Radeon R9 M295X vs Radeon R9 M365X

Intro

Compare all of that to the Radeon R9 M365X, which comes with a clock speed of 925 MHz and a GDDR5 memory frequency of 1125 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R9 M295X is 144% quicker than the Radeon R9 M365X overall, due to its higher data rate. (explain)

Radeon R9 M295X		176000 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 104000 (144%)

Texel Rate

The Radeon R9 M295X will be a lot (about 159%) faster with regards to anisotropic filtering than the Radeon R9 M365X. (explain)

Radeon R9 M295X		96000 Mtexels/sec
Radeon R9 M365X		37000 Mtexels/sec
	Difference: 59000 (159%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 M295X is superior to the Radeon R9 M365X, and very much so. (explain)

Radeon R9 M295X		24000 Mpixels/sec
Radeon R9 M365X		14800 Mpixels/sec
	Difference: 9200 (62%)

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 maximum amount of information (counted in MB per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 can be applied in one second. This figure is worked out by multiplying the total 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.