Phone Comparison - Samsung I9100 Galaxy S II vs Lenovo S850 vs Xiaomi Redmi Note

general General Info

Manufacturer Samsung Lenovo Xiaomi
Announced February 2011 February 2014 March 2014
Status Available - April 2011 Coming Soon - June 2014 Available - March 2014
Colors Black, White, Pink White, Pink Various
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
141 x 71 x 8.2 mm
(5.55 x 2.8 x 0.32 in)
154 x 78.7 x 9.45 mm
(6.06 x 3.1 x 0.37 in)
Weight 116 g (4.09 oz) 140 g (4.94 oz) 199 g (7.02 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900
GSM 850 / 1800 / 1900
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 1900
HSDPA 1900 / 2100
Messaging SMS, MMS, IM SMS, MMS, Push Mail, 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, v4.2 (Jelly Bean)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582 Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592
GPU Mali-400MP Mali-400MP2 Mali-450MP4
RAM 1 GB 1 GB 1/2 GB
Internal Memory 16 GB/32 GB storage 16 GB ROM 8 GB
External Memory microSD, up to 32GB, 8 GB included No 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 5.0 inches 5.5 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 63.52% 68.71% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM Radio with Recording 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 13 MP, 4128 x 3096 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 Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 5 MP, Wide Angle [Similar] 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, 21 Mbps; HSUPA, 5.76 Mbps HSPA+
Bluetooth Yes, v3.0+HS Yes, v3.0 with A2DP, HS 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 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, v2.0 microUSB (MHL), USB On-the-go Yes, microUSB v2.0, USB On-the-go microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS
Browser HTML HTML5 HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 16 GB ROM, 1 GB RAM 8 GB, 1/2 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included No 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 not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Po Battery Li-Po Battery
Capacity 1650 mAh 2000 mAh 3100 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 336 h -
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 13 h -