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GeForce 8600 GT 512MB DDR2 vs Radeon RX 6900 XT

Intro

The GeForce 8600 GT 512MB DDR2 features a core clock speed of 540 MHz and a DDR2 memory frequency of 400 MHz. It also features a 128-bit memory bus, and makes use of a 80 nm design. It is made up of 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare that to the Radeon RX 6900 XT, which features clock speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 memory. It features 5120 SPUs along with 320 TAUs and 128 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
Radeon RX 6900 XT 300 Watts
Difference: 253 Watts (538%)

Memory Bandwidth

In theory, the Radeon RX 6900 XT should perform much faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

Radeon RX 6900 XT 524288 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 511488 (3996%)

Texel Rate

The Radeon RX 6900 XT is quite a bit (more or less 6659%) faster with regards to AF than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon RX 6900 XT 584000 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 575360 (6659%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 6900 XT is superior to the GeForce 8600 GT 512MB DDR2, and very much so. (explain)

Radeon RX 6900 XT 233600 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 229280 (5307%)

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 6900 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 8600 GT 512MB DDR2 Radeon RX 6900 XT
Manufacturer nVidia AMD
Year April 2007 2020
Code Name G84 Navi 21
Memory 512 MB 16384 MB
Core Speed 540 MHz 1825 MHz
Memory Speed 800 MHz 4000 GB/s
Power (Max TDP) 47 watts 300 watts
Bandwidth 12800 MB/sec 524288 MB/sec
Texel Rate 8640 Mtexels/sec 584000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 32 5120
Texture Mapping Units 16 320
Render Output Units 8 128
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 maximum amount of data (measured in MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon RX 6900 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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