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Radeon HD 3470 512MB vs Radeon HD 5570

Intro

The Radeon HD 3470 512MB uses a 55 nm design. AMD has set the core frequency at 800 MHz. The GDDR3 RAM is set to run at a frequency of 950 MHz on this card. It features 40(8x5) SPUs as well as 4 Texture Address Units and 4 Rasterization Operator Units.

Compare all that to the Radeon HD 5570, which comes with a core clock speed of 650 MHz and a DDR3 memory frequency of 900 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It features 400(80x5) SPUs, 20 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 3470 512MB is 6% quicker than the Radeon HD 5570 overall, because of its higher bandwidth. (explain)

Radeon HD 3470 512MB 30400 MB/sec
Radeon HD 5570 28800 MB/sec
Difference: 1600 (6%)

Texel Rate

The Radeon HD 5570 will be a lot (more or less 306%) faster with regards to AF than the Radeon HD 3470 512MB. (explain)

Radeon HD 5570 13000 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 9800 (306%)

Pixel Rate

The Radeon HD 5570 will be a lot (approximately 63%) faster with regards to FSAA than the Radeon HD 3470 512MB, and should be capable of handling higher screen resolutions more effectively. (explain)

Radeon HD 5570 5200 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 2000 (63%)

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 3470 512MB

Amazon.com

Check prices at:

Radeon HD 5570

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 3470 512MB Radeon HD 5570
Manufacturer AMD AMD
Year 2008 February 9, 2010
Code Name RV620 PRO Redwood PRO
Memory 512 MB 512 MB
Core Speed 800 MHz 650 MHz
Memory Speed 1900 MHz 1800 MHz
Power (Max TDP) (Unknown) watts 43 watts
Bandwidth 30400 MB/sec 28800 MB/sec
Texel Rate 3200 Mtexels/sec 13000 Mtexels/sec
Pixel Rate 3200 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 40(8x5) 400(80x5)
Texture Mapping Units 4 20
Render Output Units 4 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors (Unknown) million 627 million
Bus PCIe 2.0 x16 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many 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

Hide Prices

Radeon HD 3470 512MB

Amazon.com

Check prices at:

Radeon HD 5570

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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