Radeon R7 370 2G vs Radeon R9 M290X

Intro

Compare all of that to the Radeon R9 M290X, which features GPU core speed of 850 MHz, and 4096 MB of GDDR5 RAM set to run at 1200 MHz through a 256-bit bus. It also is comprised of 1280 SPUs, 80 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M290X		100 Watts
Radeon R7 370 2G		110 Watts
	Difference: 10 Watts (10%)

Memory Bandwidth

The Radeon R7 370 2G should theoretically perform a little bit faster than the Radeon R9 M290X overall. (explain)

Radeon R7 370 2G		179200 MB/sec
Radeon R9 M290X		153600 MB/sec
	Difference: 25600 (17%)

Texel Rate

The Radeon R9 M290X is a bit (about 9%) faster with regards to AF than the Radeon R7 370 2G. (explain)

Radeon R9 M290X		68000 Mtexels/sec
Radeon R7 370 2G		62400 Mtexels/sec
	Difference: 5600 (9%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 370 2G is the winner, but not by far. (explain)

Radeon R7 370 2G		31200 Mpixels/sec
Radeon R9 M290X		27200 Mpixels/sec
	Difference: 4000 (15%)

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 largest amount of information (in units of MB per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.