Phone Comparison - Samsung I9100 Galaxy S II vs OnePlus 2 vs Asus Zenfone 2 ZE551ML

general General Info

Manufacturer Samsung OnePlus Asus
Announced February 2011 July 2015 January 2015
Status Available - April 2011 Available - August 2015 Available - March 2015
Price - Rs. 19,999 ($294.10) [Similarly Priced] Rs. 14,999 ($220.57) [Similarly Priced]
Colors Black, White, Pink Sandstone Black Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic Whit
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
151.8 x 74.9 x 9.85 mm
(5.98 x 2.95 x 0.39 in)
152.5 x 77.2 x 10.9 mm
(6 x 3.04 x 0.43 in)
Weight 116 g (4.09 oz) 175 g (6.17 oz) 170 g (6 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 700 / 1700 / 1800 / 2100 / 2300 / 2600 LTE 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600
(Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
Messaging SMS, MMS, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - Fingerprint sensor,Metal Frame,Replaceable Back-covers -

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v5.1.1 (Lollipop), OxygenOS Android OS, v5.0 (Lollipop)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57, Qualcomm MSM8994 Snapdragon 810 Quad-core 2.3 GHz
Quad-core 1.8 GHz, Intel Atom Z3580
Intel Atom Z3560
GPU Mali-400MP Adreno 430 PowerVR G6430
RAM 1 GB 4/3 GB 2/4 GB
Internal Memory 16 GB/32 GB storage 16/64 GB 16/32/64 GB
External Memory microSD, up to 32GB, 8 GB included No microSD, up to 64 GB

display Display

Type Super AMOLED Plus capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 4 IPS Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.5 inches 5.5 inches
Resolution 480 x 800 pixels (217 ppi) 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 63.52% 73.17% 70.67%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS No Yes
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 Dual-LED flash dual-LED (dual tone)
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Laser Auto focus, Optical Image Stabilization (OIS), Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@30fps 2160p@30fps, 2160p(DCI)@24fps, 1080p@60fps, 720p@120fps, HDR, stereo sound rec. 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP, 1080p@30fps [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 HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0+HS v4.1, A2DP v4.0, A2DP, EDR
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, 2.4/5 GHz, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB Yes, v2.0 microUSB (MHL), USB On-the-go microUSB v2.0, USB Host microUSB v2.0, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML HTML5 HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 16/64 GB, 4/3 GB RAM 16/32/64 GB, 2/4 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included No microSD, up to 64 GB
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint 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 supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 1650 mAh 3300 mAh 3000 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
- -
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
- -