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Radeon HD 5750 1GB vs Radeon HD 6750 1GB

Intro

The Radeon HD 5750 1GB features a GPU core speed of 700 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1150 MHz through a 128-bit bus. It also features 720(144x5) Stream Processors, 36 Texture Address Units, and 16 ROPs.

Compare that to the Radeon HD 6750 1GB, which comes with GPU clock speed of 725 MHz, and 1024 MB of GDDR5 RAM running at 1000 MHz through a 128-bit bus. It also is comprised of 720 SPUs, 36 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Radeon HD 5750 1GB should in theory be a small bit faster than the Radeon HD 6750 1GB overall. (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 (more or less 4%) more effective at anisotropic filtering 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 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 largest amount of information (in units of MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the 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 number of texture map elements (texels) that are applied in one second. This number is worked out 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 card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach 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:

[...] Radeon HD 5750 1GB vs Radeon HD 6750 1GB – Performance Comparison Benchmarks @ Hardware Compar... __________________ a gugno...AsRock Z68 Extreme4 / 1600MHz 8GB G.Skill Ripjaws-X CL8 / i5-2500k 3,3GHz 4,6-5GHz / Noctua NH-U12P SE2 / GTX 570 Phantom SOC / Corsair HX750 / CM Elite 430 / x2 320Gb Spinpoint F4 raid0 / LG Masterizzatore BD-DVD / [...]

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

[...] اما از نظر Texel Rate و Pixel Rate تقریبا 4 درصد از 6750 ضعیف تره. Radeon HD 5750 1GB vs Radeon HD 6750 1GB – Performance Comparison Benchmarks @ Hardware Compare اینم برای دریافت قیمت روز مدل 6750 : میهن مارکت - قيمت [...]

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