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Radeon HD 7750 vs Radeon R9 M375X

Intro

The Radeon HD 7750 comes with core clock speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 RAM. It features 512 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon R9 M375X, which features a GPU core clock speed of 1015 MHz, and 4096 MB of GDDR5 memory running at 1125 MHz through a 128-bit bus. It also features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should perform exactly the same. (explain)

Texel Rate

The Radeon R9 M375X should be quite a bit (more or less 59%) better at AF than the Radeon HD 7750. (explain)

Radeon R9 M375X 40600 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 15000 (59%)

Pixel Rate

The Radeon R9 M375X is a lot (about 27%) more effective at anti-aliasing than the Radeon HD 7750, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R9 M375X 16240 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 3440 (27%)

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 7750

Amazon.com

Check prices at:

Radeon R9 M375X

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 7750 Radeon R9 M375X
Manufacturer AMD AMD
Year February 2012 2015
Code Name Cape Verde Pro Cape Verde
Memory 1024 MB 4096 MB
Core Speed 800 MHz 1015 MHz
Memory Speed 4500 MHz 4500 MHz
Power (Max TDP) 55 watts (Unknown) watts
Bandwidth 72000 MB/sec 72000 MB/sec
Texel Rate 25600 Mtexels/sec 40600 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 16240 Mpixels/sec
Unified Shaders 512 640
Texture Mapping Units 32 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1500 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.1 DirectX 12
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If 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 high resolutions.

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

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

Display Prices

Hide Prices

Radeon HD 7750

Amazon.com

Check prices at:

Radeon R9 M375X

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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