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Radeon HD 3470 512MB vs Radeon R7 M265

Intro

The Radeon HD 3470 512MB has a clock frequency of 800 MHz and a GDDR3 memory speed of 950 MHz. It also makes use of a 128-bit memory bus, and uses a 55 nm design. It features 40(8x5) SPUs, 4 TAUs, and 4 ROPs.

Compare all of that to the Radeon R7 M265, which has core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs along with 24 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R7 M265 is 5% faster than the Radeon HD 3470 512MB in general, because of its higher bandwidth. (explain)

Radeon R7 M265 32000 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 1600 (5%)

Texel Rate

The Radeon R7 M265 should be much (about 444%) more effective at anisotropic filtering than the Radeon HD 3470 512MB. (explain)

Radeon R7 M265 17400 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 14200 (444%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 M265 is a better choice, by a large margin. (explain)

Radeon R7 M265 5800 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 2600 (81%)

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 M265

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 M265
Manufacturer AMD AMD
Year 2008 May 1 2014
Code Name RV620 PRO Opal XT
Memory 512 MB 2048 MB
Core Speed 800 MHz 725 MHz
Memory Speed 1900 MHz 2000 MHz
Power (Max TDP) (Unknown) watts (Unknown) watts
Bandwidth 30400 MB/sec 32000 MB/sec
Texel Rate 3200 Mtexels/sec 17400 Mtexels/sec
Pixel Rate 3200 Mpixels/sec 5800 Mpixels/sec
Unified Shaders 40(8x5) 384
Texture Mapping Units 4 24
Render Output Units 4 8
Bus Type GDDR3 DDR3
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 x8
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 applied per second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 3470 512MB

Amazon.com

Check prices at:

Radeon R7 M265

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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