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Radeon RX 460 2GB vs Radeon RX 550

Intro

The Radeon RX 460 2GB features a GPU clock speed of 1090 MHz, and the 2048 MB of GDDR5 memory is set to run at 1750 MHz through a 128-bit bus. It also is comprised of 896 SPUs, 56 TAUs, and 16 ROPs.

Compare those specs to the Radeon RX 550, which uses a 14 nm design. AMD has clocked the core frequency at 1100 MHz. The GDDR5 memory runs at a speed of 1750 MHz on this specific card. It features 512 SPUs along with 32 Texture Address Units and 16 Rasterization Operator Units.

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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

In theory, the Radeon RX 550 should perform a small bit faster than the Radeon RX 460 2GB in general. (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 a lot (more or less 73%) more effective at texture filtering than the Radeon RX 550. (explain)

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

Pixel Rate

The Radeon RX 550 is a small bit (more or less 1%) more effective at full screen anti-aliasing than the Radeon RX 460 2GB, and capable of handling higher screen resolutions while still performing well. (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: Bandwidth is the largest amount of information (in units of MB per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 can be applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the graphics 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 maximum number of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core 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 fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max 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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