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Radeon HD 5750 1GB vs Radeon R9 M280X

Intro

The Radeon HD 5750 1GB comes with a GPU core speed of 700 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1150 MHz through a 128-bit bus. It also is comprised of 720(144x5) Stream Processors, 36 TAUs, and 16 Raster Operation Units.

Compare those specs to the Radeon R9 M280X, which features a GPU core clock speed of 900 MHz, and 4096 MB of GDDR5 memory running at 1375 MHz through a 128-bit bus. It also features 896 Stream Processors, 56 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M280X 75 Watts
Radeon HD 5750 1GB 86 Watts
Difference: 11 Watts (15%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 M280X should be 20% quicker than the Radeon HD 5750 1GB overall, because of its greater bandwidth. (explain)

Radeon R9 M280X 88000 MB/sec
Radeon HD 5750 1GB 73600 MB/sec
Difference: 14400 (20%)

Texel Rate

The Radeon R9 M280X will be a lot (more or less 100%) more effective at AF than the Radeon HD 5750 1GB. (explain)

Radeon R9 M280X 50400 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 25200 (100%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 M280X is the winner, by far. (explain)

Radeon R9 M280X 14400 Mpixels/sec
Radeon HD 5750 1GB 11200 Mpixels/sec
Difference: 3200 (29%)

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 5750 1GB

Amazon.com

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Radeon R9 M280X

Amazon.com

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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 5750 1GB Radeon R9 M280X
Manufacturer AMD AMD
Year October 13, 2009 Feb 9 2015
Code Name Juniper LE Saturn XT
Memory 1024 MB 4096 MB
Core Speed 700 MHz 900 MHz
Memory Speed 4600 MHz 5500 MHz
Power (Max TDP) 86 watts 75 watts
Bandwidth 73600 MB/sec 88000 MB/sec
Texel Rate 25200 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 11200 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 720(144x5) 896
Texture Mapping Units 36 56
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1040 million (Unknown) 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 max amount of data (measured 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 the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the 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 can be applied per second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Radeon HD 5750 1GB

Amazon.com

Check prices at:

Radeon R9 M280X

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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