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Radeon HD 5570 vs Radeon HD 6450 (OEM) 1GB

Intro

The Radeon HD 5570 makes use of a 40 nm design. AMD has clocked the core speed at 650 MHz. The DDR3 memory works at a speed of 900 MHz on this particular card. It features 400(80x5) SPUs as well as 20 TAUs and 8 ROPs.

Compare all of that to the Radeon HD 6450 (OEM) 1GB, which has a GPU core clock speed of 750 MHz, and 1024 MB of GDDR5 memory running at 900 MHz through a 64-bit bus. It also is made up of 160 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
Radeon HD 5570 43 Watts
Difference: 12 Watts (39%)

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The Radeon HD 5570 is much (more or less 117%) more effective at anisotropic filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

Radeon HD 5570 13000 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 7000 (117%)

Pixel Rate

The Radeon HD 5570 will be much (more or less 73%) faster with regards to anti-aliasing than the Radeon HD 6450 (OEM) 1GB, and able to handle higher screen resolutions more effectively. (explain)

Radeon HD 5570 5200 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 2200 (73%)

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

Check prices at:

Radeon HD 6450 (OEM) 1GB

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 5570 Radeon HD 6450 (OEM) 1GB
Manufacturer AMD AMD
Year February 9, 2010 February 2011
Code Name Redwood PRO Caicos
Memory 512 MB 1024 MB
Core Speed 650 MHz 750 MHz
Memory Speed 1800 MHz 3600 MHz
Power (Max TDP) 43 watts 31 watts
Bandwidth 28800 MB/sec 28800 MB/sec
Texel Rate 13000 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 5200 Mpixels/sec 3000 Mpixels/sec
Unified Shaders 400(80x5) 160
Texture Mapping Units 20 8
Render Output Units 8 4
Bus Type DDR3 GDDR5
Bus Width 128-bit 64-bit
Fab Process 40 nm 40 nm
Transistors 627 million 370 million
Bus PCIe 2.1 x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher 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 can be processed in one second. This figure is worked out by multiplying the total amount of texture units of the card 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 5570

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

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 6450 (OEM) 1GB”
Suggst an perfect graphics card for my config!!!! - Digit Technology Discussion Forum says:

[...] option is HD 5570 1GB DDR3. Though its a DDR3 card but still its much better than HD 6450 DDR5. Radeon HD 5570 vs Radeon HD 6450 (OEM) 1GB – Performance Comparison Benchmarks @ Hardware Comp... __________________ [...]

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