Phone Comparison - Samsung I9100 Galaxy S II vs Nokia Lumia 720 vs Huawei Ascend Y550

general General Info

Manufacturer Samsung Nokia Huawei
Announced February 2011 February 2013 September 2014
Status Available - April 2011 Available - April 2013 Available - November 2014
Colors Black, White, Pink White, Red, Yellow, Cyan/Black Black, White
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
127.9 x 67.5 x 9 mm
(5.04 x 2.66 x 0.35 in)
133 x 68 x 9.5 mm
(5.24 x 2.68 x 0.37 in)
Weight 116 g (4.09 oz) 128 g (4.52 oz) 153 g (5.4 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
4G Network - - LTE 800 / 900 / 1800 / 2100 / 2600
Messaging SMS, MMS, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Microsoft Windows Phone 8 Android OS, v4.4.2 (KitKat)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Dual-core 1 GHz, Qualcomm MSM8227 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Mali-400MP Adreno 305 Adreno 306
RAM 1 GB 512 MB 1 GB
Internal Memory 16 GB/32 GB storage 8 GB storage 4 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 TFT capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.3 inches 4.5 inches
Resolution 480 x 800 pixels (217 ppi) 480 x 800 pixels (217 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 63.52% 60.94% 61.53%
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 6.7 MP, Carl Zeiss optics 5 MP, 2592 х 1944 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 Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p@30fps Yes, 720p@30fps 720p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 1.3 MP [Similar] 2 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, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps, HSUPA, 11 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v3.0+HS Yes, v3.0 with A2DP 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 a/b/g/n, dual-band Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
USB Yes, v2.0 microUSB (MHL), USB On-the-go Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
Browser HTML HTML5 HTML

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 8 GB storage, 512 MB RAM 4 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 - -

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 supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 1650 mAh 2000 mAh 2000 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 520 h -
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 23 h 20 min (2G)
Up to 13 h 20 min (3G)
-