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GeForce GTX 580 vs Geforce GTX 680

Intro

The GeForce GTX 580 uses a 40 nm design. nVidia has set the core frequency at 772 MHz. The GDDR5 RAM runs at a frequency of 1002 MHz on this model. It features 512 SPUs as well as 64 Texture Address Units and 48 ROPs.

Compare those specs to the Geforce GTX 680, which uses a 28 nm design. nVidia has set the core speed at 1006 MHz. The GDDR5 RAM is set to run at a speed of 1502 MHz on this particular model. It features 1536 SPUs as well as 128 TAUs and 32 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 680 195 Watts
GeForce GTX 580 244 Watts
Difference: 49 Watts (25%)

Memory Bandwidth

Theoretically, the GeForce GTX 580 should perform a little bit faster than the Geforce GTX 680 overall. (explain)

GeForce GTX 580 192384 MB/sec
Geforce GTX 680 192256 MB/sec
Difference: 128 (0%)

Texel Rate

The Geforce GTX 680 should be a lot (more or less 161%) more effective at AF than the GeForce GTX 580. (explain)

Geforce GTX 680 128768 Mtexels/sec
GeForce GTX 580 49408 Mtexels/sec
Difference: 79360 (161%)

Pixel Rate

The GeForce GTX 580 should be a little bit (about 15%) better at FSAA than the Geforce GTX 680, and capable of handling higher resolutions better. (explain)

GeForce GTX 580 37056 Mpixels/sec
Geforce GTX 680 32192 Mpixels/sec
Difference: 4864 (15%)

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 580

Amazon.com

Geforce GTX 680

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 580 Geforce GTX 680
Manufacturer nVidia nVidia
Year November 2010 March 2012
Code Name GF110 GK104
Fab Process 40 nm 28 nm
Bus PCIe x16 PCIe 3.0 x16
Memory 1536 MB 2048 MB
Core Speed 772 MHz 1006 MHz
Shader Speed 1544 MHz 1006 MHz
Memory Speed 1002 MHz (4008 MHz effective) 1502 MHz (6008 MHz effective)
Unified Shaders 512 1536
Texture Mapping Units 64 128
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.2
Power (Max TDP) 244 watts 195 watts
Shader Model 5.0 5.0
Bandwidth 192384 MB/sec 192256 MB/sec
Texel Rate 49408 Mtexels/sec 128768 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 32192 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per 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 most pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Comments

5 Responses to “GeForce GTX 580 vs Geforce GTX 680”
SuperKewldude says:
The leaked specs said that its powerful as 3 gtx 580s.Now we know thats just a stupid rumour.
bob says:
well texel rate is
Sam says:
"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. "

So this whole article is BS, performance is not based on theoretical information.
Waste of time.....

dfgfgfd says:
Gtx 580 is better!!
iHAR says:
580 better ?! Tt %61 at AF textures filtering. Only if you use high resolution without tex filters.
Ll 680 better for games regular pc

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