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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 clock speed of 540 MHz, and the 1024 MB of GDDR3 RAM runs at 700 MHz through a 128-bit bus. It also is comprised of 32 Stream Processors, 16 Texture Address Units, and 8 ROPs.

Compare those specifications to the Radeon RX 6800, which comes with core clock speeds of 1700 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 RAM. It features 3840 SPUs along with 240 Texture Address Units 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

Performance-wise, the Radeon RX 6800 should theoretically be much superior to the GeForce 8600 GT 1GB GDDR3 overall. (explain)

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

Texel Rate

The Radeon RX 6800 should be a lot (more or less 4622%) better at 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 quite a bit (approximately 3678%) better at full screen anti-aliasing than the GeForce 8600 GT 1GB GDDR3, and capable of handling higher resolutions more effectively. (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 largest amount of information (counted in megabytes per second) that can be transferred past the external memory interface in one second. The number is 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 better the memory bandwidth, the faster 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 applied per second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

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