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GeForce 8600 GT 1GB GDDR3 vs GeForce GTX 590

Intro

The GeForce 8600 GT 1GB GDDR3 comes with a GPU core clock speed of 540 MHz, and the 1024 MB of GDDR3 RAM is set to run at 700 MHz through a 128-bit bus. It also is comprised of 32 Stream Processors, 16 Texture Address Units, and 8 ROPs.

Compare those specs to the GeForce GTX 590, which features core speeds of 607 MHz on the GPU, and 855 MHz on the 1536 MB of GDDR5 memory. It features 512 SPUs as well as 64 Texture Address Units and 48 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3 47 Watts
GeForce GTX 590 365 Watts
Difference: 318 Watts (677%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 590 is 1366% quicker than the GeForce 8600 GT 1GB GDDR3 in general, due to its higher bandwidth. (explain)

GeForce GTX 590 328320 MB/sec
GeForce 8600 GT 1GB GDDR3 22400 MB/sec
Difference: 305920 (1366%)

Texel Rate

The GeForce GTX 590 is much (approximately 799%) better at AF than the GeForce 8600 GT 1GB GDDR3. (explain)

GeForce GTX 590 77696 Mtexels/sec
GeForce 8600 GT 1GB GDDR3 8640 Mtexels/sec
Difference: 69056 (799%)

Pixel Rate

The GeForce GTX 590 will be a lot (about 1249%) better at FSAA than the GeForce 8600 GT 1GB GDDR3, and also will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 590 58272 Mpixels/sec
GeForce 8600 GT 1GB GDDR3 4320 Mpixels/sec
Difference: 53952 (1249%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce 8600 GT 1GB GDDR3

Amazon.com

Check prices at:

GeForce GTX 590

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 1GB GDDR3 GeForce GTX 590
Manufacturer nVidia nVidia
Year April 2007 March 2011
Code Name G84 GF110
Memory 1024 MB 1536 MB (x2)
Core Speed 540 MHz 607 MHz (x2)
Memory Speed 1400 MHz 3420 MHz (x2)
Power (Max TDP) 47 watts 365 watts
Bandwidth 22400 MB/sec 328320 MB/sec
Texel Rate 8640 Mtexels/sec 77696 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 58272 Mpixels/sec
Unified Shaders 32 512 (x2)
Texture Mapping Units 16 64 (x2)
Render Output Units 8 48 (x2)
Bus Type GDDR3 GDDR5
Bus Width 128-bit 384-bit (x2)
Fab Process 80 nm 40 nm
Transistors 289 million 3000 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 1GB GDDR3

Amazon.com

Check prices at:

GeForce GTX 590

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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