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Radeon HD 4350 vs Radeon HD 4550 512MB

Intro

The Radeon HD 4350 comes with a GPU core speed of 575 MHz, and the 512 MB of DDR2 RAM is set to run at 500 MHz through a 64-bit bus. It also features 80(16x5) Stream Processors, 8 TAUs, and 4 Raster Operation Units.

Compare all of that to the Radeon HD 4550 512MB, which has clock speeds of 600 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 RAM. It features 80(16x5) SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4350 22 Watts
Radeon HD 4550 512MB 25 Watts
Difference: 3 Watts (14%)

Memory Bandwidth

In theory, the Radeon HD 4550 512MB should perform quite a bit faster than the Radeon HD 4350 overall. (explain)

Radeon HD 4550 512MB 12800 MB/sec
Radeon HD 4350 8000 MB/sec
Difference: 4800 (60%)

Texel Rate

The Radeon HD 4550 512MB is a bit (approximately 4%) faster with regards to anisotropic filtering than the Radeon HD 4350. (explain)

Radeon HD 4550 512MB 4800 Mtexels/sec
Radeon HD 4350 4600 Mtexels/sec
Difference: 200 (4%)

Pixel Rate

The Radeon HD 4550 512MB is a little bit (about 4%) faster with regards to FSAA than the Radeon HD 4350, and will be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon HD 4550 512MB 2400 Mpixels/sec
Radeon HD 4350 2300 Mpixels/sec
Difference: 100 (4%)

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

Display Prices

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Radeon HD 4350

Amazon.com

Check prices at:

Radeon HD 4550 512MB

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 4350 Radeon HD 4550 512MB
Manufacturer AMD AMD
Year Sep 30, 2008 Sep 30, 2008
Code Name RV710 RV710
Memory 512 MB 512 MB
Core Speed 575 MHz 600 MHz
Memory Speed 1000 MHz 1600 MHz
Power (Max TDP) 22 watts 25 watts
Bandwidth 8000 MB/sec 12800 MB/sec
Texel Rate 4600 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 2300 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 80(16x5) 80(16x5)
Texture Mapping Units 8 8
Render Output Units 4 4
Bus Type DDR2 GDDR3
Bus Width 64-bit 64-bit
Fab Process 55 nm 55 nm
Transistors 242 million 242 million
Bus PCIe 2.0 x16, PCI PCIe 2.0 x16
DirectX Version DirectX 10.1 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's 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 figure 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip 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 clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 4350

Amazon.com

Check prices at:

Radeon HD 4550 512MB

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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