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GeForce 810M vs GeForce 830M

Intro

The GeForce 810M has a GPU core speed of 738 MHz, and the 1024 MB of DDR3 RAM is set to run at 900 MHz through a 64-bit bus. It also is comprised of 48 SPUs, 8 TAUs, and 4 Raster Operation Units.

Compare those specs to the GeForce 830M, which features a clock speed of 1029 MHz and a DDR3 memory speed of 900 MHz. It also features a 64-bit memory bus, and makes use of a 28 nm design. It features 256 SPUs, 16 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
GeForce 830M		25 Watts
	Difference: 10 Watts (67%)

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

The GeForce 830M should be much (about 179%) better at texture filtering than the GeForce 810M. (explain)

GeForce 830M		16464 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 10560 (179%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce 830M is a better choice, and very much so. (explain)

GeForce 830M		8232 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 5280 (179%)

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

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GeForce 810M

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GeForce 830M

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model	GeForce 810M	GeForce 830M
Manufacturer	nVidia	nVidia
Year	February 2014	March 12 2014
Code Name	GF117	GM108
Memory	1024 MB	2048 MB
Core Speed	738 MHz	1029 MHz
Memory Speed	1800 MHz	1800 MHz
Power (Max TDP)	15 watts	25 watts
Bandwidth	14400 MB/sec	14400 MB/sec
Texel Rate	5904 Mtexels/sec	16464 Mtexels/sec
Pixel Rate	2952 Mpixels/sec	8232 Mpixels/sec
Unified Shaders	48	256
Texture Mapping Units	8	16
Render Output Units	4	8
Bus Type	DDR3	DDR3
Bus Width	64-bit	64-bit
Fab Process	28 nm	28 nm
Transistors	(Unknown) million	(Unknown) million
Bus	PCIe 2.0 x16	PCIe 3.0 x16
DirectX Version	DirectX 12	DirectX 12
OpenGL Version	OpenGL 4.5	OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

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