Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy A7 vs Samsung Galaxy A8

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2011 Expected Announcement - December 2014 July 2015
Status Available - April 2011 Rumored - January 2015 Available - August 2015
Price - Rs. 19,499 ($286.75) [Similarly Priced] Rs. 26,990 ($396.91) [Similarly Priced]
Colors Black, White, Pink Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B Pearl White, Midnight Black, Champagne Gold
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
150.9 x 75.9 x 6.3 mm
(5.94 x 2.99 x 0.25 in)
158 x 76.8 x 5.9 mm
(6.22 x 3.02 x 0.23 in)
Weight 116 g (4.09 oz) 133 g (4.69 oz) 151 g (5.33 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional)
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 - - - Fingerprint sensor

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v4.4.4 (KitKat) Android OS, v5.1 (Lollipop)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Mali-400MP Adreno 405 Adreno 405
RAM 1 GB 2 GB 2 GB
Internal Memory 16 GB/32 GB storage 16 GB 16/32 GB
External Memory microSD, up to 32GB, 8 GB included microSD, up to 64 GB microSD, up to 128 GB (uses SIM 2 slot)

display Display

Type Super AMOLED Plus capacitive touchscreen Super AMOLED capacitive touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.5 inches 5.7 inches
Resolution 480 x 800 pixels (217 ppi) 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (386 ppi)
Screen-to-Body Ratio 63.52% 72.64% 73.99%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS - FM radio with RDS; recording
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 12 MP, 4608 x 2592 pixels 16 MP, 5312 x 2988 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, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP [Similar] 5 MP, 1080p [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, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth Yes, v3.0+HS v4.0, A2DP, EDR, LE v4.1, A2DP, EDR, 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, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, 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 (market dependant)
Browser HTML HTML5 HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included microSD, up to 64 GB microSD, up to 128 GB (uses SIM 2 slot)
USB OTG 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 not supported NFC supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Ion battery Non-removable Li-Ion Battery
Capacity 1650 mAh 2600 mAh 3050 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)
- -