Phone Comparison - Samsung I9100 Galaxy S II vs HTC One ST vs Asus Zenfone 4

general General Info

Manufacturer Samsung HTC Asus
Announced February 2011 August 2012 January 2014
Status Available - April 2011 Available - Q4 2012 Available - June 2014
Colors Black, White, Pink Black, White, Red Black, White, Red, Blue, Yellow
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
128 x 66.9 x 9.3 mm
(5.04 x 2.63 x 0.37 in)
124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
Weight 116 g (4.09 oz) 115 g (4.06 oz) 115 g (4.06 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA/ TD-HSPA 1880-1920 / 2010-2025 HSDPA 850 / 900 / 1900 / 2100
Messaging SMS, MMS, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Dual-core 1 GHz Dual-core 1.2 GHz, Intel Atom Z2520
GPU Mali-400MP - PowerVR SGX544MP2
RAM 1 GB 1 GB 1 GB
Internal Memory 16 GB/32 GB storage 4 GB 8 GB
External Memory microSD, up to 32GB, 8 GB included microSD, up to 32 GB microSD, up to 64 GB

display Display

Type Super AMOLED Plus capacitive touchscreen Super LCD2 capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.3 inches 4.0 inches
Resolution 480 x 800 pixels (217 ppi) 480 x 800 pixels (217 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 63.52% 61.44% 59.74%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS No FM Radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592x1944 pixels 5 MP, 2592 x 1944 pixels
Flash LED flash LED flash No
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, Panorama
Video Yes, 1080p@30fps Yes, 720p Yes, 1080p@30fps
Front Camera Yes, 2 MP [Similar] No [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, 42.2 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0+HS Yes, v4.0 with A2DP Yes, v4.0 with A2DP, EDR
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 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 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 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included microSD, up to 32 GB microSD, up to 64 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 Standard battery, Li-Ion Li-Po Battery
Capacity 1650 mAh 1800 mAh 1200/1600 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