GeForce 810M vs Radeon R9 295X2

Intro

Compare all of that to the Radeon R9 295X2, which comes with core speeds of 1018 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 memory. It features 2816 SPUs along with 176 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
Radeon R9 295X2		500 Watts
	Difference: 485 Watts (3233%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 295X2 is 4344% faster than the GeForce 810M in general, due to its greater data rate. (explain)

Radeon R9 295X2		640000 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 625600 (4344%)

Texel Rate

The Radeon R9 295X2 is much (approximately 5969%) faster with regards to texture filtering than the GeForce 810M. (explain)

Radeon R9 295X2		358336 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 352432 (5969%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 295X2 is a better choice, by a large margin. (explain)

Radeon R9 295X2		130304 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 127352 (4314%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few 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.