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Radeon HD 3470 512MB vs Radeon R9 M270X

Intro

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

Compare all of that to the Radeon R9 M270X, which uses a 28 nm design. AMD has clocked the core frequency at 725 MHz. The GDDR5 memory is set to run at a frequency of 1125 MHz on this card. It features 640 SPUs along with 40 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon R9 M270X should in theory be quite a bit superior to the Radeon HD 3470 512MB overall. (explain)

Radeon R9 M270X 72000 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 41600 (137%)

Texel Rate

The Radeon R9 M270X should be much (more or less 806%) more effective at texture filtering than the Radeon HD 3470 512MB. (explain)

Radeon R9 M270X 29000 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 25800 (806%)

Pixel Rate

The Radeon R9 M270X will be much (more or less 263%) more effective at FSAA than the Radeon HD 3470 512MB, and should be able to handle higher resolutions while still performing well. (explain)

Radeon R9 M270X 11600 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 8400 (263%)

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 R9 M270X

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 R9 M270X
Manufacturer AMD AMD
Year 2008 May 1 2014
Code Name RV620 PRO Venus XT
Memory 512 MB 2048 MB
Core Speed 800 MHz 725 MHz
Memory Speed 1900 MHz 4500 MHz
Power (Max TDP) (Unknown) watts (Unknown) watts
Bandwidth 30400 MB/sec 72000 MB/sec
Texel Rate 3200 Mtexels/sec 29000 Mtexels/sec
Pixel Rate 3200 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 40(8x5) 640
Texture Mapping Units 4 40
Render Output Units 4 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million (Unknown) 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: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its 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 - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 3470 512MB

Amazon.com

Check prices at:

Radeon R9 M270X

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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