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GeForce GTX 480 vs GeForce GTX 580

Intro

The GeForce GTX 480 features a GPU core clock speed of 700 MHz, and the 1536 MB of GDDR5 RAM runs at 924 MHz through a 384-bit bus. It also is comprised of 480 Stream Processors, 60 TAUs, and 48 ROPs.

Compare all of that to the GeForce GTX 580, which comes with core speeds of 772 MHz on the GPU, and 1002 MHz on the 1536 MB of GDDR5 RAM. It features 512 SPUs as well as 64 Texture Address Units and 48 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

The GeForce GTX 580 should in theory perform a bit faster than the GeForce GTX 480 in general. (explain)

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

Texel Rate

The GeForce GTX 580 is a bit (more or less 18%) better at texture filtering than the GeForce GTX 480. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 580 is superior to the GeForce GTX 480, not by a very large margin though. (explain)

GeForce GTX 580 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

Display Prices

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GeForce GTX 480

Amazon.com

GeForce GTX 580

Amazon.com

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

Display Specifications

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Model GeForce GTX 480 GeForce GTX 580
Manufacturer nVidia nVidia
Year March 2010 November 2010
Code Name GF100 GF110
Memory 1536 MB 1536 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: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the 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 texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the 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 graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs 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 output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Comments

4 Responses to “GeForce GTX 480 vs GeForce GTX 580”
General PC Discussion thread V2.5 - Page 9 - The Halo Forum says:

[...] were not that far off from each other http://www.hwcompare.com/9134/geforc...force-gtx-580/ Profile Send PM [...]

Lucas says:

Muita pouca diferença e mais barata

Juan says:

Muy poca diferencia para la abismal diferencia de precio.

Matheus says:

Difereça quaze nula, é muito mais barata quaze a metade do preço mais barata, concerteza vou de GTX 480 !

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