Samsung I9506 Galaxy S4 vs Xiaomi Mi 3 vs Xiaomi Mi 4

General Info

Manufacturer
Samsung	Xiaomi	Xiaomi
Announced
Q3 2013	September 2013	July 2014
Status
Available - Q3 2013	Available - December 2013	Available - Q3 2014
Colors
White Frost, Black Mist / Arctic Blue, Red Aurora	Various	Black, White
Form Factor
Candybar	Candybar	Candybar
Dimension
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in)	144 x 73.6 x 8.1 mm (5.67 x 2.9 x 0.32 in)	139.2 x 68.5 x 8.9 mm (5.48 x 2.7 x 0.35 in)
Weight
130 g (4.59 oz)	145 g (5.11 oz)	149 g (5.26 oz)
2G Network
GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 1900 / 2100 HSDPA	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE 800 / 850 / 900 / 1800 / 2100 / 2600	-	LTE
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM

OS
Android OS, v4.2.2 (Jelly Bean)	Android OS, v4.4 (KitKat) optimized with MIUI version 5	Android OS, v4.4.3 (KitKat)
Processor
Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800	Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800	Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801
GPU
Adreno 330	Adreno 330	Adreno 330
RAM
2 GB	2 GB	3 GB
Internal Memory
16/32 GB	16/64 GB	16/64 GB
External Memory
microSD, up to 64 GB	No	No

Type
Super AMOLED capacitive touchscreen	IPS LCD capacitive touchscreen	IPS LCD capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.0 inches	5.0 inches	5.0 inches
Resolution
1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio
72.15%	64.90%	72.14%
Multi-Touch

Rear Camera
13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels
Flash
LED flash	dual-LED flash	Dual-LED Flash
Features
Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR	Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR	Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video
Yes, 1080p@30fps, dual-video rec.	1080p@30fps, HDR	2160p, 1080p@30fps, HDR
Front Camera
Yes, 2 MP,1080p@30fps, dual video call	2 MP, 1080p@30fps	8 MP, 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps	DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE
Bluetooth
Yes, v4.0 with A2DP, EDR, LE	v4.0, A2DP	v4.0, A2DP
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, 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
Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host	microUSB v2.0 (MHL), USB On-the-go	microUSB v2.0 (MHL), USB On-the-go
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5