Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy Alpha vs Samsung Galaxy S6

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2011 August 2014 March 2015
Status Available - April 2011 Available - September 2014 Available - April 2015
Price - - Rs. 29,999 ($441.16) [Similarly Priced]
Colors Black, White, Pink Black, white, gold, silver, blue White Pearl, Black Sapphire, Gold Platinum, Blue Topaz
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
143.4 x 70.5 x 6.8 mm
(5.65 x 2.78 x 0.27 in)
Weight 116 g (4.09 oz) 115 g (4.06 oz) 138 g (4.87 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 850 / 900 / 1900 / 2100
4G Network - LTE LTE
Messaging SMS, MMS, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - - Corning Gorilla Glass 4 back panel
- Fingerprint sensor (PayPal certified)
- Samsung Pay (Visa, MasterCard certified)

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v4.4.4 (KitKat) Android OS, v5.0.2 (Lollipop)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57, Exynos 7420
GPU Mali-400MP Mali-T628 MP6 Mali-T760
RAM 1 GB 2 GB 3 GB
Internal Memory 16 GB/32 GB storage 32 GB 32/64/128 GB
External Memory microSD, up to 32GB, 8 GB included No No

display Display

Type Super AMOLED Plus capacitive touchscreen Super AMOLED capacitive touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.7 inches 5.1 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (320 ppi) 1440 x 2560 pixels (577 ppi)
Screen-to-Body Ratio 63.52% 66.95% 70.66%
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 12 MP, 4128 x 3096 pixels 16 MP, 3456 x 4608 pixels, OIS
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 And Smile Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama
Video Yes, 1080p@30fps 2160p@30fps 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec.
Front Camera Yes, 2 MP [Similar] 2.1 MP [Similar] 5 MP, 1080p@30fps, dual video call, HDR [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, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth Yes, v3.0+HS v4.0, A2DP, EDR, LE v4.1, A2DP, LE, apt-X
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/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB Yes, v2.0 microUSB (MHL), USB On-the-go microUSB v2.0 microUSB v2.0 (MHL 3 TV-out), USB Host
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 32 GB, 2 GB RAM 32/64/128 GB, 3 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included No No
USB OTG Supported - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint 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-Ion Battery Non-removable Li-Ion Battery
Capacity 1650 mAh 1860 mAh 2550 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
- -
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
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