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Radeon HD 4350 vs Radeon HD 5830

Intro

The Radeon HD 4350 features a core clock frequency of 575 MHz and a DDR2 memory frequency of 500 MHz. It also features a 64-bit memory bus, and makes use of a 55 nm design. It is comprised of 80(16x5) SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Compare those specifications to the Radeon HD 5830, which uses a 40 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this card. It features 1120(224x5) SPUs as well as 56 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4350 22 Watts
Radeon HD 5830 175 Watts
Difference: 153 Watts (695%)

Memory Bandwidth

The Radeon HD 5830 should theoretically be quite a bit faster than the Radeon HD 4350 in general. (explain)

Radeon HD 5830 128000 MB/sec
Radeon HD 4350 8000 MB/sec
Difference: 120000 (1500%)

Texel Rate

The Radeon HD 5830 should be a lot (about 874%) faster with regards to anisotropic filtering than the Radeon HD 4350. (explain)

Radeon HD 5830 44800 Mtexels/sec
Radeon HD 4350 4600 Mtexels/sec
Difference: 40200 (874%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 5830 is the winner, by far. (explain)

Radeon HD 5830 12800 Mpixels/sec
Radeon HD 4350 2300 Mpixels/sec
Difference: 10500 (457%)

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 4350

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 4350 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 575 MHz 800 MHz
Memory Speed 1000 MHz 4000 MHz
Power (Max TDP) 22 watts 175 watts
Bandwidth 8000 MB/sec 128000 MB/sec
Texel Rate 4600 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 2300 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 80(16x5) 1120(224x5)
Texture Mapping Units 8 56
Render Output Units 4 16
Bus Type DDR2 GDDR5
Bus Width 64-bit 256-bit
Fab Process 55 nm 40 nm
Transistors 242 million 2154 million
Bus PCIe 2.0 x16, PCI 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 largest amount of data (counted in megabytes per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the interface width by its memory 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 card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, 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 amount of pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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Radeon HD 4350

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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