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Radeon HD 5750 1GB vs Radeon HD 7750

Intro

The Radeon HD 5750 1GB features a GPU core speed of 700 MHz, and the 1024 MB of GDDR5 RAM runs at 1150 MHz through a 128-bit bus. It also is made up of 720(144x5) SPUs, 36 TAUs, and 16 ROPs.

Compare that to the Radeon HD 7750, which features core speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 memory. It features 512 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
Radeon HD 5750 1GB 86 Watts
Difference: 31 Watts (56%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5750 1GB should in theory be a bit better than the Radeon HD 7750 in general. (explain)

Radeon HD 5750 1GB 73600 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 1600 (2%)

Texel Rate

The Radeon HD 7750 should be a bit (more or less 2%) faster with regards to AF than the Radeon HD 5750 1GB. (explain)

Radeon HD 7750 25600 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 400 (2%)

Pixel Rate

The Radeon HD 7750 will be a little bit (more or less 14%) faster with regards to FSAA than the Radeon HD 5750 1GB, and also able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 7750 12800 Mpixels/sec
Radeon HD 5750 1GB 11200 Mpixels/sec
Difference: 1600 (14%)

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

Check prices at:

Radeon HD 7750

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 5750 1GB Radeon HD 7750
Manufacturer AMD AMD
Year October 13, 2009 February 2012
Code Name Juniper LE Cape Verde Pro
Memory 1024 MB 1024 MB
Core Speed 700 MHz 800 MHz
Memory Speed 4600 MHz 4500 MHz
Power (Max TDP) 86 watts 55 watts
Bandwidth 73600 MB/sec 72000 MB/sec
Texel Rate 25200 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 11200 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 720(144x5) 512
Texture Mapping Units 36 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1040 million 1500 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 3.2 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the interface width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 5750 1GB

Amazon.com

Check prices at:

Radeon HD 7750

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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