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GeForce GTX 285 1GB vs GeForce GTX 590

Intro

The GeForce GTX 285 1GB makes use of a 55 nm design. nVidia has clocked the core speed at 648 MHz. The GDDR3 RAM is set to run at a speed of 1242 MHz on this specific card. It features 240 SPUs as well as 80 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the GeForce GTX 590, which has a clock frequency of 607 MHz and a GDDR5 memory speed of 855 MHz. It also features 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 1GB 204 Watts
GeForce GTX 590 365 Watts
Difference: 161 Watts (79%)

Memory Bandwidth

Performance-wise, the GeForce GTX 590 should theoretically be quite a bit superior to the GeForce GTX 285 1GB in general. (explain)

GeForce GTX 590 328320 MB/sec
GeForce GTX 285 1GB 158976 MB/sec
Difference: 169344 (107%)

Texel Rate

The GeForce GTX 590 will be much (more or less 50%) faster with regards to AF than the GeForce GTX 285 1GB. (explain)

GeForce GTX 590 77696 Mtexels/sec
GeForce GTX 285 1GB 51840 Mtexels/sec
Difference: 25856 (50%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 590 is superior to the GeForce GTX 285 1GB, and very much so. (explain)

GeForce GTX 590 58272 Mpixels/sec
GeForce GTX 285 1GB 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 1GB

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 1GB GeForce GTX 590
Manufacturer nVidia nVidia
Year January 15, 2009 March 2011
Code Name G200b GF110
Memory 1024 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 max amount of information (in units of MB per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 amount of texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card 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 - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

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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