Phone Comparison - Samsung Galaxy Alpha vs Xiaomi Redmi Note 3 (MediaTek) vs Samsung Galaxy S7 Edge

Price Comparison (India) - -

general General Info

Manufacturer Samsung Xiaomi Samsung
Announced August 2014 November 2015 February 2016
Status Available - September 2014 Available - November 2015 Available - March 2016
Price - Rs. 11,999 ($176.46) [Similarly Priced] Rs. 50,900 ($748.53) [Similarly Priced]
Colors Black, white, gold, silver, blue Silver, Gray, Gold Various
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
150 x 76 x 8.7 mm
(5.91 x 2.99 x 0.34 in)
150.9 x 72.6 x 7.7 mm
(5.94 x 2.86 x 0.3 in)
Weight 115 g (4.06 oz) 164 g (5.78 oz) 157 g (5.54 oz)
SIM Type - - Single SIM (Nano-SIM), Dual SIM (Nano-SIM, Dual Stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
TD-SCDMA
GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network LTE LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - - Heart rate sensor
- Fingerprint sensor
- IP68 certified - dust and water resistant
- Water resistant up to 1 meter and 30 minutes
Notification LED - Yes Yes

hardware Hardware and OS

OS Android OS, v4.4.4 (KitKat) Android OS, v5.1 (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 Octa-core, Mediatek MT6795 Helio X10 Quad-core (2x 2.15 GHz Kryo & 2x 1.6 GHz Kryo)/ Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) , Qualcomm MSM8996 Snapdragon 820/ Exynos 8 Octa 8890
GPU Mali-T628 MP6 PowerVR G6200 Adreno 530/ Mali-T880 MP12
RAM 2 GB 2/3 GB 4 GB
Internal Memory 32 GB 16/32 GB 32 GB
External Memory No microSD, up to 128 GB microSD upto 256GB

display Display

Type Super AMOLED capacitive touchscreen IPS LCD capacitive touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5, Curved Edge Screen, Always-on display
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.5 inches 5.5 inches
Resolution 720 x 1280 pixels (320 ppi) 1080 x 1920 pixels (401 ppi) 1440 x 2560 pixels (534 ppi)
Screen-to-Body Ratio 66.95% 72.98% 76.13%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels 12 MP, 4608 x 2592 pixels
Flash LED flash Dual-LED (Dual Tone) LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Phase Detection Autofocus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama Phase Detection Autofocus, Dual Pixel, f/1.7, 1/2.6' Sensor Size, 1 µm Pixel Size, Smart Optical Image Stablization, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama
Video 2160p@30fps 1080p@30fps 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec.
Front Camera 2.1 MP [Similar] 5 MP, 1080p [Similar] 5 MP, f/1.7, 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, LTE HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps
Bluetooth v4.0, A2DP, EDR, LE v4.1, A2DP, LE 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 a/b/g/n/ac, dual-band, WiFi 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, BDS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 16/32 GB, 2/3 GB RAM 32 GB, 4 GB RAM
Expandable Storage No microSD, up to 128 GB microSD upto 256GB
USB OTG - Supported Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint 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
Barometer Sensor barometer sensor barometer sensor barometer sensor present
Heart-rate Sensor heart rate sensor heart rate sensor heart rate sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Po Battery Non-removable Li-Po Battery
Capacity 1860 mAh 4000 mAh 3600 mAh
Stand by - Up to 264 h (3G) -
Talk Time - - -