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Radeon HD 7750 vs Radeon R7 240


Intro

The Radeon HD 7750 comes with a GPU core clock speed of 800 MHz, and the 1024 MB of GDDR5 RAM runs at 1125 MHz through a 128-bit bus. It also features 512 Stream Processors, 32 TAUs, and 16 ROPs.

Compare that to the Radeon R7 240, which has core speeds of 730 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 RAM. It features 320 SPUs as well as 20 Texture Address Units and 8 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 7750 2240 points
Radeon R7 240 1220 points
Difference: 1020 (84%)

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

Theoretically speaking, the Radeon HD 7750 should be a lot faster 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 (about 75%) better at texture filtering than the Radeon R7 240. (explain)

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

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 7750 is a better choice, by far. (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

Radeon HD 7750

Radeon R7 240

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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Radeon HD 7750

Radeon R7 240

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