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Radeon HD 5550 vs Radeon R7 250X 2GB

Intro

The Radeon HD 5550 makes use of a 40 nm design. AMD has clocked the core frequency at 550 MHz. The DDR2 RAM works at a frequency of 400 MHz on this particular model. It features 320(64x5) SPUs along with 16 Texture Address Units and 8 ROPs.

Compare those specs to the Radeon R7 250X 2GB, which uses a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 RAM is set to run at a speed of 1125 MHz on this model. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R7 250X 2GB should be 463% quicker than the Radeon HD 5550 in general, due to its greater bandwidth. (explain)

Radeon R7 250X 2GB 72000 MB/sec
Radeon HD 5550 12800 MB/sec
Difference: 59200 (463%)

Texel Rate

The Radeon R7 250X 2GB will be much (more or less 355%) better at anisotropic filtering than the Radeon HD 5550. (explain)

Radeon R7 250X 2GB 40000 Mtexels/sec
Radeon HD 5550 8800 Mtexels/sec
Difference: 31200 (355%)

Pixel Rate

The Radeon R7 250X 2GB should be much (about 264%) faster with regards to anti-aliasing than the Radeon HD 5550, and should be capable of handling higher screen resolutions better. (explain)

Radeon R7 250X 2GB 16000 Mpixels/sec
Radeon HD 5550 4400 Mpixels/sec
Difference: 11600 (264%)

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 R7 250X 2GB

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 R7 250X 2GB
Manufacturer AMD AMD
Year February 9, 2010 February 2014
Code Name Redwood LE Cape Verde XT
Memory 512 MB 2048 MB
Core Speed 550 MHz 1000 MHz
Memory Speed 800 MHz 4500 MHz
Power (Max TDP) (Unknown) watts 95 watts
Bandwidth 12800 MB/sec 72000 MB/sec
Texel Rate 8800 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 320(64x5) 640
Texture Mapping Units 16 40
Render Output Units 8 16
Bus Type DDR2 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 627 million 1500 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few 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 HD 5550

Amazon.com

Check prices at:

Radeon R7 250X 2GB

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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