Features

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General
In The Box Handset, Charger, USB Cable, User Guide  Handset, Adapter, Case, Cable, Warranty Card, Quick GuideView More... Handset, Power Adapter, USB Data Cable, Ultra Thin Case, View More...
Model Number MZB4427IN  RMX1801  MZB6876IN 
Model Name Mi 4i  2 Pro  Redmi Note 6 Pro 
Color Yellow  Black Sea  Black 
Browse Type Smartphones  Smartphones  Smartphones 
SIM Type Dual Sim  Dual Sim  Dual Sim 
Hybrid Sim Slot No  No  Yes
Touchscreen Yes Yes Yes
OTG Compatible Yes Yes Yes
Quick Charging Yes
Sound Enhancements Real HD Sound, Noise-cancelling Music with Dual Mics  Speaker - Single (Bottom Opening), 2 x Microphones (NoiseView More...
SAR Value 1.290 W/Kg 
Display Features
Display Size 12.7 cm (5 inch)  16.0 cm (6.3 inch)  15.9 cm (6.26 inch) 
Resolution 1920 x 1080 pixels  2340 x 1080 pixels  2280 x 1080 pixels 
Resolution Type Full HD  FHD+  FHD+ 
GPU Adreno 405  Adreno GPU 512  Adreno 509 
Display Type IPS (In-cell)  IPS (In-cell) 
Other Display Features JDI Display, All New Sunlight Display, 441 PPI  2.5D Display, Gorilla Glass 3, Maximum Brightness - 400 nView More... Notch Display, Corning Gorilla Glass 
OS & Processor Features
Operating System Android Lollipop 5.0.2  Android Oreo 8.1  Android Oreo 8.1 
Processor Type 2nd-gen Snapdragon 615 64-bit octa-core  Qualcomm Snapdragon 660 Octa Core 1.95GHz AIE  Qualcomm Snapdragon 636 
Processor Core Octa Core  Octa Core  Octa Core 
Primary Clock Speed 1.7 GHz  1.95 GHz  1.8 GHz 
Operating Frequency GSM - 850, 900, 1800, 1900; WCDMA - 2100; 4G: LTE (FDD) -View More... GSM: 850/900/1800/1900 MHz, WCDMA: 850/900/2100 MHz, FDD-View More... GSM - B2, B3, B5, B8, WCDMA - B1, B2, B5, B8, 4G LTE TDD View More...
Memory & Storage Features
Internal Storage 16 GB  64 GB  64 GB 
RAM 2 GB  4 GB  4 GB 
Expandable Storage 256 GB  256 GB 
Supported Memory Card Type MicroSD  MicroSD 
Memory Card Slot Type Dedicated Slot  Dedicated Slot  Hybrid Slot 
Call Log Memory Yes
Phone Book Memory Yes
SMS Memory Yes
Camera Features
Primary Camera Available Yes Yes Yes
Primary Camera 13MP  16MP + 2MP  12MP + 5MP 
Primary Camera Features Integrated Flash Support, Supports Beautify, Refocus, f/2View More... 16MP - f/1.7, 2MP - f/2.4, AI Dual Camera  12MP - f/1.9, 1.4micrometer, Dual PD, 5MP - f/1.9 AperturView More...
Secondary Camera Available Yes Yes Yes
Secondary Camera 5MP  16MP  20MP + 2MP 
Secondary Camera Features f/1.8, 80 Degree Wide-angle View, HD (Front Facing CameraView More... f/2.0, AI Selfie  f2.0 
Flash Rear LED Flash  Rear Flash 
HD Recording Yes Yes
Full HD Recording Yes Yes
Video Recording Yes Yes
Video Recording Resolution 1920 x 1080  2160p 
Frame Rate 30 fps 
Dual Camera Lens Primary Camera  Primary & Secondary Camera 
Call Features
Phone Book Yes Yes
Connectivity Features
Network Type 4G, 3G, 2G  4G VOLTE, 3G, 2G  4G VOLTE, 4G, 3G, 2G 
Supported Networks 4G LTE, 4G LTE  4G VoLTE, 4G LTE, WCDMA, GSM  4G VoLTE, 4G LTE, UMTS, WCDMA, GSM 
Internet Connectivity 4G, 3G, Wi-Fi, GPRS, EDGE  4G, 3G, Wi-Fi  4G, 3G, Wi-Fi 
3G Yes Yes Yes
Pre-installed Browser MIUI Browser, Chrome Browser, Android  OPPO Browser, Opera, UC 
Micro USB Port Yes Yes
Bluetooth Support Yes Yes Yes
Bluetooth Version 4.1  5  5 
Wi-Fi Yes Yes Yes
Wi-Fi Version 802.11 a/b/g/n/ac  802.11a/b/g/n/ac (2.4 GHz and 5 GHz)  802.11a/b/g/n/ac 
Wi-Fi Hotspot Yes
USB Connectivity Yes Yes Yes
Audio Jack 3.5 mm  3.5mm  3.5mm 
Map Support Google Maps  Google Maps  Google Maps 
GPS Support Yes Yes Yes
GPRS Yes
EDGE Yes
USB Tethering Yes
Infrared Yes
Other Details
Smartphone Yes Yes Yes
Touchscreen Type LCD 
SIM Size Micro SIM  Dual Nano SIM  Dual Nano SIM 
Removable Battery No 
SMS Yes Yes
SIM Access Dual Standby 
Sensors Gyroscope, Light Sensor, Accelerometer, eCompass, ProximiView More... Fingerprint Sensor, G-sensor, M-sensor, Light Proximity SView More... Rear Fingerprint Scanner, Ambient Light Sensor, ProximityView More...
Other Features WLAN Support, Wi-Fi Direct, Wi-Fi Tethering, Voice CallinView More... Dual VoLTE, Google Services - Google Kit, AI Facial UnlocView More... Body - Metal Back, IR Blaster, Charger - 5V/2A, Quick ChaView More...
Graphics PPI 408 PPI  403 PPI 
Important Apps Facebook, Paytm, Dailyhunt 
User Interface MIUI 6  AI-system ColorOS 5.2 
User Memory 12.77 GB 
Multimedia Features
Audio Formats MP3  MP3 / AAC / APE / AMR / WAV / MID / OGG / FLAC / WMA 
FM Radio Yes No 
Video Formats AVI / 3GP / MP4 / WMV / MKV / MOV / ASF / FLV 
Battery & Power Features
Battery Capacity 3030 mAh  3500 mAh  4000 mAh 
Battery Type Li-Ion Polymer 
Dimensions
Width 69.6 mm  74 mm  76.4 mm 
Height 138.1 mm  156.7 mm  157.9 mm 
Depth 7.8 mm  8.5 mm  8.26 mm 
Weight 130 g  174 g  181 g 
Warranty
Warranty Summary Brand Warranty of 1 Year Available for Mobile and 6 MonthView More... Brand Warranty of 1 Year Available for Mobile and 6 MonthView More... Brand Warranty of 1 Year Available for Mobile and 6 MonthView More...