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GeForce 8600 GT 1GB GDDR3 vs Radeon RX 6800

Intro

The GeForce 8600 GT 1GB GDDR3 comes with a GPU core speed of 540 MHz, and the 1024 MB of GDDR3 RAM is set to run at 700 MHz through a 128-bit bus. It also is comprised of 32 Stream Processors, 16 TAUs, and 8 Raster Operation Units.

Compare those specs to the Radeon RX 6800, which has GPU clock speed of 1700 MHz, and 16384 MB of GDDR6 memory running at 2000 MHz through a 256-bit bus. It also is made up of 3840 Stream Processors, 240 TAUs, and 96 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3 47 Watts
Radeon RX 6800 250 Watts
Difference: 203 Watts (432%)

Memory Bandwidth

In theory, the Radeon RX 6800 is 2241% faster than the GeForce 8600 GT 1GB GDDR3 in general, because of its higher data rate. (explain)

Radeon RX 6800 524288 MB/sec
GeForce 8600 GT 1GB GDDR3 22400 MB/sec
Difference: 501888 (2241%)

Texel Rate

The Radeon RX 6800 will be a lot (approximately 4622%) faster with regards to anisotropic filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

Radeon RX 6800 408000 Mtexels/sec
GeForce 8600 GT 1GB GDDR3 8640 Mtexels/sec
Difference: 399360 (4622%)

Pixel Rate

The Radeon RX 6800 will be a lot (more or less 3678%) faster with regards to AA than the GeForce 8600 GT 1GB GDDR3, and should be able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 6800 163200 Mpixels/sec
GeForce 8600 GT 1GB GDDR3 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 1GB GDDR3

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 1GB GDDR3 Radeon RX 6800
Manufacturer nVidia AMD
Year April 2007 November 2020
Code Name G84 Navi 21
Memory 1024 MB 16384 MB
Core Speed 540 MHz 1700 MHz
Memory Speed 1400 MHz 4000 GB/s
Power (Max TDP) 47 watts 250 watts
Bandwidth 22400 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 GDDR3 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: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory per 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 fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 8600 GT 1GB GDDR3

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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