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GeForce GTX 285 2GB vs Radeon HD 5970

Intro

The GeForce GTX 285 2GB features a GPU core clock speed of 648 MHz, and the 2048 MB of GDDR3 memory runs at 1242 MHz through a 512-bit bus. It also is made up of 240 SPUs, 80 TAUs, and 32 ROPs.

Compare all that to the Radeon HD 5970, which makes use of a 40 nm design. AMD has clocked the core frequency at 725 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this specific model. It features 1600 SPUs along with 160 TAUs and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 285 2GB 204 Watts
Radeon HD 5970 294 Watts
Difference: 90 Watts (44%)

Memory Bandwidth

The Radeon HD 5970 should in theory perform quite a bit faster than the GeForce GTX 285 2GB in general. (explain)

Radeon HD 5970 256000 MB/sec
GeForce GTX 285 2GB 158976 MB/sec
Difference: 97024 (61%)

Texel Rate

The Radeon HD 5970 is much (approximately 348%) faster with regards to texture filtering than the GeForce GTX 285 2GB. (explain)

Radeon HD 5970 232000 Mtexels/sec
GeForce GTX 285 2GB 51840 Mtexels/sec
Difference: 180160 (348%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 5970 is superior to the GeForce GTX 285 2GB, by far. (explain)

Radeon HD 5970 92800 Mpixels/sec
GeForce GTX 285 2GB 20736 Mpixels/sec
Difference: 72064 (348%)

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:

Radeon HD 5970

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 Radeon HD 5970
Manufacturer nVidia AMD
Year January 15, 2009 November 2009
Code Name G200b Hemlock XT
Memory 2048 MB 1024 MB (x2)
Core Speed 648 MHz 725 MHz (x2)
Memory Speed 2484 MHz 4000 MHz (x2)
Power (Max TDP) 204 watts 294 watts
Bandwidth 158976 MB/sec 256000 MB/sec
Texel Rate 51840 Mtexels/sec 232000 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 92800 Mpixels/sec
Unified Shaders 240 1600 (x2)
Texture Mapping Units 80 160 (x2)
Render Output Units 32 64 (x2)
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit (x2)
Fab Process 55 nm 40 nm
Transistors 1400 million 2154 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (counted in MB per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 285 2GB

Amazon.com

Check prices at:

Radeon HD 5970

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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