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GeForce 8600 GT 512MB DDR2 vs Radeon R9 290X

Intro

The GeForce 8600 GT 512MB DDR2 features core speeds of 540 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 memory. It features 32 SPUs as well as 16 TAUs and 8 Rasterization Operator Units.

Compare all of that to the Radeon R9 290X, which has GPU clock speed of 800 MHz, and 4096 MB of GDDR5 memory running at 1250 MHz through a 512-bit bus. It also is comprised of 2816 SPUs, 176 Texture Address Units, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
Radeon R9 290X 300 Watts
Difference: 253 Watts (538%)

Memory Bandwidth

The Radeon R9 290X, in theory, should perform a lot faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

Radeon R9 290X 320000 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 307200 (2400%)

Texel Rate

The Radeon R9 290X will be quite a bit (approximately 1530%) faster with regards to texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon R9 290X 140800 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 132160 (1530%)

Pixel Rate

The Radeon R9 290X will be quite a bit (approximately 1085%) faster with regards to full screen anti-aliasing than the GeForce 8600 GT 512MB DDR2, and also should be capable of handling higher screen resolutions while still performing well. (explain)

Radeon R9 290X 51200 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 46880 (1085%)

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 R9 290X

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 R9 290X
Manufacturer nVidia AMD
Year April 2007 October 2013
Code Name G84 Hawaii XT
Memory 512 MB 4096 MB
Core Speed 540 MHz 800 MHz
Memory Speed 800 MHz 5000 MHz
Power (Max TDP) 47 watts 300 watts
Bandwidth 12800 MB/sec 320000 MB/sec
Texel Rate 8640 Mtexels/sec 140800 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 51200 Mpixels/sec
Unified Shaders 32 2816
Texture Mapping Units 16 176
Render Output Units 8 64
Bus Type DDR2 GDDR5
Bus Width 128-bit 512-bit
Fab Process 80 nm 28 nm
Transistors 289 million 6200 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the video 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 amount of pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon R9 290X

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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