Phone Comparison - Samsung I9100 Galaxy S II vs HTC Desire 620 Dual SIM vs Microsoft Lumia 640 LTE

general General Info

Manufacturer Samsung HTC Microsoft
Announced February 2011 December 2014 March 2015
Status Available - April 2011 Available - December 2014 Available - April 2015
Price - - Rs. 7,999 ($117.63) [Similarly Priced]
Colors Black, White, Pink Blue, Black, Gray, White Yes
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
150.1 x 72.7 x 9.6 mm
(5.91 x 2.86 x 0.38 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
Weight 116 g (4.09 oz) 160 g (5.64 oz) 145 g (5.11 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 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network - LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2600 LTE
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, v4.4.4 (KitKat) Microsoft Windows Phone 8.1 with Lumia Denim
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Mali-400MP Adreno 306 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 128 GB microSD, up to 128 GB

display Display

Type Super AMOLED Plus capacitive touchscreen Capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.0 inches 5.0 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 63.52% 63.04% 67.43%
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 8 MP, 3264 x 2448 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, Touch Focus, Face Detection, Panorama Auto focus, 1/4'' Sensor Size
Video Yes, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP [Similar] 1 MP, 720p [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, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0+HS v4.0, A2DP, apt-X v4.0, 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, hotspot Wi-Fi 802.11 b/g/n, DLNA, 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 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 128 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 supported

battery Battery

Type Standard battery, Li-Ion Li-Po Battery Li-Ion Battery
Capacity 1650 mAh 2100 mAh 2500 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
- Up to 864 h (2G)
Up to 864 h (3G)
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
- Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)