Radeon R9 290X vs Radeon R9 M370X

Intro

Compare those specs 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 memory bus, and makes use of a 28 nm design. It is comprised of 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon R9 290X should theoretically be quite a bit better than the Radeon R9 M370X overall. (explain)

Radeon R9 290X		320000 MB/sec
Radeon R9 M370X		72000 MB/sec
	Difference: 248000 (344%)

Texel Rate

The Radeon R9 290X will be much (more or less 340%) faster with regards to texture filtering than the Radeon R9 M370X. (explain)

Radeon R9 290X		140800 Mtexels/sec
Radeon R9 M370X		32000 Mtexels/sec
	Difference: 108800 (340%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 290X is a better choice, by far. (explain)

Radeon R9 290X		51200 Mpixels/sec
Radeon R9 M370X		12800 Mpixels/sec
	Difference: 38400 (300%)

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 (measured in megabytes per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 processed in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the graphics 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 amount of pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.