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Radeon HD 7750 vs Radeon R7 240

Intro

The Radeon HD 7750 makes use of a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM works at a frequency of 1125 MHz on this specific card. It features 512 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Compare all that to the Radeon R7 240, which has GPU core speed of 730 MHz, and 2048 MB of DDR3 memory running at 900 MHz through a 128-bit bus. It also is comprised of 320 Stream Processors, 20 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
Radeon HD 7750 55 Watts
Difference: 25 Watts (83%)

Memory Bandwidth

Performance-wise, the Radeon HD 7750 should theoretically be quite a bit better than the Radeon R7 240 overall. (explain)

Radeon HD 7750 72000 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 43200 (150%)

Texel Rate

The Radeon HD 7750 will be much (more or less 75%) better at anisotropic filtering than the Radeon R7 240. (explain)

Radeon HD 7750 25600 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 11000 (75%)

Pixel Rate

The Radeon HD 7750 is much (about 119%) more effective at AA than the Radeon R7 240, and also should be capable of handling higher resolutions more effectively. (explain)

Radeon HD 7750 12800 Mpixels/sec
Radeon R7 240 5840 Mpixels/sec
Difference: 6960 (119%)

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

Radeon R7 240

Amazon.com

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 R7 240
Manufacturer AMD AMD
Year February 2012 October 2013
Code Name Cape Verde Pro Oland PRO
Memory 1024 MB 2048 MB
Core Speed 800 MHz 730 MHz
Memory Speed 4500 MHz 1800 MHz
Power (Max TDP) 55 watts 30 watts
Bandwidth 72000 MB/sec 28800 MB/sec
Texel Rate 25600 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 512 320
Texture Mapping Units 32 20
Render Output Units 16 8
Bus Type GDDR5 DDR3
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1500 million 1040 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.1 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

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

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