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Radeon HD 3470 512MB vs Radeon R7 240

Intro

The Radeon HD 3470 512MB comes with clock speeds of 800 MHz on the GPU, and 950 MHz on the 512 MB of GDDR3 memory. It features 40(8x5) SPUs as well as 4 TAUs and 4 ROPs.

Compare that to the Radeon R7 240, which comes with a core clock frequency of 730 MHz and a DDR3 memory speed of 900 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It features 320 SPUs, 20 Texture Address Units, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 3470 512MB should be just a bit faster than the Radeon R7 240 in general. (explain)

Radeon HD 3470 512MB 30400 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 1600 (6%)

Texel Rate

The Radeon R7 240 should be much (about 356%) better at anisotropic filtering than the Radeon HD 3470 512MB. (explain)

Radeon R7 240 14600 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 11400 (356%)

Pixel Rate

The Radeon R7 240 should be a lot (approximately 83%) faster with regards to full screen anti-aliasing than the Radeon HD 3470 512MB, and also capable of handling higher screen resolutions while still performing well. (explain)

Radeon R7 240 5840 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 2640 (83%)

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 R7 240

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 R7 240
Manufacturer AMD AMD
Year 2008 October 2013
Code Name RV620 PRO Oland PRO
Memory 512 MB 2048 MB
Core Speed 800 MHz 730 MHz
Memory Speed 1900 MHz 1800 MHz
Power (Max TDP) (Unknown) watts 30 watts
Bandwidth 30400 MB/sec 28800 MB/sec
Texel Rate 3200 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 3200 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 40(8x5) 320
Texture Mapping Units 4 20
Render Output Units 4 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million 1040 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the video 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 maximum amount of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon HD 3470 512MB

Amazon.com

Check prices at:

Radeon R7 240

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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