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Radeon HD 3470 512MB vs Radeon HD 5830

Intro

The Radeon HD 3470 512MB comes with a GPU core clock 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 ROPs.

Compare those specifications to the Radeon HD 5830, which makes use of a 40 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this model. It features 1120(224x5) SPUs along with 56 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

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

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

Texel Rate

The Radeon HD 5830 should be a lot (more or less 1300%) better at AF 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%) more effective at FSAA than the Radeon HD 3470 512MB, and should be capable of handling higher resolutions more effectively. (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

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.

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 max amount of information (counted in MB per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the 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 amount of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total 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 processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. 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 output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory 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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