Phone Comparison - Samsung Galaxy Alpha vs Samsung Galaxy J3 vs Samsung Galaxy S7 mini

general General Info

Manufacturer Samsung Samsung Samsung
Announced August 2014 November 2015 Not announced yet
Status Available - September 2014 Available - December 2015 Rumored
Price - Rs. 8,999 ($132.34) [Similarly Priced] -
Colors Black, white, gold, silver, blue White, Black, Gold Black, White, Gold, Silver
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
142.3 x 71 x 7.9 mm
(5.6 x 2.8 x 0.31 in)
9.9 mm thickness
(0.39 in thickness)
Weight 115 g (4.06 oz) 138 g (4.87 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EMEA LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - - Fingerprint Sensor
- Corning Gorilla Glass 4 Back Panel
- Samsung Pay (Visa, MasterCard certified)
- IP68 certified - dust proof and water resistant over 1.5 meter and 30 minutes

hardware Hardware and OS

OS Android OS, v4.4.4 (KitKat) Android OS, v5.1.1 (Lollipop) Android OS, v6.0 (Marshmallow)
Processor Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Quad-core 1.2 GHz Dual-core 2.15 GHz Kryo & dual-core 1.6 GHz Kryo
Quad-core 2.3 GHz Mongoose + quad-core 1.6 GHz Cortex-A53, Qualcomm MSM8996 Snapdragon 820
Exynos 8890 Octa
GPU Mali-T628 MP6 - Adreno 530
Mali-T880 MP12
RAM 2 GB 1.5 GB 3 GB
Internal Memory 32 GB 8 GB 32/64 GB
External Memory No microSD, up to 128 GB microSD, up to 200 GB

display Display

Type Super AMOLED capacitive touchscreen Super AMOLED capacitive touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.0 inches 4.6 inches
Resolution 720 x 1280 pixels (320 ppi) 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (479 ppi)
Screen-to-Body Ratio 66.95% 68.09% -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 12 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels 12 MP, 4608 x 2592 pixels
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection Phase Detection Autofocus, f/1.7, 26mm, 1/2.6" Sensor Size, 1.4 µm Pixel Size, Geo-tagging, Simultaneous 4K video and 9MP Image Recording, Touch Focus, Face/Smile Detection, Auto HDR, Panorama
Video 2160p@30fps 1080p@30fps 2160p@30fps, 1080p@60fps, 720p@240fps, HDR, dual-video rec.
Front Camera 2.1 MP [Similar] 5 MP [Similar] 5 MP, f/1.7, 22mm, dual video call, Auto HDR [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP, EDR, LE v4.1, A2DP v4.2, A2DP, LE, apt-X
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB v2.0, USB On-The-Go microUSB v2.0, USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 8 GB, 1.5 GB RAM 32/64 GB, 3 GB RAM
Expandable Storage No microSD, up to 128 GB microSD, up to 200 GB
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 not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Ion Battery -
Capacity 1860 mAh 2600 mAh 2600 mAh
Stand by - - -
Talk Time - - -