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Radeon HD 4350 vs Radeon HD 5770

Intro

The Radeon HD 4350 has a GPU clock 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 is comprised of 80(16x5) SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Compare those specs to the Radeon HD 5770, which comes with clock speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 memory. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4350 22 Watts
Radeon HD 5770 108 Watts
Difference: 86 Watts (391%)

Memory Bandwidth

Theoretically, the Radeon HD 5770 should be much faster than the Radeon HD 4350 in general. (explain)

Radeon HD 5770 76800 MB/sec
Radeon HD 4350 8000 MB/sec
Difference: 68800 (860%)

Texel Rate

The Radeon HD 5770 will be a lot (more or less 639%) faster with regards to AF than the Radeon HD 4350. (explain)

Radeon HD 5770 34000 Mtexels/sec
Radeon HD 4350 4600 Mtexels/sec
Difference: 29400 (639%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 5770 is a better choice, and very much so. (explain)

Radeon HD 5770 13600 Mpixels/sec
Radeon HD 4350 2300 Mpixels/sec
Difference: 11300 (491%)

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 5770

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 5770
Manufacturer AMD AMD
Year Sep 30, 2008 October 13, 2009
Code Name RV710 Juniper XT
Memory 512 MB 1024 MB
Core Speed 575 MHz 850 MHz
Memory Speed 1000 MHz 4800 MHz
Power (Max TDP) 22 watts 108 watts
Bandwidth 8000 MB/sec 76800 MB/sec
Texel Rate 4600 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 2300 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 80(16x5) 800(160x5)
Texture Mapping Units 8 40
Render Output Units 4 16
Bus Type DDR2 GDDR5
Bus Width 64-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 242 million 1040 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 max amount of data (in units of MB per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the 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 texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its 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 card's clock speed. 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 output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Radeon HD 4350

Amazon.com

Check prices at:

Radeon HD 5770

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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