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Radeon HD 4350 vs Radeon HD 6770

Intro

The Radeon HD 4350 features core speeds of 575 MHz on the GPU, and 500 MHz on the 512 MB of DDR2 RAM. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 ROPs.

Compare all that to the Radeon HD 6770, which makes use of a 40 nm design. AMD has clocked the core frequency at 900 MHz. The GDDR5 RAM works at a speed of 1050 MHz on this particular model. It features 800 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 6770 108 Watts
Difference: 86 Watts (391%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6770 should in theory be quite a bit better than the Radeon HD 4350 overall. (explain)

Radeon HD 6770 67200 MB/sec
Radeon HD 4350 8000 MB/sec
Difference: 59200 (740%)

Texel Rate

The Radeon HD 6770 will be much (approximately 683%) better at anisotropic filtering than the Radeon HD 4350. (explain)

Radeon HD 6770 36000 Mtexels/sec
Radeon HD 4350 4600 Mtexels/sec
Difference: 31400 (683%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 6770 is superior to the Radeon HD 4350, by far. (explain)

Radeon HD 6770 14400 Mpixels/sec
Radeon HD 4350 2300 Mpixels/sec
Difference: 12100 (526%)

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

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Radeon HD 6770

Amazon.com

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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 6770
Manufacturer AMD AMD
Year Sep 30, 2008 January 2011
Code Name RV710 Juniper XT
Memory 512 MB 512 MB
Core Speed 575 MHz 900 MHz
Memory Speed 1000 MHz 4200 MHz
Power (Max TDP) 22 watts 108 watts
Bandwidth 8000 MB/sec 67200 MB/sec
Texel Rate 4600 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 2300 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 80(16x5) 800
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 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster 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 texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the graphics 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 maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 4350

Amazon.com

Check prices at:

Radeon HD 6770

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.

Comments

One Response to “Radeon HD 4350 vs Radeon HD 6770”
Anonymous says:

[...] Sin duda la HD6770 le vuelva el poto por todos lados a la HD4290 Radeon HD 4350 vs Radeon HD 6770 Radeon HD 4350 vs Radeon HD 6770 – Performance Comparison Benchmarks @ Hardware Compare Specifications Model Radeon HD 4350 Radeon HD 6770 Manufacturer ATi ATi Year Sep 30, 2008 January [...]

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