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GeForce GTX 260 216SP 55 nm vs Radeon HD 6850

Intro

The GeForce GTX 260 216SP 55 nm comes with a GPU core speed of 576 MHz, and the 896 MB of GDDR3 RAM runs at 999 MHz through a 448-bit bus. It also is comprised of 216 Stream Processors, 72 Texture Address Units, and 28 Raster Operation Units.

Compare all that to the Radeon HD 6850, which has a core clock frequency of 775 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It is made up of 960 SPUs, 48 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6850 127 Watts
GeForce GTX 260 216SP 55 nm 171 Watts
Difference: 44 Watts (35%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6850 should in theory be a little bit better than the GeForce GTX 260 216SP 55 nm in general. (explain)

Radeon HD 6850 128000 MB/sec
GeForce GTX 260 216SP 55 nm 111888 MB/sec
Difference: 16112 (14%)

Texel Rate

The GeForce GTX 260 216SP 55 nm should be just a bit (more or less 11%) more effective at AF than the Radeon HD 6850. (explain)

GeForce GTX 260 216SP 55 nm 41472 Mtexels/sec
Radeon HD 6850 37200 Mtexels/sec
Difference: 4272 (11%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 6850 is superior to the GeForce GTX 260 216SP 55 nm, by far. (explain)

Radeon HD 6850 24800 Mpixels/sec
GeForce GTX 260 216SP 55 nm 16128 Mpixels/sec
Difference: 8672 (54%)

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 260 216SP 55 nm

Amazon.com

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Radeon HD 6850

Amazon.com

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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 260 216SP 55 nm Radeon HD 6850
Manufacturer nVidia AMD
Year December 22, 2008 October 2010
Code Name G200b Barts Pro
Memory 896 MB 1024 MB
Core Speed 576 MHz 775 MHz
Memory Speed 1998 MHz 4000 MHz
Power (Max TDP) 171 watts 127 watts
Bandwidth 111888 MB/sec 128000 MB/sec
Texel Rate 41472 Mtexels/sec 37200 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 24800 Mpixels/sec
Unified Shaders 216 960
Texture Mapping Units 72 48
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 1700 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 (in units of MB per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, 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 video card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends 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 260 216SP 55 nm

Amazon.com

Check prices at:

Radeon HD 6850

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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