ZTE Nubia Z9 vs ZTE Nubia Z9 mini vs Xiaomi Mi 4S

General Info

Manufacturer
ZTE	ZTE	Xiaomi
Announced
May 2015	March 2015	February 2016
Status
Available - May 2015	Available - April 2015	Available - April 2016
Price
Rs. 7,490 ($110.15) [Similarly Priced]	Rs. 16,999 ($249.99) [Similarly Priced]	Rs. 15,400 ($225.99) [Similarly Priced]
Colors
Black, White, Gold	Black, White	Black, White, Gold, Purple
Form Factor
Candybar	Candybar	Candybar
Dimension
147.4 x 68.3 x 8.9 mm (5.8 x 2.69 x 0.35 in)	141.3 x 69.8 x 8.2 mm (5.56 x 2.75 x 0.32 in)	139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in)
Weight
192 g (6.77 oz)	147 g (5.19 oz)	133 g (4.69 oz)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA 1900 / 2000	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA 1900 / 2000
3G Network
HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1900 / 2000	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 1900 / 2100 TD-SCDMA 1900 / 2000
4G Network
LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)	LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)	LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging
SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM	SMS, MMS, EMail, IM
Build Features
- Fingerprint sensor (Exclusive edition only)	-	- Fingerprint Sensor - Infrared Sensor
Notification LED
-	-	Yes

OS
Android OS, v5.0.2 (Lollipop)	Nubia UI 2.8, Android OS, v5.0.2 (Lollipop)	Android OS, v6.0 (Marshmallow)
Processor
Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57, Qualcomm MSM8994 Snapdragon 810	Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615	Quad-core 1.44 GHz Cortex-A53 & dual-core 1.82 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808
GPU
Adreno 430	Adreno 405	Adreno 418
RAM
4 GB	2 GB	3 GB
Internal Memory
64 GB	16 GB	64 GB
External Memory
-	microSD, up to 128 GB	microSD, up to 128 GB (Uses SIM 2 Slot)

Type
IPS LCD Capacitive Touchscreen	Capacitive touchscreen	IPS LCD Capacitive Touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.2 inches	5.0 inches	5.0 inches
Resolution
1080 x 1920 pixels (424 ppi)	1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio
73.92%	69.75%	69.75%
Multi-Touch

Rear Camera
16 MP, 2988 x 5312 pixels	16 MP, 5312 x 2988 pixels	13 MP, 4128 x 3096 pixels
Flash
LED Flash	LED flash	Dual-LED (dual tone)
Features
Auto focus, OIS, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR	Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video
2160p@30fps, 1080p@30fps, optical stabilization, stereo sound rec.	1080p@30fps	1080p@30fps, 720p@120fps
Front Camera
8 MP, 1080p@30fps	8 MP, 1080p	5 MP, f/2.0, 1080p

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA, LTE Cat4 150/50 Mbps	HSPA, LTE Cat4 150/50 Mbps	HSPA, LTE Cat4 150/50 Mbps
Bluetooth
v4.1, A2DP	v4.0, A2DP	v4.1, A2DP
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
USB
microUSB v2.0	microUSB v2.0, USB Host	Type-C 1.0 reversible connector, Qualcomm Quick Charge 2.0
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, Beidou
Browser
HTML5	HTML5	HTML5

Internal
64 GB, 4 GB RAM - Exclusive & Elite editions; 32 GB, 3 GB RAM -	16 GB, 2 GB RAM	64 GB, 3 GB RAM
Expandable Storage
-	microSD, up to 128 GB	microSD, up to 128 GB (Uses SIM 2 Slot)
USB OTG
-	Supported	-