Radeon HD 7850 vs Radeon R9 M365X

Intro

Compare those specifications to the Radeon R9 M365X, which features core speeds of 925 MHz on the GPU, and 1125 MHz on the 4096 MB of GDDR5 RAM. It features 640 SPUs along with 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 7850 should in theory be a lot 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 is a lot (approximately 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 a lot (about 86%) more effective at anti-aliasing than the Radeon R9 M365X, and also will be capable of handling higher screen resolutions without losing too much performance. (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 max amount of data (counted in MB per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.