Radeon R7 370 4G vs Radeon R9 M370X

Intro

Compare all of that to the Radeon R9 M370X, which features a clock frequency of 800 MHz and a GDDR5 memory speed of 1125 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is comprised of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R7 370 4G will be 149% faster than the Radeon R9 M370X in general, because of its higher bandwidth. (explain)

Radeon R7 370 4G		179200 MB/sec
Radeon R9 M370X		72000 MB/sec
	Difference: 107200 (149%)

Texel Rate

The Radeon R7 370 4G should be much (about 95%) faster with regards to texture filtering than the Radeon R9 M370X. (explain)

Radeon R7 370 4G		62400 Mtexels/sec
Radeon R9 M370X		32000 Mtexels/sec
	Difference: 30400 (95%)

Pixel Rate

The Radeon R7 370 4G is much (about 144%) faster with regards to FSAA than the Radeon R9 M370X, and also will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R7 370 4G		31200 Mpixels/sec
Radeon R9 M370X		12800 Mpixels/sec
	Difference: 18400 (144%)

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 max amount of data (counted in MB per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses 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 high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed 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 higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

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