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Radeon HD 5670 vs Radeon HD 5750 1GB

Intro

The Radeon HD 5670 features core clock speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 ROPs.

Compare those specifications to the Radeon HD 5750 1GB, which has core speeds of 700 MHz on the GPU, and 1150 MHz on the 1024 MB of GDDR5 RAM. It features 720(144x5) SPUs as well as 36 Texture Address Units and 16 Rasterization Operator Units.

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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

The Radeon HD 5750 1GB, in theory, should perform a bit faster than the Radeon HD 5670 in general. (explain)

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

Texel Rate

The Radeon HD 5750 1GB is much (about 63%) more effective at anisotropic 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

If running with a high resolution is important to you, then the Radeon HD 5750 1GB is the winner, and very much so. (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

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.

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 max amount of information (in units of MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once 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 high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability 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:

It is great that we can take the credit loans and this opens new possibilities.

trx says:

random comments are random 🙂

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