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Radeon HD 4730 vs Radeon HD 6570 (OEM) 2GB

Intro

The Radeon HD 4730 comes with a core clock speed of 700 MHz and a GDDR5 memory frequency of 900 MHz. It also features a 128-bit bus, and uses a 55 nm design. It is made up of 640(128x5) SPUs, 32 TAUs, and 8 ROPs.

Compare all of that to the Radeon HD 6570 (OEM) 2GB, which uses a 40 nm design. AMD has clocked the core frequency at 650 MHz. The GDDR5 memory is set to run at a speed of 1000 MHz on this card. It features 480 SPUs along with 24 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB 50 Watts
Radeon HD 4730 140 Watts
Difference: 90 Watts (180%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6570 (OEM) 2GB is 11% quicker than the Radeon HD 4730 in general, due to its higher bandwidth. (explain)

Radeon HD 6570 (OEM) 2GB 64000 MB/sec
Radeon HD 4730 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The Radeon HD 4730 will be quite a bit (approximately 44%) faster with regards to texture filtering than the Radeon HD 6570 (OEM) 2GB. (explain)

Radeon HD 4730 22400 Mtexels/sec
Radeon HD 6570 (OEM) 2GB 15600 Mtexels/sec
Difference: 6800 (44%)

Pixel Rate

The Radeon HD 4730 is a bit (approximately 8%) faster with regards to full screen anti-aliasing than the Radeon HD 6570 (OEM) 2GB, and also capable of handling higher resolutions better. (explain)

Radeon HD 4730 5600 Mpixels/sec
Radeon HD 6570 (OEM) 2GB 5200 Mpixels/sec
Difference: 400 (8%)

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 4730

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 2GB

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 4730 Radeon HD 6570 (OEM) 2GB
Manufacturer AMD AMD
Year Jun 8, 2009 February 2011
Code Name RV770/CE Turks
Memory 512 MB 1024 MB
Core Speed 700 MHz 650 MHz
Memory Speed 3600 MHz 4000 MHz
Power (Max TDP) 140 watts 50 watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 22400 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 5600 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 640(128x5) 480
Texture Mapping Units 32 24
Render Output Units 8 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 956 million 715 million
Bus PCIe 2.0 x16 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the bus width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4730

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 2GB

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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