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Radeon HD 3470 512MB vs Radeon HD 6570 (OEM) 1GB

Intro

The Radeon HD 3470 512MB has a GPU core clock speed of 800 MHz, and the 512 MB of GDDR3 RAM is set to run at 950 MHz through a 128-bit bus. It also is comprised of 40(8x5) Stream Processors, 4 Texture Address Units, and 4 ROPs.

Compare all of that to the Radeon HD 6570 (OEM) 1GB, which features a GPU core clock speed of 650 MHz, and 1024 MB of GDDR3 RAM set to run at 900 MHz through a 128-bit bus. It also features 480 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon HD 3470 512MB should in theory be a little bit better than the Radeon HD 6570 (OEM) 1GB in general. (explain)

Radeon HD 3470 512MB 30400 MB/sec
Radeon HD 6570 (OEM) 1GB 28800 MB/sec
Difference: 1600 (6%)

Texel Rate

The Radeon HD 6570 (OEM) 1GB is much (approximately 388%) faster with regards to texture filtering than the Radeon HD 3470 512MB. (explain)

Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 12400 (388%)

Pixel Rate

The Radeon HD 6570 (OEM) 1GB will be quite a bit (about 63%) faster with regards to full screen anti-aliasing than the Radeon HD 3470 512MB, and also should be capable of handling higher resolutions more effectively. (explain)

Radeon HD 6570 (OEM) 1GB 5200 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 2000 (63%)

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 3470 512MB

Amazon.com

Check prices at:

Radeon HD 6570 (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 3470 512MB Radeon HD 6570 (OEM) 1GB
Manufacturer AMD AMD
Year 2008 February 2011
Code Name RV620 PRO Turks
Memory 512 MB 1024 MB
Core Speed 800 MHz 650 MHz
Memory Speed 1900 MHz 1800 MHz
Power (Max TDP) (Unknown) watts 50 watts
Bandwidth 30400 MB/sec 28800 MB/sec
Texel Rate 3200 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 3200 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 40(8x5) 480
Texture Mapping Units 4 24
Render Output Units 4 8
Bus Type GDDR3 GDDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors (Unknown) 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 max amount of information (counted in megabytes per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip 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 amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes 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 get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 3470 512MB

Amazon.com

Check prices at:

Radeon HD 6570 (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.

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