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Radeon HD 7750 vs Radeon R7 240

Intro

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

Compare those specifications to the Radeon R7 240, which comes with clock speeds of 730 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 320 SPUs as well as 20 TAUs and 8 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

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

The Radeon HD 7750 should in theory 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 (more or less 75%) faster with regards to 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

If using a high screen resolution 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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

Radeon HD 7750

Amazon.com

Other US-based stores

Radeon R7 240

Amazon.com

Other US-based stores

Specifications

Model Radeon HD 7750 Radeon R7 240
Manufacturer ATi ATi
Year February 2012 October 2013
Code Name Cape Verde Pro Oland PRO
Fab Process 28 nm 28 nm
Bus PCIe 3.0 x16 PCIe 3.0 x16
Memory 1024 MB 2048 MB
Core Speed 800 MHz 730 MHz
Shader Speed N/A MHz (N/A) MHz
Memory Speed 1125 MHz (4500 MHz effective) 900 MHz (1800 MHz effective)
Unified Shaders 512 320
Texture Mapping Units 32 20
Render Output Units 16 8
Bus Type GDDR5 DDR3
Bus Width 128-bit 128-bit
DirectX Version DirectX 11.1 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3
Power (Max TDP) 55 watts 30 watts
Shader Model 5.0 5.0
Bandwidth 72000 MB/sec 28800 MB/sec
Texel Rate 25600 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 5840 Mpixels/sec

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be transported past the external memory interface in a 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 it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

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