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GeForce GTX 260 216SP 55 nm vs Radeon HD 6870

Intro

The GeForce GTX 260 216SP 55 nm has a core clock frequency of 576 MHz and a GDDR3 memory frequency of 999 MHz. It also makes use of a 448-bit memory bus, and uses a 55 nm design. It is comprised of 216 SPUs, 72 TAUs, and 28 Raster Operation Units.

Compare all that to the Radeon HD 6870, which uses a 40 nm design. AMD has set the core speed at 900 MHz. The GDDR5 RAM works at a speed of 1050 MHz on this particular model. It features 1120 SPUs along with 56 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6870 151 Watts
GeForce GTX 260 216SP 55 nm 171 Watts
Difference: 20 Watts (13%)

Memory Bandwidth

In theory, the Radeon HD 6870 should be 20% quicker than the GeForce GTX 260 216SP 55 nm in general, due to its greater bandwidth. (explain)

Radeon HD 6870 134400 MB/sec
GeForce GTX 260 216SP 55 nm 111888 MB/sec
Difference: 22512 (20%)

Texel Rate

The Radeon HD 6870 will be much (more or less 22%) more effective at texture filtering than the GeForce GTX 260 216SP 55 nm. (explain)

Radeon HD 6870 50400 Mtexels/sec
GeForce GTX 260 216SP 55 nm 41472 Mtexels/sec
Difference: 8928 (22%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 6870 is superior to the GeForce GTX 260 216SP 55 nm, by far. (explain)

Radeon HD 6870 28800 Mpixels/sec
GeForce GTX 260 216SP 55 nm 16128 Mpixels/sec
Difference: 12672 (79%)

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

Check prices at:

Radeon HD 6870

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 260 216SP 55 nm Radeon HD 6870
Manufacturer nVidia AMD
Year December 22, 2008 October 2010
Code Name G200b Barts XT
Memory 896 MB 1024 MB
Core Speed 576 MHz 900 MHz
Memory Speed 1998 MHz 4200 MHz
Power (Max TDP) 171 watts 151 watts
Bandwidth 111888 MB/sec 134400 MB/sec
Texel Rate 41472 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 216 1120
Texture Mapping Units 72 56
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 megabytes per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total 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 one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 260 216SP 55 nm

Amazon.com

Check prices at:

Radeon HD 6870

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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