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GeForce GTX 260 Core 216 vs Radeon HD 6850

Intro

The GeForce GTX 260 Core 216 has a GPU core clock speed of 576 MHz, and the 896 MB of GDDR3 RAM is set to run at 999 MHz through a 448-bit bus. It also is comprised of 216 SPUs, 72 TAUs, and 28 ROPs.

Compare all that to the Radeon HD 6850, which features a core clock speed of 775 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 256-bit bus, and makes use of a 40 nm design. It is comprised of 960 SPUs, 48 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6850 127 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 75 Watts (59%)

Memory Bandwidth

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

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

Texel Rate

The GeForce GTX 260 Core 216 should be just a bit (approximately 11%) faster with regards to anisotropic filtering than the Radeon HD 6850. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 6850 is superior to the GeForce GTX 260 Core 216, and very much so. (explain)

Radeon HD 6850 24800 Mpixels/sec
GeForce GTX 260 Core 216 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 Core 216

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.

Specifications

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Model GeForce GTX 260 Core 216 Radeon HD 6850
Manufacturer nVidia AMD
Year September 16, 2008 October 2010
Code Name G200 Barts Pro
Memory 896 MB 1024 MB
Core Speed 576 MHz 775 MHz
Memory Speed 1998 MHz 4000 MHz
Power (Max TDP) 202 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 65 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: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. 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 amount of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, 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 chip could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. 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 many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 260 Core 216

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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