Xiaomi Mi 4 vs Xiaomi Redmi Note 4G vs Samsung Galaxy Note 4

General Info

Manufacturer
Xiaomi	Xiaomi	Samsung
Announced
July 2014	August 2014	September 2014
Status
Available - Q3 2014	Available - November 2014	Available - October 2014
Colors
Black, White	Black/White	Frosted white, Charcoal black, Bronze Gold, Blossom Pink
Form Factor
Candybar	Candybar	Candybar
Dimension
139.2 x 68.5 x 8.9 mm (5.48 x 2.7 x 0.35 in)	154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in)	153.5 x 78.6 x 8.5 mm (6.04 x 3.09 x 0.33 in)
Weight
149 g (5.26 oz)	199 g (7.02 oz)	176 g (6.21 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 1900 / 2100	TD-SCDMA 1900 / 2000	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE	TD-LTE 1900 / 2300 / 2600	LTE 800 / 850 / 900 / 1800 / 2100 / 2600
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM

OS
Android OS, v4.4.3 (KitKat)	Android OS, v4.2 (Jelly Bean)	Android OS, v4.4.4 (KitKat)
Processor
Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801	Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400	Quad-core 2.7 GHz Krait 450 (SM-N910S) Quad-core 1.3 GHz Cortex-A53 & 1.9GHz quad-core Cortex-A57 (SM-N910C), Qualcomm Snapdragon 805 (SM-N910S) Exynos 5433 (SM-N910C)
GPU
Adreno 330	Adreno 305	Adreno 420 (SM-N910S) Mali-T760 (SM-N910C)
RAM
3 GB	2 GB	3 GB
Internal Memory
16/64 GB	8 GB	32 GB
External Memory
No	microSD, up to 64 GB	microSD, up to 64 GB

Type
IPS LCD capacitive touchscreen	IPS LCD capacitive touchscreen	Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3
Colors
16M colors	16M colors	16M colors
Size
5.0 inches	5.5 inches	5.7 inches
Resolution
1080 x 1920 pixels (441 ppi)	720 x 1280 pixels (267 ppi)	1440 x 2560 pixels (515 ppi)
Screen-to-Body Ratio
72.14%	68.82%	74.32%
Multi-Touch

Rear Camera
13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels	16 MP, 3456 x 4608 pixels
Flash
Dual-LED Flash	LED flash	LED Flash
Features
Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR	Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR	Auto focus, Smart OIS, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, Panorama, HDR
Video
2160p, 1080p@30fps, HDR	1080p@30fps	2160p@30fps, 1080p@60fps, optical stabilization
Front Camera
8 MP, 1080p@30fps	5 MP	3.7 MP, 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE	TD-SCDMA; LTE	HSDPA, 42 Mbps; HSUPA; LTE, Cat4 (N910C), Cat6 (N910S), 50 Mbps UL, 300 Mbps (N910S), 150 Mbps (N910C) DL
Bluetooth
v4.0, A2DP	v4.0, A2DP, LE	v4.1, A2DP, EDR, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB
microUSB v2.0 (MHL), USB On-the-go	microUSB v2.0, USB On-the-go	microUSB v2.0 (MHL 2), USB Host
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, Baidu
Browser
HTML5	HTML5	HTML5