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Radeon RX 460 2GB vs Radeon RX 550

Intro

The Radeon RX 460 2GB comes with a core clock frequency of 1090 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 128-bit bus, and uses a 14 nm design. It is made up of 896 SPUs, 56 TAUs, and 16 Raster Operation Units.

Compare those specs to the Radeon RX 550, which comes with a GPU core clock speed of 1100 MHz, and 2048 MB of GDDR5 memory set to run at 1750 MHz through a 128-bit bus. It also is made up of 512 Stream Processors, 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 RX 460 2GB 75 Watts
Difference: 25 Watts (50%)

Memory Bandwidth

Performance-wise, the Radeon RX 550 should in theory be a little bit superior to the Radeon RX 460 2GB overall. (explain)

Radeon RX 550 114688 MB/sec
Radeon RX 460 2GB 112000 MB/sec
Difference: 2688 (2%)

Texel Rate

The Radeon RX 460 2GB will be much (about 73%) more effective at AF than the Radeon RX 550. (explain)

Radeon RX 460 2GB 61040 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 25840 (73%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 550 is the winner, but only just. (explain)

Radeon RX 550 17600 Mpixels/sec
Radeon RX 460 2GB 17440 Mpixels/sec
Difference: 160 (1%)

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 RX 460 2GB

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 RX 460 2GB Radeon RX 550
Manufacturer AMD AMD
Year August 2016 April 2017
Code Name Polaris 11 Polaris 12
Memory 2048 MB 2048 MB
Core Speed 1090 MHz 1100 MHz
Memory Speed 7000 MHz 7000 MHz
Power (Max TDP) 75 watts 50 watts
Bandwidth 112000 MB/sec 114688 MB/sec
Texel Rate 61040 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 17440 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 896 512
Texture Mapping Units 56 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 14 nm 14 nm
Transistors 3000 million 2200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's 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 texture map elements (texels) that can be processed per second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon RX 460 2GB

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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