Radeon R9 380 2G vs Radeon R9 M375

Intro

Compare those specs to the Radeon R9 M375, which has a core clock frequency of 1015 MHz and a DDR3 memory frequency of 1100 MHz. It also features 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

Theoretically speaking, the Radeon R9 380 2G should be a lot faster than the Radeon R9 M375 in general. (explain)

Radeon R9 380 2G		182400 MB/sec
Radeon R9 M375		35200 MB/sec
	Difference: 147200 (418%)

Texel Rate

The Radeon R9 380 2G should be quite a bit (about 168%) better at texture filtering than the Radeon R9 M375. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
Radeon R9 M375		40600 Mtexels/sec
	Difference: 68040 (168%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon R9 380 2G is superior to the Radeon R9 M375, by far. (explain)

Radeon R9 380 2G		31040 Mpixels/sec
Radeon R9 M375		16240 Mpixels/sec
	Difference: 14800 (91%)

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 maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.