Samsung I9506 Galaxy S4 vs Xiaomi Redmi Note 4G vs Xiaomi Redmi 2

General Info

Manufacturer
Samsung	Xiaomi	Xiaomi
Announced
Q3 2013	August 2014	January 2015
Status
Available - Q3 2013	Available - November 2014	Available - January 2015
Price
-	-	Rs. 5,999 ($88.22) [Similarly Priced]
Colors
White Frost, Black Mist / Arctic Blue, Red Aurora	Black/White	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)	154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in)	134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in)
Weight
130 g (4.59 oz)	199 g (7.02 oz)	133 g (4.69 oz)
2G Network
GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO	GSM 900 / 1800 / 1900	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100 HSDPA	TD-SCDMA 1900 / 2000	HSDPA 850 / 1900 / 2100 TD-SCDMA 1900 / 2100
4G Network
LTE 800 / 850 / 900 / 1800 / 2100 / 2600	TD-LTE 1900 / 2300 / 2600	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, v4.2 (Jelly Bean)	Android OS, v4.4 (KitKat)
Processor
Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800	Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400	Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU
Adreno 330	Adreno 305	Adreno 306
RAM
2 GB	2 GB	1 GB
Internal Memory
16/32 GB	8 GB	8 GB
External Memory
microSD, up to 64 GB	microSD, up to 64 GB	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
5.0 inches	5.5 inches	4.7 inches
Resolution
1080 x 1920 pixels (441 ppi)	720 x 1280 pixels (267 ppi)	720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio
72.15%	68.82%	67.83%
Multi-Touch

Rear Camera
13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels	8 MP, 3264 x 2448 pixels
Flash
LED flash	LED flash	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, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR
Video
Yes, 1080p@30fps, dual-video rec.	1080p@30fps	Yes, 1080p
Front Camera
Yes, 2 MP,1080p@30fps, dual video call	5 MP	2 MP, 720p

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	TD-SCDMA; LTE	HSPA, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v4.0 with A2DP, EDR, LE	v4.0, A2DP, LE	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 b/g/n, hotspot
USB
Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host	microUSB v2.0, 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	HTML5	HTML5