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Radeon HD 4550 512MB vs Radeon HD 5830

Intro

The Radeon HD 4550 512MB comes with a GPU core clock speed of 600 MHz, and the 512 MB of GDDR3 RAM is set to run at 800 MHz through a 64-bit bus. It also is comprised of 80(16x5) SPUs, 8 TAUs, and 4 ROPs.

Compare those specs to the Radeon HD 5830, which makes use of a 40 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this particular model. It features 1120(224x5) SPUs as well as 56 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 512MB 25 Watts
Radeon HD 5830 175 Watts
Difference: 150 Watts (600%)

Memory Bandwidth

The Radeon HD 5830, in theory, should be a lot faster than the Radeon HD 4550 512MB in general. (explain)

Radeon HD 5830 128000 MB/sec
Radeon HD 4550 512MB 12800 MB/sec
Difference: 115200 (900%)

Texel Rate

The Radeon HD 5830 is a lot (about 833%) better at anisotropic filtering than the Radeon HD 4550 512MB. (explain)

Radeon HD 5830 44800 Mtexels/sec
Radeon HD 4550 512MB 4800 Mtexels/sec
Difference: 40000 (833%)

Pixel Rate

The Radeon HD 5830 is quite a bit (about 433%) faster with regards to anti-aliasing than the Radeon HD 4550 512MB, and will be able to handle higher resolutions more effectively. (explain)

Radeon HD 5830 12800 Mpixels/sec
Radeon HD 4550 512MB 2400 Mpixels/sec
Difference: 10400 (433%)

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 4550 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 4550 512MB Radeon HD 5830
Manufacturer AMD AMD
Year Sep 30, 2008 February 25, 2010
Code Name RV710 Cypress LE
Memory 512 MB 1024 MB
Core Speed 600 MHz 800 MHz
Memory Speed 1600 MHz 4000 MHz
Power (Max TDP) 25 watts 175 watts
Bandwidth 12800 MB/sec 128000 MB/sec
Texel Rate 4800 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 2400 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 80(16x5) 1120(224x5)
Texture Mapping Units 8 56
Render Output Units 4 16
Bus Type GDDR3 GDDR5
Bus Width 64-bit 256-bit
Fab Process 55 nm 40 nm
Transistors 242 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 largest amount of information (measured in megabytes per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it must 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 higher screen resolutions.

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

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

Display Prices

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Radeon HD 4550 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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