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Radeon HD 4350 vs Radeon HD 5670

Intro

The Radeon HD 4350 has clock speeds of 575 MHz on the GPU, and 500 MHz on the 512 MB of DDR2 memory. It features 80(16x5) SPUs as well as 8 TAUs and 4 ROPs.

Compare that to the Radeon HD 5670, which features GPU clock speed of 775 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 128-bit bus. It also is made up of 400(80x5) SPUs, 20 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4350 22 Watts
Radeon HD 5670 61 Watts
Difference: 39 Watts (177%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5670 should theoretically be a lot better than the Radeon HD 4350 in general. (explain)

Radeon HD 5670 64000 MB/sec
Radeon HD 4350 8000 MB/sec
Difference: 56000 (700%)

Texel Rate

The Radeon HD 5670 should be much (approximately 237%) faster with regards to texture filtering than the Radeon HD 4350. (explain)

Radeon HD 5670 15500 Mtexels/sec
Radeon HD 4350 4600 Mtexels/sec
Difference: 10900 (237%)

Pixel Rate

The Radeon HD 5670 will be much (approximately 170%) more effective at anti-aliasing than the Radeon HD 4350, and also able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 5670 6200 Mpixels/sec
Radeon HD 4350 2300 Mpixels/sec
Difference: 3900 (170%)

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 4350

Amazon.com

Check prices at:

Radeon HD 5670

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 4350 Radeon HD 5670
Manufacturer AMD AMD
Year Sep 30, 2008 January 14, 2010
Code Name RV710 Redwood XT
Memory 512 MB 1024 MB
Core Speed 575 MHz 775 MHz
Memory Speed 1000 MHz 4000 MHz
Power (Max TDP) 22 watts 61 watts
Bandwidth 8000 MB/sec 64000 MB/sec
Texel Rate 4600 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 2300 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 80(16x5) 400(80x5)
Texture Mapping Units 8 20
Render Output Units 4 8
Bus Type DDR2 GDDR5
Bus Width 64-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 242 million 627 million
Bus PCIe 2.0 x16, PCI PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 4350

Amazon.com

Check prices at:

Radeon HD 5670

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.

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