Radeon R7 370 4G vs Radeon R9 M395X

Intro

Compare those specs to the Radeon R9 M395X, which features a GPU core clock speed of 723 MHz, and 4096 MB of GDDR5 memory set to run at 1250 MHz through a 256-bit bus. It also features 2048 SPUs, 128 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G		110 Watts
Radeon R9 M395X		125 Watts
	Difference: 15 Watts (14%)

Memory Bandwidth

The Radeon R7 370 4G, in theory, should be just a bit faster than the Radeon R9 M395X overall. (explain)

Radeon R7 370 4G		179200 MB/sec
Radeon R9 M395X		160000 MB/sec
	Difference: 19200 (12%)

Texel Rate

The Radeon R9 M395X should be quite a bit (more or less 48%) faster with regards to texture filtering than the Radeon R7 370 4G. (explain)

Radeon R9 M395X		92544 Mtexels/sec
Radeon R7 370 4G		62400 Mtexels/sec
	Difference: 30144 (48%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R7 370 4G is the winner, and very much so. (explain)

Radeon R7 370 4G		31200 Mpixels/sec
Radeon R9 M395X		23136 Mpixels/sec
	Difference: 8064 (35%)

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 information (counted in megabytes per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 in one second. This number 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 video 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 that the graphics chip can 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 Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.