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Radeon HD 4550 512MB vs Radeon HD 5830

Intro

The Radeon HD 4550 512MB has core clock speeds of 600 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 RAM. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 ROPs.

Compare that to the Radeon HD 5830, which makes use of a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM runs at a speed of 1000 MHz on this specific card. 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

Power Consumption (Max TDP)

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

Memory Bandwidth

As far as performance goes, the Radeon HD 5830 should theoretically be much superior to the Radeon HD 4550 512MB overall. (explain)

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

Texel Rate

The Radeon HD 5830 is much (approximately 833%) more effective at AF 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 much (approximately 433%) better at anti-aliasing than the Radeon HD 4550 512MB, and also should be capable of handling higher screen resolutions without slowing down too much. (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

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 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 max amount of information (measured in megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs 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 output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

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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