Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy Discover vs Nokia Lumia 720

general General Info

Manufacturer Samsung Samsung Nokia
Announced February 2011 November 2012 February 2013
Status Available - April 2011 Available - November 2012 Available - April 2013
Colors Black, White, Pink Black White, Red, Yellow, Cyan/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)
112.8 x 61.5 x 11.5 mm
(4.44 x 2.42 x 0.45 in)
127.9 x 67.5 x 9 mm
(5.04 x 2.66 x 0.35 in)
Weight 116 g (4.09 oz) 122 g (4.3 oz) 128 g (4.52 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 / 1900 HSDPA 850 / 900 / 1900 / 2100
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 Android OS, v4.0.4 (Ice Cream Sandwich) Microsoft Windows Phone 8
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset 800 MHz Cortex-A5 Dual-core 1 GHz, Qualcomm MSM8227
GPU Mali-400MP - Adreno 305
RAM 1 GB 512 MB 512 MB
Internal Memory 16 GB/32 GB storage 4 GB 8 GB storage
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 TFT capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors - 16M colors
Size 4.3 inches 3.5 inches 4.3 inches
Resolution 480 x 800 pixels (217 ppi) 320 x 480 pixels (165 ppi) 480 x 800 pixels (217 ppi)
Screen-to-Body Ratio 63.52% 52.47% 60.94%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 3.15 MP, 2048x1536 pixels 6.7 MP, Carl Zeiss optics
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Geo-tagging, Touch Focus Auto focus, Geo-tagging
Video Yes, 1080p@30fps Yes Yes, 720p@30fps
Front Camera Yes, 2 MP [Similar] No [Similar] Yes, 1.3 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, 7.2 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0+HS Yes, with A2DP Yes, v3.0 with A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band
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 and GLONASS
Browser HTML HTML HTML5

memory User Memory

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

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Li-Ion Battery
Capacity 1650 mAh 1300 mAh 2000 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 440 h Up to 520 h
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 7 h 20 min Up to 23 h 20 min (2G)
Up to 13 h 20 min (3G)