GeForce 810M vs Radeon R9 270X

Intro

Compare those specs to the Radeon R9 270X, which makes use of a 28 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 memory runs at a frequency of 1400 MHz on this card. It features 1280 SPUs as well as 80 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 270X		180 Watts
	Difference: 165 Watts (1100%)

Memory Bandwidth

As far as performance goes, the Radeon R9 270X should in theory be quite a bit superior to the GeForce 810M in general. (explain)

Radeon R9 270X		179200 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 164800 (1144%)

Texel Rate

The Radeon R9 270X will be a lot (approximately 1255%) better at texture filtering than the GeForce 810M. (explain)

Radeon R9 270X		80000 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 74096 (1255%)

Pixel Rate

The Radeon R9 270X will be quite a bit (approximately 984%) better at FSAA than the GeForce 810M, and should be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon R9 270X		32000 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 29048 (984%)

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 MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory per 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 - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.