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Radeon HD 3650 256MB vs Radeon HD 5570

Intro

The Radeon HD 3650 256MB features a GPU core speed of 725 MHz, and the 256 MB of DDR2 memory runs at 800 MHz through a 128-bit bus. It also features 120(24x5) Stream Processors, 8 TAUs, and 4 ROPs.

Compare those specifications to the Radeon HD 5570, which comes with core 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 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5570 43 Watts
Radeon HD 3650 256MB 78 Watts
Difference: 35 Watts (81%)

Memory Bandwidth

The Radeon HD 5570 should theoretically be a little bit faster than the Radeon HD 3650 256MB overall. (explain)

Radeon HD 5570 28800 MB/sec
Radeon HD 3650 256MB 25600 MB/sec
Difference: 3200 (13%)

Texel Rate

The Radeon HD 5570 should be much (about 124%) better at texture filtering than the Radeon HD 3650 256MB. (explain)

Radeon HD 5570 13000 Mtexels/sec
Radeon HD 3650 256MB 5800 Mtexels/sec
Difference: 7200 (124%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 5570 is the winner, and very much so. (explain)

Radeon HD 5570 5200 Mpixels/sec
Radeon HD 3650 256MB 2900 Mpixels/sec
Difference: 2300 (79%)

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 3650 256MB

Amazon.com

Check prices at:

Radeon HD 5570

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 3650 256MB Radeon HD 5570
Manufacturer AMD AMD
Year 2008 February 9, 2010
Code Name RV635 PRO Redwood PRO
Memory 256 MB 512 MB
Core Speed 725 MHz 650 MHz
Memory Speed 1600 MHz 1800 MHz
Power (Max TDP) 78 watts 43 watts
Bandwidth 25600 MB/sec 28800 MB/sec
Texel Rate 5800 Mtexels/sec 13000 Mtexels/sec
Pixel Rate 2900 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 120(24x5) 400(80x5)
Texture Mapping Units 8 20
Render Output Units 4 8
Bus Type DDR2 DDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors (Unknown) million 627 million
Bus PCIe 2.0 x16/AGP 8x 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 megabytes per second) that can be transferred over the external memory interface in one second. It's worked out 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 memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total number of texture units by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 3650 256MB

Amazon.com

Check prices at:

Radeon HD 5570

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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