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Radeon HD 5550 vs Radeon R9 380 2G

Intro

The Radeon HD 5550 comes with a GPU clock speed of 550 MHz, and the 512 MB of DDR2 RAM is set to run at 400 MHz through a 128-bit bus. It also is comprised of 320(64x5) SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specs to the Radeon R9 380 2G, which comes with a GPU core clock speed of 970 MHz, and 2048 MB of GDDR5 memory set to run at 1425 MHz through a 256-bit bus. It also is comprised of 1792 SPUs, 112 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 380 2G should theoretically be a lot faster than the Radeon HD 5550 in general. (explain)

Radeon R9 380 2G 182400 MB/sec
Radeon HD 5550 12800 MB/sec
Difference: 169600 (1325%)

Texel Rate

The Radeon R9 380 2G will be a lot (approximately 1135%) better at texture filtering than the Radeon HD 5550. (explain)

Radeon R9 380 2G 108640 Mtexels/sec
Radeon HD 5550 8800 Mtexels/sec
Difference: 99840 (1135%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 380 2G is a better choice, by a large margin. (explain)

Radeon R9 380 2G 31040 Mpixels/sec
Radeon HD 5550 4400 Mpixels/sec
Difference: 26640 (605%)

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 5550

Amazon.com

Check prices at:

Radeon R9 380 2G

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 5550 Radeon R9 380 2G
Manufacturer AMD AMD
Year February 9, 2010 June 2015
Code Name Redwood LE Antigua PRO
Memory 512 MB 2048 MB
Core Speed 550 MHz 970 MHz
Memory Speed 800 MHz 5700 MHz
Power (Max TDP) (Unknown) watts 190 watts
Bandwidth 12800 MB/sec 182400 MB/sec
Texel Rate 8800 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 320(64x5) 1792
Texture Mapping Units 16 112
Render Output Units 8 32
Bus Type DDR2 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 627 million 5000 million
Bus PCIe 2.1 x16 PCIe 3.0 ×16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 3.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon HD 5550

Amazon.com

Check prices at:

Radeon R9 380 2G

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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