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GeForce 8600 GT 512MB GDDR3 vs Radeon HD 5830

Intro

The GeForce 8600 GT 512MB GDDR3 comes with a GPU core clock speed of 540 MHz, and the 512 MB of GDDR3 RAM is set to run at 700 MHz through a 128-bit bus. It also is comprised of 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare those specifications to the Radeon HD 5830, which features core clock speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1120(224x5) SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

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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

As far as performance goes, the Radeon HD 5830 should in theory be much better 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 will be much (about 419%) more effective at anisotropic 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

The Radeon HD 5830 is a lot (more or less 196%) better at FSAA than the GeForce 8600 GT 512MB GDDR3, and also should be able to handle higher screen resolutions while still performing well. (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 max amount of data (measured in MB per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. 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 memory bandwidth is, the lower the ability to reach 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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