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GeForce 8600 GT 512MB DDR2 vs Radeon RX 6600

Intro

The GeForce 8600 GT 512MB DDR2 has core speeds of 540 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 memory. It features 32 SPUs along with 16 Texture Address Units and 8 Rasterization Operator Units.

Compare all that to the Radeon RX 6600, which comes with a GPU core clock speed of 1626 MHz, and 8192 MB of GDDR6 memory set to run at 1750 MHz through a 128-bit bus. It also is made up of 1792 SPUs, 112 Texture Address Units, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
Radeon RX 6600 132 Watts
Difference: 85 Watts (181%)

Memory Bandwidth

Performance-wise, the Radeon RX 6600 should in theory be much better than the GeForce 8600 GT 512MB DDR2 overall. (explain)

Radeon RX 6600 229376 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 216576 (1692%)

Texel Rate

The Radeon RX 6600 should be quite a bit (more or less 2008%) more effective at texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon RX 6600 182112 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 173472 (2008%)

Pixel Rate

The Radeon RX 6600 is quite a bit (more or less 2309%) better at anti-aliasing than the GeForce 8600 GT 512MB DDR2, and also will be able to handle higher screen resolutions better. (explain)

Radeon RX 6600 104064 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 99744 (2309%)

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

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Radeon RX 6600

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 6600
Manufacturer nVidia AMD
Year April 2007 October 2021
Code Name G84 Navi 23
Memory 512 MB 8192 MB
Core Speed 540 MHz 1626 MHz
Memory Speed 800 MHz 3500 GB/s
Power (Max TDP) 47 watts 132 watts
Bandwidth 12800 MB/sec 229376 MB/sec
Texel Rate 8640 Mtexels/sec 182112 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 104064 Mpixels/sec
Unified Shaders 32 1792
Texture Mapping Units 16 112
Render Output Units 8 64
Bus Type DDR2 GDDR6
Bus Width 128-bit 128-bit
Fab Process 80 nm 7 nm
Transistors 289 million 11060 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 max amount of data (in units of megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better 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 are applied in one second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon RX 6600

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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