features 5376 SPUs as well as 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 quite a bit faster than the GeForce 8800 GT 512MB overall. (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 should be quite a bit (approximately 1400%) faster with regards to anisotropic filtering 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 a high screen resolution is important to you, then the Radeon RX 7900 XT is a better choice, and very much so. (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 max amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be 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 this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

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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