Radeon R9 380 2G vs Radeon R9 M365X

Intro

Compare those specifications to the Radeon R9 M365X, which features a clock speed of 925 MHz and a GDDR5 memory speed of 1125 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 380 2G should in theory be much superior to the Radeon R9 M365X in general. (explain)

Radeon R9 380 2G		182400 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 110400 (153%)

Texel Rate

The Radeon R9 380 2G will be much (more or less 194%) faster with regards to anisotropic filtering than the Radeon R9 M365X. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
Radeon R9 M365X		37000 Mtexels/sec
	Difference: 71640 (194%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 380 2G is superior to the Radeon R9 M365X, by a large margin. (explain)

Radeon R9 380 2G		31040 Mpixels/sec
Radeon R9 M365X		14800 Mpixels/sec
	Difference: 16240 (110%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If 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 can be processed per second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines 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, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.