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Radeon HD 5670 vs Radeon HD 5750 1GB

Intro

The Radeon HD 5670 features a clock frequency of 775 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 128-bit bus, and makes use of a 40 nm design. It is comprised of 400(80x5) SPUs, 20 TAUs, and 8 Raster Operation Units.

Compare those specs to the Radeon HD 5750 1GB, which comes with clock speeds of 700 MHz on the GPU, and 1150 MHz on the 1024 MB of GDDR5 RAM. It features 720(144x5) SPUs along with 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 1GB 86 Watts
Difference: 25 Watts (41%)

Memory Bandwidth

In theory, the Radeon HD 5750 1GB is 15% faster than the Radeon HD 5670 in general, due to its higher bandwidth. (explain)

Radeon HD 5750 1GB 73600 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 9600 (15%)

Texel Rate

The Radeon HD 5750 1GB will be much (about 63%) better at texture filtering than the Radeon HD 5670. (explain)

Radeon HD 5750 1GB 25200 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 9700 (63%)

Pixel Rate

The Radeon HD 5750 1GB is much (approximately 81%) better at AA than the Radeon HD 5670, and able to handle higher screen resolutions without slowing down too much. (explain)

Radeon HD 5750 1GB 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 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 5670 Radeon HD 5750 1GB
Manufacturer AMD AMD
Year January 14, 2010 October 13, 2009
Code Name Redwood XT Juniper LE
Memory 1024 MB 1024 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 data (counted in megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total 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 in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon HD 5670

Amazon.com

Check prices at:

Radeon HD 5750 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 5670 vs Radeon HD 5750 1GB”
GretaDillard29 says:

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trx says:

random comments are random 🙂

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