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GeForce 8600 GT 512MB DDR2 vs GeForce RTX 3080

Intro

The GeForce 8600 GT 512MB DDR2 has a core clock frequency of 540 MHz and a DDR2 memory frequency of 400 MHz. It also features a 128-bit bus, and uses a 80 nm design. It is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specifications to the GeForce RTX 3080, which makes use of a 8 nm design. nVidia has set the core speed at 1440 MHz. The GDDR6X RAM is set to run at a speed of 1188 MHz on this model. It features 8704 SPUs as well as 272 Texture Address Units and 96 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce RTX 3080 320 Watts
Difference: 273 Watts (581%)

Memory Bandwidth

In theory, the GeForce RTX 3080 should be 5982% quicker than the GeForce 8600 GT 512MB DDR2 overall, due to its higher bandwidth. (explain)

GeForce RTX 3080 778547 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 765747 (5982%)

Texel Rate

The GeForce RTX 3080 will be quite a bit (about 4433%) faster with regards to anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce RTX 3080 391680 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 383040 (4433%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce RTX 3080 is a better choice, and very much so. (explain)

GeForce RTX 3080 138240 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 133920 (3100%)

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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GeForce RTX 3080

Amazon.com

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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 GeForce RTX 3080
Manufacturer nVidia nVidia
Year April 2007 September 2020
Code Name G84 Ampere GA102-200-KD-A1
Memory 512 MB 10240 MB
Core Speed 540 MHz 1440 MHz
Memory Speed 800 MHz 2376 GB/s
Power (Max TDP) 47 watts 320 watts
Bandwidth 12800 MB/sec 778547 MB/sec
Texel Rate 8640 Mtexels/sec 391680 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 138240 Mpixels/sec
Unified Shaders 32 8704
Texture Mapping Units 16 272
Render Output Units 8 96
Bus Type DDR2 GDDR6X
Bus Width 128-bit 320-bit
Fab Process 80 nm 8 nm
Transistors 289 million 28300 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 (counted in megabytes per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units of the card by the core 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 in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce RTX 3080

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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