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GeForce 8600 GT 1GB GDDR3 vs GeForce GTX 460 SE

Intro

The GeForce 8600 GT 1GB GDDR3 features a GPU clock speed of 540 MHz, and the 1024 MB of GDDR3 RAM runs at 700 MHz through a 128-bit bus. It also features 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare all that to the GeForce GTX 460 SE, which has a core clock frequency of 650 MHz and a GDDR5 memory speed of 850 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It features 288 SPUs, 48 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3 47 Watts
GeForce GTX 460 SE 150 Watts
Difference: 103 Watts (219%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 SE will be 386% faster than the GeForce 8600 GT 1GB GDDR3 overall, due to its higher data rate. (explain)

GeForce GTX 460 SE 108800 MB/sec
GeForce 8600 GT 1GB GDDR3 22400 MB/sec
Difference: 86400 (386%)

Texel Rate

The GeForce GTX 460 SE is a lot (about 261%) better at texture filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

GeForce GTX 460 SE 31200 Mtexels/sec
GeForce 8600 GT 1GB GDDR3 8640 Mtexels/sec
Difference: 22560 (261%)

Pixel Rate

The GeForce GTX 460 SE should be a lot (about 381%) better at AA than the GeForce 8600 GT 1GB GDDR3, and capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
GeForce 8600 GT 1GB GDDR3 4320 Mpixels/sec
Difference: 16480 (381%)

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 1GB GDDR3

Amazon.com

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GeForce GTX 460 SE

Amazon.com

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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 460 SE
Manufacturer nVidia nVidia
Year April 2007 November 2010
Code Name G84 GF104
Memory 1024 MB 1024 MB
Core Speed 540 MHz 650 MHz
Memory Speed 1400 MHz 3400 MHz
Power (Max TDP) 47 watts 150 watts
Bandwidth 22400 MB/sec 108800 MB/sec
Texel Rate 8640 Mtexels/sec 31200 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 20800 Mpixels/sec
Unified Shaders 32 288
Texture Mapping Units 16 48
Render Output Units 8 32
Bus Type GDDR3 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: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock 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 is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8600 GT 1GB GDDR3

Amazon.com

Check prices at:

GeForce GTX 460 SE

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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