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Radeon HD 5850 vs Radeon RX 550

Intro

The Radeon HD 5850 comes with core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1440(288x5) SPUs as well as 72 Texture Address Units and 32 ROPs.

Compare all that to the Radeon RX 550, which uses a 14 nm design. AMD has clocked the core speed at 1100 MHz. The GDDR5 RAM is set to run at a frequency of 1750 MHz on this specific model. It features 512 SPUs as well as 32 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
Radeon HD 5850 151 Watts
Difference: 101 Watts (202%)

Memory Bandwidth

The Radeon HD 5850 should theoretically be a bit faster than the Radeon RX 550 overall. (explain)

Radeon HD 5850 128000 MB/sec
Radeon RX 550 114688 MB/sec
Difference: 13312 (12%)

Texel Rate

The Radeon HD 5850 will be a lot (more or less 48%) better at AF than the Radeon RX 550. (explain)

Radeon HD 5850 52200 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 17000 (48%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 5850 is a better choice, by a large margin. (explain)

Radeon HD 5850 23200 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 5600 (32%)

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 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 5850 Radeon RX 550
Manufacturer AMD AMD
Year September 30, 2009 April 2017
Code Name Cypress PRO Polaris 12
Memory 1024 MB 2048 MB
Core Speed 725 MHz 1100 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 151 watts 50 watts
Bandwidth 128000 MB/sec 114688 MB/sec
Texel Rate 52200 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 23200 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 1440(288x5) 512
Texture Mapping Units 72 32
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 2154 million 2200 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: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, 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 figure is calculated by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, 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 most pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 5850

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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