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Radeon HD 7990 vs Radeon R7 M360

Intro

The Radeon HD 7990 uses a 28 nm design. AMD has clocked the core speed at 950 MHz. The GDDR5 memory works at a frequency of 1500 MHz on this model. It features 2048 SPUs as well as 128 TAUs and 32 ROPs.

Compare those specifications to the Radeon R7 M360, which has core clock speeds of 1125 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 7990, in theory, should perform much faster than the Radeon R7 M360 in general. (explain)

Radeon HD 7990 576000 MB/sec
Radeon R7 M360 16000 MB/sec
Difference: 560000 (3500%)

Texel Rate

The Radeon HD 7990 should be a lot (about 801%) faster with regards to anisotropic filtering than the Radeon R7 M360. (explain)

Radeon HD 7990 243200 Mtexels/sec
Radeon R7 M360 27000 Mtexels/sec
Difference: 216200 (801%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 7990 is the winner, by a large margin. (explain)

Radeon HD 7990 60800 Mpixels/sec
Radeon R7 M360 9000 Mpixels/sec
Difference: 51800 (576%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon HD 7990

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 7990 Radeon R7 M360
Manufacturer AMD AMD
Year April 2013 2015
Code Name Malta Oland
Memory 3072 MB (x2) 2048 MB
Core Speed 950 MHz (x2) 1125 MHz
Memory Speed 6000 MHz (x2) 2000 MHz
Power (Max TDP) 375 watts (Unknown) watts
Bandwidth 576000 MB/sec 16000 MB/sec
Texel Rate 243200 Mtexels/sec 27000 Mtexels/sec
Pixel Rate 60800 Mpixels/sec 9000 Mpixels/sec
Unified Shaders 2048 (x2) 384
Texture Mapping Units 128 (x2) 24
Render Output Units 32 (x2) 8
Bus Type GDDR5 DDR3
Bus Width 384-bit (x2) 64-bit
Fab Process 28 nm 28 nm
Transistors 4313 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.1 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the video card will be at handling 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 the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon HD 7990

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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