Phone Comparison - Samsung Galaxy Alpha vs Xiaomi Redmi Note 2 vs Samsung Galaxy J3 (2016)

Price Comparison (India) - -

general General Info

Manufacturer Samsung Xiaomi Samsung
Announced August 2014 August 2015 November 2015
Status Available - September 2014 Available - August 2015 Available - January 2016
Price - Rs. 9,700 ($141.99) [Similarly Priced] Rs. 7,990 ($117.50) [Similarly Priced]
Colors Black, white, gold, silver, blue Black, White, Yellow, Mint Green, Blue White, Black, Gold
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
152 x 76 x 8.3 mm
(5.98 x 2.99 x 0.33 in)
142.3 x 71 x 7.9 mm
(5.6 x 2.8 x 0.31 in)
Weight 115 g (4.06 oz) 160 g (5.64 oz) 138 g (4.87 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 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, TD-SCDMA HSDPA 850 / 900 / 1900 / 2100 - J320F, J3109
4G Network LTE LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J320F
SAR US - W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
1.17 W/kg (head)
1.12 W/kg (body)
SAR EU - W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
0.48 W/kg (head)
0.42 W/kg (body)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.4 (KitKat) Android OS, v5.0 (Lollipop) based MIUI 7 Android OS, v5.1.1 (Lollipop)
Processor Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Octa-core 2.0 GHz Cortex-A53, Mediatek MT6795 Quad-core 1.2 GHz Cortex-A7, Spreadtrum SC9830A
GPU Mali-T628 MP6 PowerVR G6200 Mali-400MP2
RAM 2 GB 2 GB 1.5 GB
Internal Memory 32 GB 16 GB 8/16 GB
External Memory No Yes microSD, up to 128 GB (dedicated slot)

display Display

Type Super AMOLED capacitive touchscreen IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.5 inches 5.0 inches
Resolution 720 x 1280 pixels (320 ppi) 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 66.95% 72.02% 68.09%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio FM radio, RDS, recording
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 8 MP
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Phase Detection Auto focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR Autofocus, Geo-tagging, Touch Focus, Face Detection
Video 2160p@30fps 1080p@30fps 1080p@30fps (J3109), 720p@30fps (J320P)
Front Camera 2.1 MP [Similar] 5 MP [Similar] 5 MP - J3109
2 MP - J320P [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 TD-SCDMA HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP, EDR, LE v4.0, A2DP, LE v4.1, A2DP
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 b/g/n, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB v2.0, USB Host microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS/ BDS (region dependent)
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 16 GB, 2 GB RAM 8/16 GB, 1.5 GB RAM
Expandable Storage No Yes microSD, up to 128 GB (dedicated slot)
USB OTG - Supported 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 not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Po Battery Removable Li-Ion Battery
Capacity 1860 mAh 3060 mAh 2600 mAh
Stand by - - Up to 349 h
Talk Time - - Up to 22 h