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Radeon HD 5670 vs Radeon HD 5750 512MB

Intro

The Radeon HD 5670 uses a 40 nm design. AMD has clocked the core speed at 775 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this card. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 Rasterization Operator Units.

Compare those specs to the Radeon HD 5750 512MB, which has a clock frequency of 700 MHz and a GDDR5 memory speed of 1150 MHz. It also uses a 128-bit bus, and uses a 40 nm design. It is comprised of 720(144x5) SPUs, 36 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
Radeon HD 5750 512MB 86 Watts
Difference: 25 Watts (41%)

Memory Bandwidth

The Radeon HD 5750 512MB should theoretically perform a small bit faster than the Radeon HD 5670 in general. (explain)

Radeon HD 5750 512MB 73600 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 9600 (15%)

Texel Rate

The Radeon HD 5750 512MB is quite a bit (more or less 63%) better at texture filtering than the Radeon HD 5670. (explain)

Radeon HD 5750 512MB 25200 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 9700 (63%)

Pixel Rate

The Radeon HD 5750 512MB is quite a bit (about 81%) better at AA than the Radeon HD 5670, and also should be capable of handling higher resolutions while still performing well. (explain)

Radeon HD 5750 512MB 11200 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 5000 (81%)

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 5670

Amazon.com

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Radeon HD 5750 512MB

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 5670 Radeon HD 5750 512MB
Manufacturer AMD AMD
Year January 14, 2010 October 13, 2009
Code Name Redwood XT Juniper LE
Memory 1024 MB 512 MB
Core Speed 775 MHz 700 MHz
Memory Speed 4000 MHz 4600 MHz
Power (Max TDP) 61 watts 86 watts
Bandwidth 64000 MB/sec 73600 MB/sec
Texel Rate 15500 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 6200 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 400(80x5) 720(144x5)
Texture Mapping Units 20 36
Render Output Units 8 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 627 million 1040 million
Bus PCIe 2.1 x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant 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

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Radeon HD 5670

Amazon.com

Check prices at:

Radeon HD 5750 512MB

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

One Response to “Radeon HD 5670 vs Radeon HD 5750 512MB”
can my PSU run this Graphx Card? - iSTORYA.NET says:

[...] below, gamay ra sila ug difference sa Power Consumption ang HD 5750 ug akong Current Graphx Card. Radeon HD 5670 vs Radeon HD 5750 512MB – Performance Comparison Benchmarks @ Hardware Compare heres my question: ma kaya ra ba kaha sa akong PSU ang HD [...]

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