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Radeon HD 6850 vs Radeon R7 260X

Intro

The Radeon HD 6850 makes use of a 40 nm design. AMD has clocked the core frequency at 775 MHz. The GDDR5 RAM works at a frequency of 1000 MHz on this specific card. It features 960 SPUs along with 48 Texture Address Units and 32 ROPs.

Compare all that to the Radeon R7 260X, which comes with GPU clock speed of 1100 MHz, and 2048 MB of GDDR5 memory running at 1625 MHz through a 128-bit bus. It also features 896 Stream Processors, 56 TAUs, and 16 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R7 260X 4381 points
Radeon HD 6850 2395 points
Difference: 1986 (83%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X 115 Watts
Radeon HD 6850 127 Watts
Difference: 12 Watts (10%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6850 will be 23% quicker than the Radeon R7 260X overall, because of its higher data rate. (explain)

Radeon HD 6850 128000 MB/sec
Radeon R7 260X 104000 MB/sec
Difference: 24000 (23%)

Texel Rate

The Radeon R7 260X will be much (about 66%) faster with regards to texture filtering than the Radeon HD 6850. (explain)

Radeon R7 260X 61600 Mtexels/sec
Radeon HD 6850 37200 Mtexels/sec
Difference: 24400 (66%)

Pixel Rate

The Radeon HD 6850 should be a lot (approximately 41%) faster with regards to AA than the Radeon R7 260X, and also should be able to handle higher screen resolutions better. (explain)

Radeon HD 6850 24800 Mpixels/sec
Radeon R7 260X 17600 Mpixels/sec
Difference: 7200 (41%)

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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Radeon HD 6850

Amazon.com

Check prices at:

Radeon R7 260X

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 Radeon HD 6850 Radeon R7 260X
Manufacturer AMD AMD
Year October 2010 October 2013
Code Name Barts Pro Bonaire XTX
Memory 1024 MB 2048 MB
Core Speed 775 MHz 1100 MHz
Memory Speed 4000 MHz 6500 MHz
Power (Max TDP) 127 watts 115 watts
Bandwidth 128000 MB/sec 104000 MB/sec
Texel Rate 37200 Mtexels/sec 61600 Mtexels/sec
Pixel Rate 24800 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 960 896
Texture Mapping Units 48 56
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1700 million 2080 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be moved across the external memory interface in a second. It is calculated by multiplying the interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 6850

Amazon.com

Check prices at:

Radeon R7 260X

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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