Phone Comparison - Samsung I9100 Galaxy S II vs Lenovo S820 vs Oppo R1 R829T

general General Info

Manufacturer Samsung Lenovo Oppo
Announced February 2011 May 2013 December 2013
Status Available - April 2011 Available - May 2013 Available - December 2013
Colors Black, White, Pink Flamingo red White, Black
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)
142.7 x 70.4 x 7.1 mm
(5.62 x 2.77 x 0.28 in)
Weight 116 g (4.09 oz) 143 g (5.04 oz) 140 g (4.94 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 TD-SCDMA 1880-1920/ 2010-2025
Messaging SMS, MMS, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v4.2 (Jelly Bean) Android OS, v4.2.1 (Jelly Bean)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.2 GHz, MTK 6589W Quad-core 1.3 GHz, MediaTek MT6582
GPU Mali-400MP PowerVR SGX544 Mali-400MP2
RAM 1 GB 1 GB 1 GB
Internal Memory 16 GB/32 GB storage 4 GB 16 GB
External Memory microSD, up to 32GB, 8 GB included microSD, up to 32 GB No

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 5.0 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 63.52% 62.82% 68.47%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio; built-in antenna Stereo FM radio with RDS
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 8 MP, 3264x2448 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, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@30fps Yes Yes, 1080p
Front Camera Yes, 2 MP [Similar] Yes, 2 MP [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, HSUPA HSPA+
Bluetooth Yes, v3.0+HS Yes, v3.0 with A2DP Yes, v4.0 with 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, dual band Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot
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 HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 4 GB, 1 GB RAM 16 GB, 1 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included microSD, up to 32 GB No
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-Ion Battery
Capacity 1650 mAh 2000 mAh 2410 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 140 h (2G)
Up to 140 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)
-