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GeForce 8600 GT 256MB DDR2 vs GeForce GTX 460 1GB

Intro

The GeForce 8600 GT 256MB DDR2 uses a 80 nm design. nVidia has clocked the core frequency at 540 MHz. The DDR2 memory is set to run at a frequency of 400 MHz on this particular model. It features 32 SPUs as well as 16 TAUs and 8 Rasterization Operator Units.

Compare that to the GeForce GTX 460 1GB, which comes with clock speeds of 675 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs along with 56 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 256MB DDR2 47 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 113 Watts (240%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 1GB should be 800% quicker than the GeForce 8600 GT 256MB DDR2 in general, due to its higher data rate. (explain)

GeForce GTX 460 1GB 115200 MB/sec
GeForce 8600 GT 256MB DDR2 12800 MB/sec
Difference: 102400 (800%)

Texel Rate

The GeForce GTX 460 1GB is a lot (about 338%) faster with regards to AF than the GeForce 8600 GT 256MB DDR2. (explain)

GeForce GTX 460 1GB 37800 Mtexels/sec
GeForce 8600 GT 256MB DDR2 8640 Mtexels/sec
Difference: 29160 (338%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 460 1GB is superior to the GeForce 8600 GT 256MB DDR2, by a large margin. (explain)

GeForce GTX 460 1GB 21600 Mpixels/sec
GeForce 8600 GT 256MB DDR2 4320 Mpixels/sec
Difference: 17280 (400%)

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 256MB DDR2

Amazon.com

Check prices at:

GeForce GTX 460 1GB

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 256MB DDR2 GeForce GTX 460 1GB
Manufacturer nVidia nVidia
Year April 2007 July 2010
Code Name G84 GF104
Memory 256 MB 1024 MB
Core Speed 540 MHz 675 MHz
Memory Speed 800 MHz 3600 MHz
Power (Max TDP) 47 watts 160 watts
Bandwidth 12800 MB/sec 115200 MB/sec
Texel Rate 8640 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 32 336
Texture Mapping Units 16 56
Render Output Units 8 32
Bus Type DDR2 GDDR5
Bus Width 128-bit 256-bit
Fab Process 80 nm 40 nm
Transistors 289 million 1950 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 256MB DDR2

Amazon.com

Check prices at:

GeForce GTX 460 1GB

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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