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GeForce GTX 480 vs GeForce GTX 580

Intro

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

Compare that to the GeForce GTX 580, which makes use of a 40 nm design. nVidia has set the core frequency at 772 MHz. The GDDR5 memory is set to run at a speed of 1002 MHz on this specific card. It features 512 SPUs as well as 64 TAUs and 48 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

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, in theory, should perform a small 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 will be a bit (more or less 18%) more effective 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

The GeForce GTX 580 is a bit (about 10%) faster with regards to AA than the GeForce GTX 480, and will be capable of handling higher resolutions while still performing well. (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

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

Model GeForce GTX 480 GeForce GTX 580
Manufacturer nVidia nVidia
Year March 2010 November 2010
Code Name GF100 GF110
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe x16
Memory 1536 MB 1536 MB
Core Speed 700 MHz 772 MHz
Shader Speed 1401 MHz 1544 MHz
Memory Speed 924 MHz (3696 MHz effective) 1002 MHz (4008 MHz effective)
Unified Shaders 480 512
Texture Mapping Units 60 64
Render Output Units 48 48
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1
Power (Max TDP) 250 watts 244 watts
Shader Model 5.0 5.0
Bandwidth 177408 MB/sec 192384 MB/sec
Texel Rate 42000 Mtexels/sec 49408 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 37056 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 are applied in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one 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 rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Comments

4 Responses to “GeForce GTX 480 vs GeForce GTX 580”
[...] 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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