GeForce 820M vs Radeon R7 M360

Intro

Compare those specifications to the Radeon R7 M360, which makes use of a 28 nm design. AMD has clocked the core frequency at 1125 MHz. The DDR3 memory works at a frequency of 1000 MHz on this specific card. It features 384 SPUs along with 24 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so in theory they should perform the same. (explain)

Texel Rate

The Radeon R7 M360 will be a lot (approximately 135%) faster with regards to AF than the GeForce 820M. (explain)

Radeon R7 M360		27000 Mtexels/sec
GeForce 820M		11504 Mtexels/sec
	Difference: 15496 (135%)

Pixel Rate

The Radeon R7 M360 will be a lot (approximately 213%) faster with regards to anti-aliasing than the GeForce 820M, and also capable of handling higher resolutions without losing too much performance. (explain)

Radeon R7 M360		9000 Mpixels/sec
GeForce 820M		2876 Mpixels/sec
	Difference: 6124 (213%)

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 transferred across the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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