GeForce 800M series
GeForce 800M (8xxM) Series

GeForce 800M series

Section Title: GeForce 800M (8xxM) Series
Table Section Text: None

Model	Launch	Code name	Fab (nm)	Bus interface	Core config1	Clock speed	Fillrate	Memory	API support (version)	Processing Power2 (GFLOPS)	TDP (watts)

Core (MHz)	Shader (MHz)	Memory (MT/s)	Pixel (GP/s)	Texture (GT/s)	Size (MB)	Bandwidth (GB/s)	Bus type	Bus width (bit)	DirectX	OpenGL

GeForce 800M	March 17, 2014	GF117	28	PCIe 2.0 x8	48:8:8	738	1476	2000	5.9	5.9	2048	14.4	DDR3	64	12.0 (11_0)	4.6	141.7	15

GeForce 820M	February 2014	PCIe 2.0 x16	96:16:4	719-954	1438-1908	2.9-3.8	11.5-15.3	16	276.1-366.3	15

GeForce 830M	March 12, 2014	GM108	PCIe 3.0 x16	256:16:8 (2 SMM)	1029	1029	8.2	16.5	14.4	790.3	30

GeForce 840M	384:24:8 (3 SMM)	1029	1029	8.2	24.7	16	790.3	30

GeForce GTX 850M	GM107	640:40:16 (5 SMM)	936+Boost	936+Boost	5000	14.0	35.0	2048 4096	32 to 80	DDR3 or GDDR5	128	1198.1	40

GeForce GTX 860M	GM107 GK104	640:40:16 (5 SMM) 1152:96:16 (6 SMX)	1029+Boost 797+Boost	1029+Boost 797+Boost	16.5 12.8	41.2 76.5	80	GDDR5	1317.1 1836.3	40-45 75

GeForce GTX 870M	GK104	1344:112:24 (7 SMX)	941+Boost	941+Boost	22.6	105.4	3072 6144	120	192	2529.4	100

GeForce GTX 880M	1536:128:32 (8 SMX)	954+Boost	954+Boost	30.5	122.1	4096 8192	160	256	2930.7	105

Sentence(s)

GM107 has the memory bus of 128 bit.
GeForce 800M series cut the memory bus to 128 bit on GM107 from 192 bit.

final_sentence: GM107 has the memory bus of 128 bit.
final_sentence: GeForce 800M series cut the memory bus to 128 bit on GM107 from 192 bit.