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Radeon HD 5850 vs Radeon RX 470 4GB

Intro

The Radeon HD 5850 comes with a clock frequency of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 256-bit bus, and uses a 40 nm design. It is made up of 1440(288x5) SPUs, 72 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon RX 470 4GB, which makes use of a 14 nm design. AMD has clocked the core frequency at 926 MHz. The GDDR5 memory is set to run at a frequency of 1650 MHz on this particular model. It features 2048 SPUs as well as 128 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB 120 Watts
Radeon HD 5850 151 Watts
Difference: 31 Watts (26%)

Memory Bandwidth

Theoretically, the Radeon RX 470 4GB should be much faster than the Radeon HD 5850 in general. (explain)

Radeon RX 470 4GB 211200 MB/sec
Radeon HD 5850 128000 MB/sec
Difference: 83200 (65%)

Texel Rate

The Radeon RX 470 4GB will be quite a bit (about 127%) better at anisotropic filtering than the Radeon HD 5850. (explain)

Radeon RX 470 4GB 118528 Mtexels/sec
Radeon HD 5850 52200 Mtexels/sec
Difference: 66328 (127%)

Pixel Rate

The Radeon RX 470 4GB will be much (approximately 28%) better at full screen anti-aliasing than the Radeon HD 5850, and will be capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 470 4GB 29632 Mpixels/sec
Radeon HD 5850 23200 Mpixels/sec
Difference: 6432 (28%)

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 5850

Amazon.com

Check prices at:

Radeon RX 470 4GB

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 5850 Radeon RX 470 4GB
Manufacturer AMD AMD
Year September 30, 2009 August 2016
Code Name Cypress PRO Polaris 10
Memory 1024 MB 4096 MB
Core Speed 725 MHz 926 MHz
Memory Speed 4000 MHz 6600 MHz
Power (Max TDP) 151 watts 120 watts
Bandwidth 128000 MB/sec 211200 MB/sec
Texel Rate 52200 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 23200 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 1440(288x5) 2048
Texture Mapping Units 72 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 14 nm
Transistors 2154 million 5700 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 3.2 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that 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 Render Output Units by the clock speed of the card. 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 - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5850

Amazon.com

Check prices at:

Radeon RX 470 4GB

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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