Phone Comparison - Samsung I9100 Galaxy S II vs Asus Zenfone 4 vs Xiaomi Redmi 1S

general General Info

Manufacturer Samsung Asus Xiaomi
Announced February 2011 January 2014 May 2014
Status Available - April 2011 Available - June 2014 Available - May 2014
Colors Black, White, Pink Black, White, Red, Blue, Yellow Black, Chinese Red, Metallic Gray/ blue, green, yellow panels
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
137 x 69 x 9.9 mm
(5.39 x 2.72 x 0.39 in)
Weight 116 g (4.09 oz) 115 g (4.06 oz) 158 g (5.57 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 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, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.3 (Jelly Bean)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon
GPU Mali-400MP PowerVR SGX544MP2 Adreno 305
RAM 1 GB 1 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 LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.0 inches 4.7 inches
Resolution 480 x 800 pixels (217 ppi) 480 x 800 pixels (233 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 63.52% 59.74% 64.61%
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 5 MP, 2592 x 1944 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash No LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Panorama Auto focus, 1.4 ┬Ám Pixel Size, 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, VGA [Similar] 1.3 MP, 720p@30fps [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, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, HSUPA
Bluetooth Yes, v3.0+HS Yes, v4.0 with A2DP, EDR 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 Direct, 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 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS
Browser HTML HTML HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1 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 1200/1600 mAh 2000 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 192 h -
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 10 h -