Phone Comparison - Samsung Galaxy Note Pro 12.2 vs Xiaomi Redmi 4A vs Vivo Y66

general General Info

Manufacturer Samsung Xiaomi vivo
Announced January 2014 November 2016 December 2016
Status Available - February 2014 Available - November 2016 Available - December 2016
Price Rs. 37,000 ($550.00) [Similarly Priced] Rs. 5,999 ($92.00) [Similarly Priced] Rs. 14,990 ($216.00) [Similarly Priced]
Colors Black, White Gold, Rose Gold, Dark Gray Gold
Form Factor Candybar Candybar Candybar
Dimension 295.6 x 203.9 x 8 mm
(11.64 x 8.03 x 0.31 in)
139.5 x 70.4 x 8.5 mm
(5.49 x 2.77 x 0.33 in)
153.56 x 75.79 x 7.49 mm
(6.05 x 2.98 x 0.29 in)
Weight 750 g (26.46 oz) 131.5 g (4.62.0.18 oz) 157 g (5.54 oz)
SIM Type - Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)
2G Network N/A GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
3G Network N/A HSDPA 850 / 1900 / 2100 HSDPA 850 / 1900 / 2100
4G Network - LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging , EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - Metal Body
- Infrared Sensor
- Metal Body
- 2.5D Curved Glass
Notification LED - - Yes

hardware Hardware and OS

OS Android OS, v4.4 (KitKat) Android OS, v6.0.1 (Marshmallow) Android OS, v6.0.1 (Marshmallow)
User Interface - MIUI 8 FunTouch OS 3.0
Processor Quad-core 1.9 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5420 Octa Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8937 Snapdragon 430
GPU Mali-T628 MP6 Adreno 308 Adreno 505
RAM 3 GB 2 GB 3 GB
Internal Memory 32/64 GB 16 GB 32 GB
External Memory microSD, up to 64 GB (dedicated slot) microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB

display Display

Type Super clear LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 12.2 inches 5.0 inches 5.5 inches
Resolution 2560 x 1600 pixels (247 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 71.86% 70.04% 71.66%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, autofocus 13 MP, 4160 x 3120 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash LED Flash LED Flash
Features Geo-tagging, Face/smile Detection Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama AutoFocus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 2 MP, 1080p@30fps [Similar] 5 MP, f/2.2, 1080p@30fps [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS No Yes Yes
Edge No Yes Yes
3G N/A HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE
Bluetooth v4.0, A2DP v4.1, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, 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 v3.0 (MHL TV-out), USB Host microUSB v2.0 microUSB v2.0
GPS Yes, with GLONASS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32/64 GB, 3 GB RAM 16 GB, 2 GB RAM 32 GB, 3 GB RAM
Expandable Storage microSD, up to 64 GB (dedicated slot) microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor not present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 9500 mAh 3120 mAh 3000 mAh
Stand by - - -
Talk Time Up to 12 h (multimedia) - -