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Radeon HD 3470 512MB vs Radeon HD 5830

Intro

The Radeon HD 3470 512MB comes with a GPU core speed of 800 MHz, and the 512 MB of GDDR3 memory is set to run at 950 MHz through a 128-bit bus. It also is made up of 40(8x5) Stream Processors, 4 Texture Address Units, and 4 Raster Operation Units.

Compare those specifications to the Radeon HD 5830, which comes with clock speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1120(224x5) SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 5830 should in theory be much faster than the Radeon HD 3470 512MB in general. (explain)

Radeon HD 5830 128000 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 97600 (321%)

Texel Rate

The Radeon HD 5830 will be quite a bit (about 1300%) more effective at texture filtering than the Radeon HD 3470 512MB. (explain)

Radeon HD 5830 44800 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 41600 (1300%)

Pixel Rate

The Radeon HD 5830 will be a lot (more or less 300%) faster with regards to full screen anti-aliasing than the Radeon HD 3470 512MB, and also able to handle higher resolutions while still performing well. (explain)

Radeon HD 5830 12800 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 9600 (300%)

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

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Radeon HD 5830

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 3470 512MB Radeon HD 5830
Manufacturer AMD AMD
Year 2008 February 25, 2010
Code Name RV620 PRO Cypress LE
Memory 512 MB 1024 MB
Core Speed 800 MHz 800 MHz
Memory Speed 1900 MHz 4000 MHz
Power (Max TDP) (Unknown) watts 175 watts
Bandwidth 30400 MB/sec 128000 MB/sec
Texel Rate 3200 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 3200 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 40(8x5) 1120(224x5)
Texture Mapping Units 4 56
Render Output Units 4 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 55 nm 40 nm
Transistors (Unknown) million 2154 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 maximum amount of data (in units of megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure 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 video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Radeon HD 3470 512MB

Amazon.com

Check prices at:

Radeon HD 5830

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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