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Radeon R9 M265X vs Radeon RX 550

Intro

The Radeon R9 M265X makes use of a 28 nm design. AMD has set the core frequency at 575 MHz. The GDDR5 memory works at a speed of 1125 MHz on this card. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Compare those specs to the Radeon RX 550, which has GPU clock speed of 1100 MHz, and 2048 MB of GDDR5 RAM running at 1750 MHz through a 128-bit bus. It also is made up of 512 Stream Processors, 32 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon RX 550 will be 59% quicker than the Radeon R9 M265X overall, because of its greater data rate. (explain)

Radeon RX 550 114688 MB/sec
Radeon R9 M265X 72000 MB/sec
Difference: 42688 (59%)

Texel Rate

The Radeon RX 550 will be much (about 53%) faster with regards to anisotropic filtering than the Radeon R9 M265X. (explain)

Radeon RX 550 35200 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 12200 (53%)

Pixel Rate

The Radeon RX 550 is quite a bit (approximately 91%) better at AA than the Radeon R9 M265X, and will be capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 550 17600 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 8400 (91%)

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 R9 M265X

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 R9 M265X Radeon RX 550
Manufacturer AMD AMD
Year May 1 2014 April 2017
Code Name Venus Pro Polaris 12
Memory 2048 MB 2048 MB
Core Speed 575 MHz 1100 MHz
Memory Speed 4500 MHz 7000 MHz
Power (Max TDP) (Unknown) watts 50 watts
Bandwidth 72000 MB/sec 114688 MB/sec
Texel Rate 23000 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 9200 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 640 512
Texture Mapping Units 40 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 14 nm
Transistors (Unknown) million 2200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it must 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 AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

Radeon R9 M265X

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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