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GeForce GTX 480 vs GeForce GTX 580 3GB

Intro

The GeForce GTX 480 has a core clock frequency of 700 MHz and a GDDR5 memory frequency of 924 MHz. It also uses a 384-bit bus, and uses a 40 nm design. It features 480 SPUs, 60 Texture Address Units, and 48 Raster Operation Units.

Compare those specs to the GeForce GTX 580 3GB, which makes use of a 40 nm design. nVidia has clocked the core speed at 772 MHz. The GDDR5 memory works at a frequency of 1002 MHz on this card. It features 512 SPUs along with 64 TAUs and 48 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 580 3GB 244 Watts
GeForce GTX 480 250 Watts
Difference: 6 Watts (2%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 580 3GB should theoretically be a small bit better than the GeForce GTX 480 in general. (explain)

GeForce GTX 580 3GB 192384 MB/sec
GeForce GTX 480 177408 MB/sec
Difference: 14976 (8%)

Texel Rate

The GeForce GTX 580 3GB is a little bit (more or less 18%) more effective at anisotropic filtering than the GeForce GTX 480. (explain)

GeForce GTX 580 3GB 49408 Mtexels/sec
GeForce GTX 480 42000 Mtexels/sec
Difference: 7408 (18%)

Pixel Rate

The GeForce GTX 580 3GB should be a bit (more or less 10%) more effective at AA than the GeForce GTX 480, and should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
GeForce GTX 480 33600 Mpixels/sec
Difference: 3456 (10%)

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 GTX 480

Amazon.com

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GeForce GTX 580 3GB

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 GTX 480 GeForce GTX 580 3GB
Manufacturer nVidia nVidia
Year March 2010 November 2010
Code Name GF100 GF110
Memory 1536 MB 3072 MB
Core Speed 700 MHz 772 MHz
Memory Speed 3696 MHz 4008 MHz
Power (Max TDP) 250 watts 244 watts
Bandwidth 177408 MB/sec 192384 MB/sec
Texel Rate 42000 Mtexels/sec 49408 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 37056 Mpixels/sec
Unified Shaders 480 512
Texture Mapping Units 60 64
Render Output Units 48 48
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 3000 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the card will be at handling 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 could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core 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 also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 480

Amazon.com

Check prices at:

GeForce GTX 580 3GB

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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