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GeForce GTX 285 2GB vs GeForce GTX 590

Intro

The GeForce GTX 285 2GB features a core clock frequency of 648 MHz and a GDDR3 memory frequency of 1242 MHz. It also uses a 512-bit bus, and uses a 55 nm design. It features 240 SPUs, 80 TAUs, and 32 ROPs.

Compare all that to the GeForce GTX 590, which features core speeds of 607 MHz on the GPU, and 855 MHz on the 1536 MB of GDDR5 memory. It features 512 SPUs as well as 64 TAUs and 48 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 285 2GB 204 Watts
GeForce GTX 590 365 Watts
Difference: 161 Watts (79%)

Memory Bandwidth

In theory, the GeForce GTX 590 should be quite a bit faster than the GeForce GTX 285 2GB overall. (explain)

GeForce GTX 590 328320 MB/sec
GeForce GTX 285 2GB 158976 MB/sec
Difference: 169344 (107%)

Texel Rate

The GeForce GTX 590 is much (approximately 50%) more effective at anisotropic filtering than the GeForce GTX 285 2GB. (explain)

GeForce GTX 590 77696 Mtexels/sec
GeForce GTX 285 2GB 51840 Mtexels/sec
Difference: 25856 (50%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 590 is the winner, by a large margin. (explain)

GeForce GTX 590 58272 Mpixels/sec
GeForce GTX 285 2GB 20736 Mpixels/sec
Difference: 37536 (181%)

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 285 2GB

Amazon.com

Check prices at:

GeForce GTX 590

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.

Specifications

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Model GeForce GTX 285 2GB GeForce GTX 590
Manufacturer nVidia nVidia
Year January 15, 2009 March 2011
Code Name G200b GF110
Memory 2048 MB 1536 MB (x2)
Core Speed 648 MHz 607 MHz (x2)
Memory Speed 2484 MHz 3420 MHz (x2)
Power (Max TDP) 204 watts 365 watts
Bandwidth 158976 MB/sec 328320 MB/sec
Texel Rate 51840 Mtexels/sec 77696 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 58272 Mpixels/sec
Unified Shaders 240 512 (x2)
Texture Mapping Units 80 64 (x2)
Render Output Units 32 48 (x2)
Bus Type GDDR3 GDDR5
Bus Width 512-bit 384-bit (x2)
Fab Process 55 nm 40 nm
Transistors 1400 million 3000 million
Bus PCIe x16 2.0 PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 285 2GB

Amazon.com

Check prices at:

GeForce GTX 590

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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