Radeon HD 7850 vs Radeon R9 M365X

Intro

Compare those specifications to the Radeon R9 M365X, which comes with a core clock speed of 925 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 made up of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 7850 should in theory perform quite a bit faster than the Radeon R9 M365X overall. (explain)

Radeon HD 7850		153600 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 81600 (113%)

Texel Rate

The Radeon HD 7850 will be quite a bit (more or less 49%) better at texture filtering than the Radeon R9 M365X. (explain)

Radeon HD 7850		55040 Mtexels/sec
Radeon R9 M365X		37000 Mtexels/sec
	Difference: 18040 (49%)

Pixel Rate

The Radeon HD 7850 should be much (more or less 86%) better at anti-aliasing than the Radeon R9 M365X, and also able to handle higher screen resolutions more effectively. (explain)

Radeon HD 7850		27520 Mpixels/sec
Radeon R9 M365X		14800 Mpixels/sec
	Difference: 12720 (86%)

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 largest amount of data (counted in MB per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.