GeForce GT 210 vs GeForce GTX 870M

Intro

Compare those specifications to the GeForce GTX 870M, which comes with core speeds of 941 MHz on the GPU, and 1000 MHz on the 3072 MB of GDDR5 RAM. It features 1344 SPUs as well as 112 Texture Address Units and 24 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 210		31 Watts
GeForce GTX 870M		110 Watts
	Difference: 79 Watts (255%)

Memory Bandwidth

The GeForce GTX 870M should theoretically be much faster than the GeForce GT 210 overall. (explain)

GeForce GTX 870M		96000 MB/sec
GeForce GT 210		12800 MB/sec
	Difference: 83200 (650%)

Texel Rate

The GeForce GTX 870M is much (about 2137%) better at anisotropic filtering than the GeForce GT 210. (explain)

GeForce GTX 870M		105392 Mtexels/sec
GeForce GT 210		4712 Mtexels/sec
	Difference: 100680 (2137%)

Pixel Rate

The GeForce GTX 870M will be quite a bit (more or less 859%) more effective at anti-aliasing than the GeForce GT 210, and should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 870M		22584 Mpixels/sec
GeForce GT 210		2356 Mpixels/sec
	Difference: 20228 (859%)

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 max amount of data (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 bus width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.