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GeForce GTX 285 2GB vs Radeon HD 6970

Intro

The GeForce GTX 285 2GB makes use of a 55 nm design. nVidia has set the core frequency at 648 MHz. The GDDR3 memory runs at a frequency of 1242 MHz on this particular card. It features 240 SPUs along with 80 TAUs and 32 ROPs.

Compare those specifications to the Radeon HD 6970, which comes with a core clock speed of 880 MHz and a GDDR5 memory frequency of 1375 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It is made up of 1536 SPUs, 96 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 285 2GB 204 Watts
Radeon HD 6970 250 Watts
Difference: 46 Watts (23%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6970 should theoretically be a little bit better than the GeForce GTX 285 2GB in general. (explain)

Radeon HD 6970 176000 MB/sec
GeForce GTX 285 2GB 158976 MB/sec
Difference: 17024 (11%)

Texel Rate

The Radeon HD 6970 should be quite a bit (more or less 63%) more effective at anisotropic filtering than the GeForce GTX 285 2GB. (explain)

Radeon HD 6970 84480 Mtexels/sec
GeForce GTX 285 2GB 51840 Mtexels/sec
Difference: 32640 (63%)

Pixel Rate

The Radeon HD 6970 should be much (more or less 36%) faster with regards to FSAA than the GeForce GTX 285 2GB, and also capable of handling higher screen resolutions more effectively. (explain)

Radeon HD 6970 28160 Mpixels/sec
GeForce GTX 285 2GB 20736 Mpixels/sec
Difference: 7424 (36%)

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 285 2GB

Amazon.com

Check prices at:

Radeon HD 6970

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 6970
Manufacturer nVidia AMD
Year January 15, 2009 December 2010
Code Name G200b Cayman XT
Memory 2048 MB 2048 MB
Core Speed 648 MHz 880 MHz
Memory Speed 2484 MHz 5500 MHz
Power (Max TDP) 204 watts 250 watts
Bandwidth 158976 MB/sec 176000 MB/sec
Texel Rate 51840 Mtexels/sec 84480 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 28160 Mpixels/sec
Unified Shaders 240 1536
Texture Mapping Units 80 96
Render Output Units 32 32
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 2640 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total texture units of the card by the core clock 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 processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the clock 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 lots of other factors, most notably the memory bandwidth - the lower the memory 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:

Radeon HD 6970

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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