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Radeon HD 6850 vs Radeon RX 460


Intro

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

Compare all that to the Radeon RX 460, which uses a 14 nm design. AMD has clocked the core speed at 1090 MHz. The GDDR5 RAM is set to run at a speed of 1750 MHz on this card. It features 896 SPUs along with 56 TAUs 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 460 5600 points
Radeon HD 6850 2395 points
Difference: 3205 (134%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
Radeon HD 6850 127 Watts
Difference: 52 Watts (69%)

Memory Bandwidth

Performance-wise, the Radeon HD 6850 should theoretically be a small bit better than the Radeon RX 460 overall. (explain)

Radeon HD 6850 128000 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 16000 (14%)

Texel Rate

The Radeon RX 460 should be a lot (approximately 64%) faster with regards to anisotropic filtering than the Radeon HD 6850. (explain)

Radeon RX 460 61040 Mtexels/sec
Radeon HD 6850 37200 Mtexels/sec
Difference: 23840 (64%)

Pixel Rate

The Radeon HD 6850 will be a lot (more or less 42%) more effective at FSAA than the Radeon RX 460, and will be able to handle higher resolutions without slowing down too much. (explain)

Radeon HD 6850 24800 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 7360 (42%)

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

Radeon RX 460

Amazon.com

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 460
Manufacturer AMD AMD
Year October 2010 August 2016
Code Name Barts Pro Polaris 11
Memory 1024 MB 4096 MB
Core Speed 775 MHz 1090 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 127 watts 75 watts
Bandwidth 128000 MB/sec 112000 MB/sec
Texel Rate 37200 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 24800 Mpixels/sec 17440 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 14 nm
Transistors 1700 million 3000 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 information (counted in megabytes per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 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, HDR and higher screen 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 texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could 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 Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few 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

Radeon RX 460

Amazon.com

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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