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GeForce GTX 580 3GB vs GeForce GTX 590

Intro

The GeForce GTX 580 3GB has a clock frequency 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 made up of 512 SPUs, 64 TAUs, and 48 Raster Operation Units.

Compare those specs to the GeForce GTX 590, which comes with GPU clock speed of 607 MHz, and 1536 MB of GDDR5 RAM running at 855 MHz through a 384-bit bus. It also features 512 Stream Processors, 64 TAUs, and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 580 3GB 244 Watts
GeForce GTX 590 365 Watts
Difference: 121 Watts (50%)

Memory Bandwidth

The GeForce GTX 590 should in theory perform much faster than the GeForce GTX 580 3GB overall. (explain)

GeForce GTX 590 328320 MB/sec
GeForce GTX 580 3GB 192384 MB/sec
Difference: 135936 (71%)

Texel Rate

The GeForce GTX 590 should be much (approximately 57%) better at anisotropic filtering than the GeForce GTX 580 3GB. (explain)

GeForce GTX 590 77696 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 28288 (57%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 590 is a better choice, by a large margin. (explain)

GeForce GTX 590 58272 Mpixels/sec
GeForce GTX 580 3GB 37056 Mpixels/sec
Difference: 21216 (57%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 580 3GB

Amazon.com

GeForce GTX 590

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

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Model GeForce GTX 580 3GB GeForce GTX 590
Manufacturer nVidia nVidia
Year November 2010 March 2011
Code Name GF110 GF110
Memory 3072 MB 1536 MB (x2)
Core Speed 772 MHz 607 MHz (x2)
Memory Speed 4008 MHz 3420 MHz (x2)
Power (Max TDP) 244 watts 365 watts
Bandwidth 192384 MB/sec 328320 MB/sec
Texel Rate 49408 Mtexels/sec 77696 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 58272 Mpixels/sec
Unified Shaders 512 512 (x2)
Texture Mapping Units 64 64 (x2)
Render Output Units 48 48 (x2)
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit (x2)
Fab Process 40 nm 40 nm
Transistors 3000 million 3000 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one 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 colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

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