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Radeon HD 5850 vs Radeon RX 550

Intro

The Radeon HD 5850 makes use of a 40 nm design. AMD has set the core frequency at 725 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this specific card. It features 1440(288x5) SPUs along with 72 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Radeon RX 550, which has a core clock frequency of 1100 MHz and a GDDR5 memory frequency of 1750 MHz. It also makes use of a 128-bit memory bus, and uses a 14 nm design. It features 512 SPUs, 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 in theory perform just a bit faster than the Radeon RX 550 in general. (explain)

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

Texel Rate

The Radeon HD 5850 should be quite a bit (about 48%) better at texture filtering than the Radeon RX 550. (explain)

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

Pixel Rate

The Radeon HD 5850 is much (approximately 32%) more effective at FSAA than the Radeon RX 550, and also should be capable of handling higher resolutions without losing too much performance. (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: Memory bandwidth is the max amount of data (measured in MB per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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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.

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