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GeForce GTX 285 2GB vs GeForce GTX 590

Intro

The GeForce GTX 285 2GB has a GPU core clock speed of 648 MHz, and the 2048 MB of GDDR3 RAM is set to run at 1242 MHz through a 512-bit bus. It also is made up of 240 Stream Processors, 80 TAUs, and 32 Raster Operation Units.

Compare all that to the GeForce GTX 590, which comes with a core clock speed of 607 MHz and a GDDR5 memory frequency of 855 MHz. It also uses a 384-bit memory bus, and uses a 40 nm design. It features 512 SPUs, 64 Texture Address Units, 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

As far as performance goes, the GeForce GTX 590 should in theory be quite a bit superior to 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 should be a lot (about 50%) better at texture 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

The GeForce GTX 590 will be much (more or less 181%) better at full screen anti-aliasing than the GeForce GTX 285 2GB, and capable of handling higher resolutions while still performing well. (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 maximum amount of information (measured in MB per second) that can be transported across the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, it 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, 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 graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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 ability to reach the maximum 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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