Phone Comparison - Samsung I9100 Galaxy S II vs Microsoft Lumia 640 Dual SIM vs Microsoft Lumia 550

general General Info

Manufacturer Samsung Microsoft Microsoft
Announced February 2011 March 2015 October 2015
Status Available - April 2011 Available - April 2015 Available - December 2015
Price - Rs. 8,999 ($132.34) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Black, White, Pink Yes 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)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
136.1 x 67.8 x 9.9 mm
(5.36 x 2.67 x 0.39 in)
Weight 116 g (4.09 oz) 145 g (5.11 oz) 141.9 (4.97.0.32)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network - - LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
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 8.1 with Lumia Denim Microsoft Windows 10
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.1 GHz Cortex-A7, Qualcomm MSM8909 Snapdragon 210
GPU Mali-400MP Adreno 305 Adreno 304
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 128 GB microSD, up to 200 GB

display Display

Type Super AMOLED Plus capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display Capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.0 inches 4.7 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (315 ppi)
Screen-to-Body Ratio 63.52% 67.43% 64.94%
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 8 MP, 3264 x 2448 pixels 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, 1/4'' Sensor Size Auto focus, 1/4' Sensor Size, Geo-tagging, Touch Focus
Video Yes, 1080p@30fps 1080p@30fps 720p@30fps
Front Camera Yes, 2 MP [Similar] 1 MP, 720p [Similar] 2 MP, 480p [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 HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0+HS v4.0, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, v2.0 microUSB (MHL), USB On-the-go microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, Beidou
Browser HTML HTML5 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 128 GB microSD, up to 200 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 Li-Ion Battery Li-Ion Battery
Capacity 1650 mAh 2500 mAh 2100 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 840 h (2G)
Up to 840 h (3G)
Up to 672 h (2G)
Up to 672 h (3G)
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
Up to 16 h (2G)
Up to 14 h (3G)