GeForce 810M vs Radeon R9 380 2G

Intro

Compare those specifications to the Radeon R9 380 2G, which has core speeds of 970 MHz on the GPU, and 1425 MHz on the 2048 MB of GDDR5 RAM. It features 1792 SPUs as well as 112 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
Radeon R9 380 2G		190 Watts
	Difference: 175 Watts (1167%)

Memory Bandwidth

The Radeon R9 380 2G should theoretically perform a lot faster than the GeForce 810M in general. (explain)

Radeon R9 380 2G		182400 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 168000 (1167%)

Texel Rate

The Radeon R9 380 2G is much (more or less 1740%) faster with regards to AF than the GeForce 810M. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 102736 (1740%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 380 2G is superior to the GeForce 810M, by far. (explain)

Radeon R9 380 2G		31040 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 28088 (951%)

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 maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better 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 are processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. 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 many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.