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GeForce GTX 285 1GB vs Radeon HD 6970

Intro

The GeForce GTX 285 1GB comes with clock speeds of 648 MHz on the GPU, and 1242 MHz on the 1024 MB of GDDR3 RAM. It features 240 SPUs along with 80 TAUs and 32 ROPs.

Compare all of that to the Radeon HD 6970, which comes with clock speeds of 880 MHz on the GPU, and 1375 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs as well as 96 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 285 1GB 204 Watts
Radeon HD 6970 250 Watts
Difference: 46 Watts (23%)

Memory Bandwidth

Theoretically, the Radeon HD 6970 should perform a little bit faster than the GeForce GTX 285 1GB overall. (explain)

Radeon HD 6970 176000 MB/sec
GeForce GTX 285 1GB 158976 MB/sec
Difference: 17024 (11%)

Texel Rate

The Radeon HD 6970 should be a lot (more or less 63%) more effective at AF than the GeForce GTX 285 1GB. (explain)

Radeon HD 6970 84480 Mtexels/sec
GeForce GTX 285 1GB 51840 Mtexels/sec
Difference: 32640 (63%)

Pixel Rate

The Radeon HD 6970 will be a lot (about 36%) better at anti-aliasing than the GeForce GTX 285 1GB, and capable of handling higher resolutions while still performing well. (explain)

Radeon HD 6970 28160 Mpixels/sec
GeForce GTX 285 1GB 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 1GB

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 1GB Radeon HD 6970
Manufacturer nVidia AMD
Year January 15, 2009 December 2010
Code Name G200b Cayman XT
Memory 1024 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 largest amount of information (in units of megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 can be processed per second. This figure is calculated by multiplying the total number 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines 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, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

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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