Radeon HD 5750 512MB vs Radeon R9 M365X

Intro

Compare those specifications to the Radeon R9 M365X, which comes with GPU clock speed of 925 MHz, and 4096 MB of GDDR5 memory set to run at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon HD 5750 512MB should be just a bit faster than the Radeon R9 M365X in general. (explain)

Radeon HD 5750 512MB		73600 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 1600 (2%)

Texel Rate

The Radeon R9 M365X should be much (approximately 47%) more effective at anisotropic filtering than the Radeon HD 5750 512MB. (explain)

Radeon R9 M365X		37000 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 11800 (47%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 M365X is the winner, by far. (explain)

Radeon R9 M365X		14800 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 3600 (32%)

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 (measured in MB per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.