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GeForce GTX 480 vs GeForce GTX 580

Intro

The GeForce GTX 480 comes with a GPU core speed of 700 MHz, and the 1536 MB of GDDR5 RAM is set to run at 924 MHz through a 384-bit bus. It also is comprised of 480 SPUs, 60 TAUs, and 48 ROPs.

Compare all 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 memory. It features 512 SPUs as well as 64 Texture Address Units and 48 ROPs.

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

Performance-wise, the GeForce GTX 580 should in theory be just a bit superior to the GeForce GTX 480 overall. (explain)

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

Texel Rate

The GeForce GTX 580 should be a small bit (more or less 18%) faster with regards to anisotropic 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 running with high levels of AA is important to you, then the GeForce GTX 580 is a better choice, but only just. (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

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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 largest amount of data (counted in megabytes per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock 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 processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum 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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