Phone Comparison - Samsung I9100 Galaxy S II vs Samsung I9506 Galaxy S4 vs Xiaomi Redmi 2 Pro

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced February 2011 Q3 2013 Expected Announcement - Q4 2015
Status Available - April 2011 Available - Q3 2013 Rumored - Q4 2015
Price - - Rs. 8,499 ($125.00) [Similarly Priced]
Colors Black, White, Pink White Frost, Black Mist / Arctic Blue, Red Aurora White, Dark gray
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
136.6 x 69.8 x 7.9 mm
(5.38 x 2.75 x 0.31 in)
-
Weight 116 g (4.09 oz) 130 g (4.59 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA HSDPA
4G Network - LTE 800 / 850 / 900 / 1800 / 2100 / 2600 LTE band 2(1900), 4(1700/2100), 7(2600)
Messaging SMS, MMS, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v4.2.2 (Jelly Bean) Android OS, v4.4.4 (KitKat)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Mali-400MP Adreno 330 Adreno 306
RAM 1 GB 2 GB 2 GB
Internal Memory 16 GB/32 GB storage 16/32 GB 16 GB
External Memory microSD, up to 32GB, 8 GB included microSD, up to 64 GB microSD, up to 32 GB

display Display

Type Super AMOLED Plus capacitive touchscreen Super AMOLED capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.0 inches 4.7 inches
Resolution 480 x 800 pixels (217 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 63.52% 72.15% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS No FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR -
Video Yes, 1080p@30fps Yes, 1080p@30fps, dual-video rec. Yes, 1080p
Front Camera Yes, 2 MP [Similar] Yes, 2 MP,1080p@30fps, dual video call [Similar] Yes, 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0+HS Yes, v4.0 with A2DP, EDR, LE v4.0, A2DP, LE
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, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB Yes, v2.0 microUSB (MHL), USB On-the-go Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host microUSB v2.0, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML HTML5 HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 16/32 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included microSD, up to 64 GB microSD, up to 32 GB
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Po Battery
Capacity 1650 mAh 2600 mAh 2200 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 370 h (3G) -
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 17 h (3G) -