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GeForce 8600 GT 512MB DDR2 vs Radeon RX 6800

Intro

The GeForce 8600 GT 512MB DDR2 has a GPU core speed of 540 MHz, and the 512 MB of DDR2 memory runs at 400 MHz through a 128-bit bus. It also is comprised of 32 Stream Processors, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specs to the Radeon RX 6800, which comes with clock speeds of 1700 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 memory. It features 3840 SPUs as well as 240 TAUs and 96 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
Radeon RX 6800 250 Watts
Difference: 203 Watts (432%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6800 should be 3996% faster than the GeForce 8600 GT 512MB DDR2 overall, due to its higher bandwidth. (explain)

Radeon RX 6800 524288 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 511488 (3996%)

Texel Rate

The Radeon RX 6800 will be much (approximately 4622%) more effective at AF than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon RX 6800 408000 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 399360 (4622%)

Pixel Rate

The Radeon RX 6800 should be quite a bit (approximately 3678%) faster with regards to anti-aliasing than the GeForce 8600 GT 512MB DDR2, and also should be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon RX 6800 163200 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 158880 (3678%)

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 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon RX 6800

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 8600 GT 512MB DDR2 Radeon RX 6800
Manufacturer nVidia AMD
Year April 2007 November 2020
Code Name G84 Navi 21
Memory 512 MB 16384 MB
Core Speed 540 MHz 1700 MHz
Memory Speed 800 MHz 4000 GB/s
Power (Max TDP) 47 watts 250 watts
Bandwidth 12800 MB/sec 524288 MB/sec
Texel Rate 8640 Mtexels/sec 408000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 163200 Mpixels/sec
Unified Shaders 32 3840
Texture Mapping Units 16 240
Render Output Units 8 96
Bus Type DDR2 GDDR6
Bus Width 128-bit 256-bit
Fab Process 80 nm 7 nm
Transistors 289 million 26800 million
Bus PCIe x16 PCIe 4.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the 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 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 amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon RX 6800

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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