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GeForce 8600 GT 512MB GDDR3 vs Radeon HD 5830

Intro

The GeForce 8600 GT 512MB GDDR3 features clock speeds of 540 MHz on the GPU, and 700 MHz on the 512 MB of GDDR3 memory. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Compare all that to the Radeon HD 5830, which features clock speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 1120(224x5) SPUs along with 56 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB GDDR3 47 Watts
Radeon HD 5830 175 Watts
Difference: 128 Watts (272%)

Memory Bandwidth

The Radeon HD 5830, in theory, should be much faster than the GeForce 8600 GT 512MB GDDR3 in general. (explain)

Radeon HD 5830 128000 MB/sec
GeForce 8600 GT 512MB GDDR3 22400 MB/sec
Difference: 105600 (471%)

Texel Rate

The Radeon HD 5830 is much (more or less 419%) better at texture filtering than the GeForce 8600 GT 512MB GDDR3. (explain)

Radeon HD 5830 44800 Mtexels/sec
GeForce 8600 GT 512MB GDDR3 8640 Mtexels/sec
Difference: 36160 (419%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 5830 is the winner, by a large margin. (explain)

Radeon HD 5830 12800 Mpixels/sec
GeForce 8600 GT 512MB GDDR3 4320 Mpixels/sec
Difference: 8480 (196%)

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 GDDR3

Amazon.com

Check prices at:

Radeon HD 5830

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 GDDR3 Radeon HD 5830
Manufacturer nVidia AMD
Year April 2007 February 25, 2010
Code Name G84 Cypress LE
Memory 512 MB 1024 MB
Core Speed 540 MHz 800 MHz
Memory Speed 1400 MHz 4000 MHz
Power (Max TDP) 47 watts 175 watts
Bandwidth 22400 MB/sec 128000 MB/sec
Texel Rate 8640 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 32 1120(224x5)
Texture Mapping Units 16 56
Render Output Units 8 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 80 nm 40 nm
Transistors 289 million 2154 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. 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 texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total texture units of the card 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 512MB GDDR3

Amazon.com

Check prices at:

Radeon HD 5830

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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