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Radeon HD 6850 vs Radeon RX 550

Intro

The Radeon HD 6850 has core clock 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 ROPs.

Compare those specs to the Radeon RX 550, which makes use of a 14 nm design. AMD has set the core speed at 1100 MHz. The GDDR5 memory runs at a speed of 1750 MHz on this particular card. It features 512 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator 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 RX 550 3507 points
Radeon HD 6850 2395 points
Difference: 1112 (46%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
Radeon HD 6850 127 Watts
Difference: 77 Watts (154%)

Memory Bandwidth

The Radeon HD 6850, in theory, should be a little bit faster than the Radeon RX 550 overall. (explain)

Radeon HD 6850 128000 MB/sec
Radeon RX 550 114688 MB/sec
Difference: 13312 (12%)

Texel Rate

The Radeon HD 6850 should be just a bit (about 6%) faster with regards to anisotropic filtering than the Radeon RX 550. (explain)

Radeon HD 6850 37200 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 2000 (6%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 6850 is a better choice, and very much so. (explain)

Radeon HD 6850 24800 Mpixels/sec
Radeon RX 550 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 RX 550

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 RX 550
Manufacturer AMD AMD
Year October 2010 April 2017
Code Name Barts Pro Polaris 12
Memory 1024 MB 2048 MB
Core Speed 775 MHz 1100 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 127 watts 50 watts
Bandwidth 128000 MB/sec 114688 MB/sec
Texel Rate 37200 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 24800 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 960 512
Texture Mapping Units 48 32
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 1700 million 2200 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

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

Display Prices

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Radeon HD 6850

Amazon.com

Check prices at:

Radeon RX 550

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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