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GeForce 8600 GT 512MB DDR2 vs GeForce GTX 280

Intro

The GeForce 8600 GT 512MB DDR2 has a GPU core speed of 540 MHz, and the 512 MB of DDR2 RAM runs at 400 MHz through a 128-bit bus. It also features 32 Stream Processors, 16 TAUs, and 8 Raster Operation Units.

Compare all of that to the GeForce GTX 280, which has GPU clock speed of 602 MHz, and 1024 MB of GDDR3 RAM running at 1107 MHz through a 512-bit bus. It also is made up of 240 SPUs, 80 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce GTX 280 236 Watts
Difference: 189 Watts (402%)

Memory Bandwidth

Theoretically, the GeForce GTX 280 should be a lot faster than the GeForce 8600 GT 512MB DDR2 in general. (explain)

GeForce GTX 280 141696 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 128896 (1007%)

Texel Rate

The GeForce GTX 280 is a lot (about 457%) faster with regards to anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GTX 280 48160 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 39520 (457%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 280 is the winner, by a large margin. (explain)

GeForce GTX 280 19264 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 14944 (346%)

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:

GeForce GTX 280

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 GeForce GTX 280
Manufacturer nVidia nVidia
Year April 2007 June 17, 2008
Code Name G84 G200
Memory 512 MB 1024 MB
Core Speed 540 MHz 602 MHz
Memory Speed 800 MHz 2214 MHz
Power (Max TDP) 47 watts 236 watts
Bandwidth 12800 MB/sec 141696 MB/sec
Texel Rate 8640 Mtexels/sec 48160 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 19264 Mpixels/sec
Unified Shaders 32 240
Texture Mapping Units 16 80
Render Output Units 8 32
Bus Type DDR2 GDDR3
Bus Width 128-bit 512-bit
Fab Process 80 nm 65 nm
Transistors 289 million 1400 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.1

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total 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 in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GTX 280

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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