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Radeon HD 4550 256MB vs Radeon HD 5830

Intro

The Radeon HD 4550 256MB makes use of a 55 nm design. AMD has set the core frequency at 600 MHz. The DDR3 RAM runs at a frequency of 800 MHz on this card. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

Compare those specs to the Radeon HD 5830, which has GPU core speed of 800 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 256-bit bus. It also is made up of 1120(224x5) Stream Processors, 56 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 256MB 25 Watts
Radeon HD 5830 175 Watts
Difference: 150 Watts (600%)

Memory Bandwidth

In theory, the Radeon HD 5830 is 900% quicker than the Radeon HD 4550 256MB in general, due to its greater bandwidth. (explain)

Radeon HD 5830 128000 MB/sec
Radeon HD 4550 256MB 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 256MB. (explain)

Radeon HD 5830 44800 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 40000 (833%)

Pixel Rate

The Radeon HD 5830 should be a lot (about 433%) better at anti-aliasing than the Radeon HD 4550 256MB, and also capable of handling higher resolutions without slowing down too much. (explain)

Radeon HD 5830 12800 Mpixels/sec
Radeon HD 4550 256MB 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 256MB

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 4550 256MB Radeon HD 5830
Manufacturer AMD AMD
Year Sep 30, 2008 February 25, 2010
Code Name RV710 Cypress LE
Memory 256 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 DDR3 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 data (measured in megabytes per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory in one 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 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 rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 4550 256MB

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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