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GeForce 8600 GT 512MB DDR2 vs Radeon RX 6700 XT

Intro

The GeForce 8600 GT 512MB DDR2 has a GPU core clock speed of 540 MHz, and the 512 MB of DDR2 memory runs at 400 MHz through a 128-bit bus. It also features 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specifications to the Radeon RX 6700 XT, which features GPU clock speed of 2321 MHz, and (Unknown) MB of GDDR6 RAM set to run at 2000 MHz through a 192-bit bus. It also is comprised of 2560 Stream Processors, 160 TAUs, 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 6700 XT 230 Watts
Difference: 183 Watts (389%)

Memory Bandwidth

In theory, the Radeon RX 6700 XT should be 2972% quicker than the GeForce 8600 GT 512MB DDR2 overall, because of its higher data rate. (explain)

Radeon RX 6700 XT 393216 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 380416 (2972%)

Texel Rate

The Radeon RX 6700 XT will be quite a bit (about 4198%) better at texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon RX 6700 XT 371360 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 362720 (4198%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 6700 XT is the winner, by far. (explain)

Radeon RX 6700 XT 148544 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 144224 (3339%)

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 6700 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 6700 XT
Manufacturer nVidia AMD
Year April 2007 March 2021
Code Name G84 Navi 22
Memory 512 MB (Unknown) MB
Core Speed 540 MHz 2321 MHz
Memory Speed 800 MHz 4000 GB/s
Power (Max TDP) 47 watts 230 watts
Bandwidth 12800 MB/sec 393216 MB/sec
Texel Rate 8640 Mtexels/sec 371360 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 148544 Mpixels/sec
Unified Shaders 32 2560
Texture Mapping Units 16 160
Render Output Units 8 64
Bus Type DDR2 GDDR6
Bus Width 128-bit 192-bit
Fab Process 80 nm 7 nm
Transistors 289 million 17200 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 max amount of information (in units of megabytes per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 amount of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs 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 rate also depends on quite a few other factors, especially 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 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon RX 6700 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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