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Radeon HD 4350 vs Radeon HD 5670

Intro

The Radeon HD 4350 comes with a core clock frequency of 575 MHz and a DDR2 memory frequency of 500 MHz. It also makes use of a 64-bit memory bus, and makes use of a 55 nm design. It is made up of 80(16x5) SPUs, 8 Texture Address Units, and 4 ROPs.

Compare those specifications to the Radeon HD 5670, which features a GPU core clock speed of 775 MHz, and 1024 MB of GDDR5 RAM running at 1000 MHz through a 128-bit bus. It also features 400(80x5) SPUs, 20 Texture Address Units, and 8 Raster Operation Units.

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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

Theoretically speaking, the Radeon HD 5670 should be a lot faster 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 (about 237%) better at AF 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 should be a lot (approximately 170%) better at AA than the Radeon HD 4350, and also should be capable of handling higher screen resolutions better. (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: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better 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 maximum number of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum 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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