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Radeon HD 3470 512MB vs Radeon HD 5830

Intro

The Radeon HD 3470 512MB comes with core clock speeds of 800 MHz on the GPU, and 950 MHz on the 512 MB of GDDR3 memory. It features 40(8x5) SPUs along with 4 Texture Address Units and 4 ROPs.

Compare those specifications to the Radeon HD 5830, which features GPU core speed of 800 MHz, and 1024 MB of GDDR5 memory set to run at 1000 MHz through a 256-bit bus. It also is comprised of 1120(224x5) SPUs, 56 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 5830 should be 321% quicker than the Radeon HD 3470 512MB in general, due to its higher bandwidth. (explain)

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

Texel Rate

The Radeon HD 5830 is a lot (about 1300%) faster with regards to anisotropic 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 is a lot (about 300%) better at AA than the Radeon HD 3470 512MB, and also should be able to handle higher screen resolutions better. (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: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to 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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