Phone Comparison - Samsung I9100 Galaxy S II vs Lenovo S820 vs Lenovo A706

general General Info

Manufacturer Samsung Lenovo Lenovo
Announced February 2011 May 2013 2013
Status Available - April 2011 Available - May 2013 Available - 2013
Colors Black, White, Pink Flamingo red Black, White/Grey
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
136 x 69 x 10.4 mm
(5.35 x 2.72 x 0.41 in)
Weight 116 g (4.09 oz) 143 g (5.04 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 1900
Messaging SMS, MMS, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, 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, v4.1 (Jelly Bean)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.2 GHz, MTK 6589W Quad-core 1.2 GHz, Qualcomm MSM8225Q Snapdragon
GPU Mali-400MP PowerVR SGX544 Adreno 203
RAM 1 GB 1 GB 1 GB
Internal Memory 16 GB/32 GB storage 4 GB 4 GB
External Memory microSD, up to 32GB, 8 GB included microSD, up to 32 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 4.7 inches 4.5 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (312 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 63.52% 62.82% 59.30%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio; built-in antenna FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 12 MP, 4000 x 3000 pixels 5 MP, 2592x1944 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 Auto focus, Geo-tagging
Video Yes, 1080p@30fps Yes Yes
Front Camera Yes, 2 MP [Similar] Yes, 2 MP [Similar] Yes, VGA [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, HSUPA HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0+HS Yes, v3.0 with A2DP Yes, v3.0
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, dual band Wi-Fi 802.11 a/b/g/n, dual band
USB Yes, v2.0 microUSB (MHL), USB On-the-go Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML HTML

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 4 GB, 1 GB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included microSD, up to 32 GB microSD, up to 32 GB
USB OTG 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 2000 mAh 2000 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 140 h (2G)
Up to 140 h (3G)
Up to 230 h (2G)
Up to 180 h (3G)
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 22 h (2G)
Up to 10 h (3G)
Up to 16 h (2G)
Up to 14 h (3G)