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Radeon HD 5750 1GB vs Radeon HD 6750 1GB

Intro

The Radeon HD 5750 1GB comes with a GPU core speed of 700 MHz, and the 1024 MB of GDDR5 memory is set to run at 1150 MHz through a 128-bit bus. It also is comprised of 720(144x5) Stream Processors, 36 TAUs, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 6750 1GB, which comes with a core clock frequency of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 720 SPUs, 36 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically speaking, the Radeon HD 5750 1GB should be 15% faster than the Radeon HD 6750 1GB overall, because of its higher bandwidth. (explain)

Radeon HD 5750 1GB 73600 MB/sec
Radeon HD 6750 1GB 64000 MB/sec
Difference: 9600 (15%)

Texel Rate

The Radeon HD 6750 1GB should be a little bit (approximately 4%) more effective at AF than the Radeon HD 5750 1GB. (explain)

Radeon HD 6750 1GB 26100 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 900 (4%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 6750 1GB is a better choice, not by a very large margin though. (explain)

Radeon HD 6750 1GB 11600 Mpixels/sec
Radeon HD 5750 1GB 11200 Mpixels/sec
Difference: 400 (4%)

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

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Radeon HD 6750 1GB

Amazon.com

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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 6750 1GB
Manufacturer AMD AMD
Year October 13, 2009 January 2011
Code Name Juniper LE Juniper Pro
Memory 1024 MB 1024 MB
Core Speed 700 MHz 725 MHz
Memory Speed 4600 MHz 4000 MHz
Power (Max TDP) 86 watts 86 watts
Bandwidth 73600 MB/sec 64000 MB/sec
Texel Rate 25200 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 11200 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 720(144x5) 720
Texture Mapping Units 36 36
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1040 million 1040 million
Bus PCIe 2.1 x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total amount of texture units 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 5750 1GB

Amazon.com

Check prices at:

Radeon HD 6750 1GB

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.

Comments

2 Responses to “Radeon HD 5750 1GB vs Radeon HD 6750 1GB”
Conferma PC gaming! - Pagina 2 - Forum di Tom's Hardware says:

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فروش چند قطعه ( هارد،گرافیک،رم،سی پی یو،پاور ، و...) says:

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