Radeon R7 M360 vs Radeon R9 380 4G

Intro

Compare those specifications to the Radeon R9 380 4G, which comes with a core clock speed of 970 MHz and a GDDR5 memory frequency of 1425 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It is comprised of 1792 SPUs, 112 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 380 4G should be 1040% faster than the Radeon R7 M360 overall, due to its higher data rate. (explain)

Radeon R9 380 4G		182400 MB/sec
Radeon R7 M360		16000 MB/sec
	Difference: 166400 (1040%)

Texel Rate

The Radeon R9 380 4G is quite a bit (more or less 302%) faster with regards to texture filtering than the Radeon R7 M360. (explain)

Radeon R9 380 4G		108640 Mtexels/sec
Radeon R7 M360		27000 Mtexels/sec
	Difference: 81640 (302%)

Pixel Rate

The Radeon R9 380 4G should be a lot (approximately 245%) better at FSAA than the Radeon R7 M360, and also will be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon R9 380 4G		31040 Mpixels/sec
Radeon R7 M360		9000 Mpixels/sec
	Difference: 22040 (245%)

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 largest amount of data (measured in MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The higher this number, 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 maximum number of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.