Radeon R7 360 vs Radeon R9 M380

Intro

Compare that to the Radeon R9 M380, which comes with a GPU core clock speed of 1000 MHz, and 4096 MB of GDDR5 memory running at 1500 MHz through a 128-bit bus. It also is made up of 640 Stream Processors, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R7 360 should theoretically be a little bit faster than the Radeon R9 M380 overall. (explain)

Radeon R7 360		104000 MB/sec
Radeon R9 M380		96000 MB/sec
	Difference: 8000 (8%)

Texel Rate

The Radeon R7 360 will be quite a bit (approximately 26%) better at anisotropic filtering than the Radeon R9 M380. (explain)

Radeon R7 360		50400 Mtexels/sec
Radeon R9 M380		40000 Mtexels/sec
	Difference: 10400 (26%)

Pixel Rate

The Radeon R7 360 is a bit (about 5%) more effective at AA than the Radeon R9 M380, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon R7 360		16800 Mpixels/sec
Radeon R9 M380		16000 Mpixels/sec
	Difference: 800 (5%)

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: Bandwidth is the max amount of information (in units of MB per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 once 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.