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Radeon HD 6850 vs Radeon RX 570

Intro

The Radeon HD 6850 features clock speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 960 SPUs along with 48 TAUs and 32 Rasterization Operator Units.

Compare all that to the Radeon RX 570, which makes use of a 14 nm design. AMD has clocked the core speed at 1168 MHz. The GDDR5 RAM runs at a speed of 1750 MHz on this model. It features 2048 SPUs as well as 128 Texture Address Units and 32 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 RX 570 12108 points
Radeon HD 6850 2395 points
Difference: 9713 (406%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6850 127 Watts
Radeon RX 570 150 Watts
Difference: 23 Watts (18%)

Memory Bandwidth

As far as performance goes, the Radeon RX 570 should theoretically be quite a bit better than the Radeon HD 6850 overall. (explain)

Radeon RX 570 229376 MB/sec
Radeon HD 6850 128000 MB/sec
Difference: 101376 (79%)

Texel Rate

The Radeon RX 570 will be quite a bit (about 302%) faster with regards to texture filtering than the Radeon HD 6850. (explain)

Radeon RX 570 149504 Mtexels/sec
Radeon HD 6850 37200 Mtexels/sec
Difference: 112304 (302%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 570 is superior to the Radeon HD 6850, by a large margin. (explain)

Radeon RX 570 37376 Mpixels/sec
Radeon HD 6850 24800 Mpixels/sec
Difference: 12576 (51%)

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

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Radeon RX 570

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 570
Manufacturer AMD AMD
Year October 2010 April 2017
Code Name Barts Pro Polaris 20
Memory 1024 MB 4096 MB
Core Speed 775 MHz 1168 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 127 watts 150 watts
Bandwidth 128000 MB/sec 229376 MB/sec
Texel Rate 37200 Mtexels/sec 149504 Mtexels/sec
Pixel Rate 24800 Mpixels/sec 37376 Mpixels/sec
Unified Shaders 960 2048
Texture Mapping Units 48 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 14 nm
Transistors 1700 million 5700 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: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output 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

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Radeon HD 6850

Amazon.com

Check prices at:

Radeon RX 570

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.

Comments

One Response to “Radeon HD 6850 vs Radeon RX 570”
dafunk_lull says:

rx570's configured with the 8 pin power connector Can run if a 6 pin is used instead. no where does it say this anywhere. you just cannot over clock it. infact down clocking it 5% to stay safe. and no stress testing other wise it works.

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