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Radeon HD 5570 vs Radeon HD 5770

Intro

The Radeon HD 5570 comes with clock speeds of 650 MHz on the GPU, and 900 MHz on the 512 MB of DDR3 RAM. It features 400(80x5) SPUs as well as 20 Texture Address Units and 8 Rasterization Operator Units.

Compare those specifications to the Radeon HD 5770, which comes with a GPU core clock speed of 850 MHz, and 1024 MB of GDDR5 memory set to run at 1200 MHz through a 128-bit bus. It also is made up of 800(160x5) Stream Processors, 40 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5570 43 Watts
Radeon HD 5770 108 Watts
Difference: 65 Watts (151%)

Memory Bandwidth

The Radeon HD 5770 should in theory be a lot faster than the Radeon HD 5570 in general. (explain)

Radeon HD 5770 76800 MB/sec
Radeon HD 5570 28800 MB/sec
Difference: 48000 (167%)

Texel Rate

The Radeon HD 5770 is quite a bit (approximately 162%) faster with regards to AF than the Radeon HD 5570. (explain)

Radeon HD 5770 34000 Mtexels/sec
Radeon HD 5570 13000 Mtexels/sec
Difference: 21000 (162%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 5770 is superior to the Radeon HD 5570, and very much so. (explain)

Radeon HD 5770 13600 Mpixels/sec
Radeon HD 5570 5200 Mpixels/sec
Difference: 8400 (162%)

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 5570

Amazon.com

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Radeon HD 5770

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 5570 Radeon HD 5770
Manufacturer AMD AMD
Year February 9, 2010 October 13, 2009
Code Name Redwood PRO Juniper XT
Memory 512 MB 1024 MB
Core Speed 650 MHz 850 MHz
Memory Speed 1800 MHz 4800 MHz
Power (Max TDP) 43 watts 108 watts
Bandwidth 28800 MB/sec 76800 MB/sec
Texel Rate 13000 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 5200 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 400(80x5) 800(160x5)
Texture Mapping Units 20 40
Render Output Units 8 16
Bus Type DDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 627 million 1040 million
Bus PCIe 2.1 x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at 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 graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock 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 fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Radeon HD 5570

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.

Comments

One Response to “Radeon HD 5570 vs Radeon HD 5770”
For Sale: power color hd 5770 1gb ddr5 pcs++ - iSTORYA.NET says:

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