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Radeon HD 6850 vs Radeon R7 240

Intro

The Radeon HD 6850 comes with core speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 960 SPUs as well as 48 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon R7 240, which features GPU core speed of 730 MHz, and 2048 MB of DDR3 RAM set to run at 900 MHz through a 128-bit bus. It also features 320 Stream Processors, 20 TAUs, and 8 ROPs.

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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 HD 6850 2395 points
Radeon R7 240 1218 points
Difference: 1177 (97%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
Radeon HD 6850 127 Watts
Difference: 97 Watts (323%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6850 will be 344% quicker than the Radeon R7 240 in general, because of its greater data rate. (explain)

Radeon HD 6850 128000 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 99200 (344%)

Texel Rate

The Radeon HD 6850 is quite a bit (approximately 155%) better at anisotropic filtering than the Radeon R7 240. (explain)

Radeon HD 6850 37200 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 22600 (155%)

Pixel Rate

The Radeon HD 6850 will be a lot (more or less 325%) more effective at anti-aliasing than the Radeon R7 240, and able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 6850 24800 Mpixels/sec
Radeon R7 240 5840 Mpixels/sec
Difference: 18960 (325%)

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 240

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 240
Manufacturer AMD AMD
Year October 2010 October 2013
Code Name Barts Pro Oland PRO
Memory 1024 MB 2048 MB
Core Speed 775 MHz 730 MHz
Memory Speed 4000 MHz 1800 MHz
Power (Max TDP) 127 watts 30 watts
Bandwidth 128000 MB/sec 28800 MB/sec
Texel Rate 37200 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 24800 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 960 320
Texture Mapping Units 48 20
Render Output Units 32 8
Bus Type GDDR5 DDR3
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1700 million 1040 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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, 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 number of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs 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 rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 6850

Amazon.com

Check prices at:

Radeon R7 240

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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