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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 runs at 900 MHz through a 64-bit bus. It also features 48 Stream Processors, 8 Texture Address Units, and 4 Raster Operation Units.

Compare those specs to the GeForce 830M, which comes with a core clock speed of 1029 MHz and a DDR3 memory frequency of 900 MHz. It also uses a 64-bit bus, and uses a 28 nm design. It features 256 SPUs, 16 Texture Address Units, 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 memory bandwidth, so in theory they should have the same performance. (explain)

Texel Rate

The GeForce 830M should be much (about 179%) faster with regards to texture filtering than the GeForce 810M. (explain)

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

Pixel Rate

The GeForce 830M should be a lot (approximately 179%) better at AA than the GeForce 810M, and should be able to handle higher screen resolutions without losing too much performance. (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: Memory bandwidth is the largest amount of data (counted in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

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