What are the differences between NVIDIA GeForce GTX 980 and NVIDIA GeForce GTX 970 and NVIDIA GeForce 900 and NVIDIA GeForce GTX 950

The parameters are only for reference, and the products are subject to the local actual sales.

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	NVIDIA AMD NVIDIA Intel NVIDIA GeForce GTX 980	NVIDIA AMD NVIDIA Intel NVIDIA GeForce GTX 970	NVIDIA AMD NVIDIA Intel NVIDIA GeForce GTX 960	NVIDIA AMD NVIDIA Intel NVIDIA GeForce GTX 950
Model name	NVIDIA GeForce GTX 980	NVIDIA GeForce GTX 970	NVIDIA GeForce GTX 960	NVIDIA GeForce GTX 950
offer	Stop production [Beijing] five Merchants	Stop production [Beijing] five Merchants	Stop production [Beijing] five Merchants	Stop production [Beijing] five Merchants
E-commerce on sale
comment	seven point five fifty-nine People comment	seven point five fifty-nine People comment	seven point five fifty-nine People comment	seven point five fifty-nine People comment
main parameter
Applicable type	Desktop	Desktop	Desktop	Desktop
Sandy Bridge	GM204	GM204	GM206	GM206
manufacturing process	28nm	28nm	28nm	28nm
Core frequency	1126MHz	1050MHz	1127/1178MHz	1024/1188MHz
Video memory type	DDR5 support	DDR5 support	DDR5 support	Support GDDR5
Memory capacity	4096MB	4096MB	4096MB	2048MB
Memory interface	256bit	256bit	128bit	128bit
Memory frequency	7008MHz	7008MHz	7010MHz	6600MHz
Video memory bandwidth	224GB/s	224GB/s	148.8GB/s	105.6GB/s
DirectX Version	twelve	twelve	—	DirectX 12
graphics interface	PCI Express 3.0 x16	PCI Express 3.0 x16	—	PCI Express 3.0 x16
Display output interface	HDMI interface/DVI interface/3 DisplayPort interfaces	HDMI interface/DVI interface/3 DisplayPort interfaces	HDMI/DVI/3 DisplayPort interfaces	HDMI interface/DVI interface/DisplayPort interface
Auxiliary power supply	6pin+6pin	6pin+6pin	6pin	6pin
Maximum power consumption	—	—	120W	90W
Other parameters
Core area	398 mm2	398 mm2	—	—
Number of transistors	5 billion 200 million	5 billion 200 million	2 billion 900 million	—
Number of stream processors	2048	1664	1024	768
Number of texture units	128	104	64	48
Number of ROP units	64	64	32	32
Theoretical computing capability	4.6TFLOPs	2.44TFLOPs	—	—
Release date	2014.09.19	2014.09.19	January 22, 2015	August 20, 2015
resolving power	—	—	—	Maximum: 5120 × 3200