Samsung I9505 Galaxy S4 vs Xiaomi Mi 3 vs Xiaomi Redmi 2

General Info

Manufacturer
Samsung	Xiaomi	Xiaomi
Announced
March 2013	September 2013	January 2015
Status
Available - April 2013	Available - December 2013	Available - January 2015
Price
-	-	Rs. 5,999 ($88.22) [Similarly Priced]
Colors
White Frost, Black Mist	Various	Black, White, Yellow, Pink, Green
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)	134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in)
Weight
130 g (4.59 oz)	145 g (5.11 oz)	133 g (4.69 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 1900 / 2100 TD-SCDMA 1900 / 2100
4G Network
LTE	-	LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
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 (KitKat)
Processor
Quad-core 1.9 GHz Krait 300, Qualcomm APQ8064T Snapdragon 600	Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800	Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU
Adreno 320	Adreno 330	Adreno 306
RAM
2 GB	2 GB	1 GB
Internal Memory
16/32/64 GB storage	16/64 GB	8 GB
External Memory
microSD, up to 64 GB	No	microSD, up to 32 GB

Type
Super AMOLED capacitive touchscreen	IPS LCD capacitive touchscreen	IPS LCD Capacitive Touchscreen
Colors
16M colors	16M colors	16M colors
Size
4.99 inches	5.0 inches	4.7 inches
Resolution
1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (441 ppi)	720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio
72.15%	64.90%	67.83%
Multi-Touch

Rear Camera
13 MP, 4128 x 3096 pixels, Autofocus	13 MP, 4128 x 3096 pixels	8 MP, 3264 x 2448 pixels
Flash
LED flash	dual-LED flash	LED flash
Features
Drama Shot, Eraser, Sound and 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, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR
Video
Yes, 1080p@30fps	1080p@30fps, HDR	Yes, 1080p
Front Camera
Yes, 2 MP, Full HD 1080p@30fps	2 MP, 1080p@30fps	2 MP, 720p

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL	DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps	HSPA, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v4.0 with A2DP, EDR	v4.0, A2DP	v4.0, A2DP
Wi-Fi
Wi-Fi 802.11 a/b/g/n, 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 b/g/n, hotspot
USB
Yes, microUSB v2.0 (MHL), USB On-the-go	microUSB v2.0 (MHL), USB On-the-go	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, Beidou
Browser
HTML5, Adobe Flash	HTML5	HTML5