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GeForce 8600 GT 256MB GDDR3 vs GeForce GTX 480

Intro

The GeForce 8600 GT 256MB GDDR3 has a core clock speed of 540 MHz and a GDDR3 memory speed of 700 MHz. It also features a 128-bit memory bus, and uses a 80 nm design. It features 32 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare those specifications to the GeForce GTX 480, which comes with GPU clock speed of 700 MHz, and 1536 MB of GDDR5 RAM running at 924 MHz through a 384-bit bus. It also features 480 Stream Processors, 60 TAUs, and 48 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 256MB GDDR3 47 Watts
GeForce GTX 480 250 Watts
Difference: 203 Watts (432%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 480 should in theory be a lot superior to the GeForce 8600 GT 256MB GDDR3 overall. (explain)

GeForce GTX 480 177408 MB/sec
GeForce 8600 GT 256MB GDDR3 22400 MB/sec
Difference: 155008 (692%)

Texel Rate

The GeForce GTX 480 is a lot (about 386%) more effective at texture filtering than the GeForce 8600 GT 256MB GDDR3. (explain)

GeForce GTX 480 42000 Mtexels/sec
GeForce 8600 GT 256MB GDDR3 8640 Mtexels/sec
Difference: 33360 (386%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 480 is superior to the GeForce 8600 GT 256MB GDDR3, by a large margin. (explain)

GeForce GTX 480 33600 Mpixels/sec
GeForce 8600 GT 256MB GDDR3 4320 Mpixels/sec
Difference: 29280 (678%)

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 GDDR3

Amazon.com

Check prices at:

GeForce GTX 480

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 GDDR3 GeForce GTX 480
Manufacturer nVidia nVidia
Year April 2007 March 2010
Code Name G84 GF100
Memory 256 MB 1536 MB
Core Speed 540 MHz 700 MHz
Memory Speed 1400 MHz 3696 MHz
Power (Max TDP) 47 watts 250 watts
Bandwidth 22400 MB/sec 177408 MB/sec
Texel Rate 8640 Mtexels/sec 42000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 33600 Mpixels/sec
Unified Shaders 32 480
Texture Mapping Units 16 60
Render Output Units 8 48
Bus Type GDDR3 GDDR5
Bus Width 128-bit 384-bit
Fab Process 80 nm 40 nm
Transistors 289 million 3000 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 maximum amount of data (in units of megabytes per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, the result 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling 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 that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 256MB GDDR3

Amazon.com

Check prices at:

GeForce GTX 480

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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