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

Intro

The Radeon HD 4730 has a GPU core clock speed of 700 MHz, and the 512 MB of GDDR5 memory is set to run at 900 MHz through a 128-bit bus. It also is comprised of 640(128x5) SPUs, 32 TAUs, and 8 Raster Operation Units.

Compare all 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 works at a frequency of 1000 MHz on this specific model. It features 480 SPUs as well as 24 TAUs and 8 ROPs.

Display Graphs

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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

The Radeon HD 6570 (OEM) 2GB, in theory, should perform a little bit faster than the Radeon HD 4730 in general. (explain)

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

Texel Rate

The Radeon HD 4730 should be a lot (about 44%) more effective at anisotropic 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 (more or less 8%) better at full screen anti-aliasing than the Radeon HD 6570 (OEM) 2GB, and should be capable of handling higher resolutions without slowing down too much. (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: Bandwidth is the max amount of data (counted in megabytes per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential 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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