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Radeon HD 3870 512MB vs Radeon R7 M360

Intro

The Radeon HD 3870 512MB makes use of a 55 nm design. AMD has clocked the core frequency at 775 MHz. The GDDR3 memory runs at a speed of 900 MHz on this specific model. It features 320(64x5) SPUs along with 16 TAUs and 16 Rasterization Operator Units.

Compare that to the Radeon R7 M360, which comes with a clock speed of 1125 MHz and a DDR3 memory frequency of 1000 MHz. It also uses a 64-bit memory bus, and makes use of a 28 nm design. It is made up of 384 SPUs, 24 Texture Address Units, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon HD 3870 512MB should theoretically be a lot superior to the Radeon R7 M360 overall. (explain)

Radeon HD 3870 512MB 57600 MB/sec
Radeon R7 M360 16000 MB/sec
Difference: 41600 (260%)

Texel Rate

The Radeon R7 M360 will be quite a bit (about 118%) faster with regards to AF than the Radeon HD 3870 512MB. (explain)

Radeon R7 M360 27000 Mtexels/sec
Radeon HD 3870 512MB 12400 Mtexels/sec
Difference: 14600 (118%)

Pixel Rate

The Radeon HD 3870 512MB is quite a bit (about 38%) faster with regards to AA than the Radeon R7 M360, and also able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 3870 512MB 12400 Mpixels/sec
Radeon R7 M360 9000 Mpixels/sec
Difference: 3400 (38%)

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 3870 512MB

Amazon.com

Check prices at:

Radeon R7 M360

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 3870 512MB Radeon R7 M360
Manufacturer AMD AMD
Year Nov 19, 2007 2015
Code Name RV670 XT Oland
Memory 512 MB 2048 MB
Core Speed 775 MHz 1125 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) 106 watts (Unknown) watts
Bandwidth 57600 MB/sec 16000 MB/sec
Texel Rate 12400 Mtexels/sec 27000 Mtexels/sec
Pixel Rate 12400 Mpixels/sec 9000 Mpixels/sec
Unified Shaders 320(64x5) 384
Texture Mapping Units 16 24
Render Output Units 16 8
Bus Type GDDR3 DDR3
Bus Width 256-bit 64-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 2.0 x16/AGP 8x PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, 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 maximum amount of pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs 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 fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 3870 512MB

Amazon.com

Check prices at:

Radeon R7 M360

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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