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GeForce GTX 580 3GB vs Geforce GTX 770

Intro

The GeForce GTX 580 3GB has a clock speed of 772 MHz and a GDDR5 memory frequency of 1002 MHz. It also makes use of a 384-bit bus, and makes use of a 40 nm design. It is comprised of 512 SPUs, 64 Texture Address Units, and 48 Raster Operation Units.

Compare those specs to the Geforce GTX 770, which has clock speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs along with 128 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 770 230 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 14 Watts (6%)

Memory Bandwidth

The Geforce GTX 770 should theoretically be just a bit faster than the GeForce GTX 580 3GB overall. (explain)

Geforce GTX 770 224384 MB/sec
GeForce GTX 580 3GB 192384 MB/sec
Difference: 32000 (17%)

Texel Rate

The Geforce GTX 770 should be a lot (about 171%) more effective at AF than the GeForce GTX 580 3GB. (explain)

Geforce GTX 770 133888 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 84480 (171%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 580 3GB is the winner, though not by far. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
Geforce GTX 770 33472 Mpixels/sec
Difference: 3584 (11%)

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 580 3GB

Amazon.com

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Geforce GTX 770

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 580 3GB Geforce GTX 770
Manufacturer nVidia nVidia
Year November 2010 May 2013
Code Name GF110 GK104
Memory 3072 MB 2048 MB
Core Speed 772 MHz 1046 MHz
Memory Speed 4008 MHz 7012 MHz
Power (Max TDP) 244 watts 230 watts
Bandwidth 192384 MB/sec 224384 MB/sec
Texel Rate 49408 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 33472 Mpixels/sec
Unified Shaders 512 1536
Texture Mapping Units 64 128
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

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

Display Prices

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GeForce GTX 580 3GB

Amazon.com

Check prices at:

Geforce GTX 770

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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