Phone Comparison - Samsung I9100 Galaxy S II vs Xiaomi Redmi Note 4G vs Xiaomi Redmi 2

general General Info

Manufacturer Samsung Xiaomi Xiaomi
Announced February 2011 August 2014 January 2015
Status Available - April 2011 Available - November 2014 Available - January 2015
Price - - Rs. 5,999 ($88.22) [Similarly Priced]
Colors Black, White, Pink Black/White Black, White, Yellow, Pink, Green
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 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 116 g (4.09 oz) 199 g (7.02 oz) 133 g (4.69 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1900 / 2000 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
4G Network - TD-LTE 1900 / 2300 / 2600 LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
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 (Jelly Bean) Android OS, v4.4 (KitKat)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Mali-400MP Adreno 305 Adreno 306
RAM 1 GB 2 GB 1 GB
Internal Memory 16 GB/32 GB storage 8 GB 8 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 IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.5 inches 4.7 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 63.52% 68.82% 67.83%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio 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, 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 1080p@30fps Yes, 1080p
Front Camera Yes, 2 MP [Similar] 5 MP [Similar] 2 MP, 720p [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 TD-SCDMA; LTE HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0+HS v4.0, A2DP, LE 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, v2.0 microUSB (MHL), USB On-the-go microUSB v2.0, USB On-the-go microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML HTML5 HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 8 GB, 2 GB RAM 8 GB, 1 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 -

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 not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Po Battery Li-Po Battery
Capacity 1650 mAh 3200 mAh 2200 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 775 h (3G) -
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 38 h (2G)
Up to 14 h (3G)
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