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Radeon HD 6850 vs Radeon RX 570

Intro

The Radeon HD 6850 makes use of a 40 nm design. AMD has clocked the core speed at 775 MHz. The GDDR5 memory works at a speed of 1000 MHz on this specific model. It features 960 SPUs as well as 48 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon RX 570, which comes with core clock speeds of 1168 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs along with 128 Texture Address Units and 32 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 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 in theory be quite a bit superior to the Radeon HD 6850 in general. (explain)

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

Texel Rate

The Radeon RX 570 is a lot (about 302%) faster with regards to AF 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 a high resolution is important to you, then the Radeon RX 570 is a better choice, by far. (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 information (in units of MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

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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