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GeForce GTX 470 vs GeForce GTX 580 3GB

Intro

The GeForce GTX 470 features a GPU core clock speed of 607 MHz, and the 1280 MB of GDDR5 RAM runs at 837 MHz through a 320-bit bus. It also is made up of 448 Stream Processors, 56 TAUs, and 40 ROPs.

Compare all of that to the GeForce GTX 580 3GB, which has a core clock frequency of 772 MHz and a GDDR5 memory frequency of 1002 MHz. It also uses a 384-bit memory bus, and makes use of a 40 nm design. It is comprised of 512 SPUs, 64 TAUs, and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 470 215 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 29 Watts (13%)

Memory Bandwidth

The GeForce GTX 580 3GB should theoretically be a lot faster than the GeForce GTX 470 in general. (explain)

GeForce GTX 580 3GB 192384 MB/sec
GeForce GTX 470 133920 MB/sec
Difference: 58464 (44%)

Texel Rate

The GeForce GTX 580 3GB will be much (approximately 45%) better at anisotropic filtering than the GeForce GTX 470. (explain)

GeForce GTX 580 3GB 49408 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 15416 (45%)

Pixel Rate

The GeForce GTX 580 3GB should be a lot (approximately 53%) faster with regards to anti-aliasing than the GeForce GTX 470, and should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
GeForce GTX 470 24280 Mpixels/sec
Difference: 12776 (53%)

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 470

Amazon.com

GeForce GTX 580 3GB

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 470 GeForce GTX 580 3GB
Manufacturer nVidia nVidia
Year March 2010 November 2010
Code Name GF100 GF110
Memory 1280 MB 3072 MB
Core Speed 607 MHz 772 MHz
Memory Speed 3348 MHz 4008 MHz
Power (Max TDP) 215 watts 244 watts
Bandwidth 133920 MB/sec 192384 MB/sec
Texel Rate 33992 Mtexels/sec 49408 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 37056 Mpixels/sec
Unified Shaders 448 512
Texture Mapping Units 56 64
Render Output Units 40 48
Bus Type GDDR5 GDDR5
Bus Width 320-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: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. 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 can be processed in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

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