Features

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General
In The Box Handset, Charger, USB Cable, User Manual  Handset, Charger, Cable, Protective Screen Guard, SIM TooView More... Handset, Power adapter, USB Cable, SIM Eject tool, WarranView More... Handset, Power Adapter, USB Data Cable, Ultra Thin Case,  View More...
Model Number M20  EB-90S57R55K  MZB6783IN  MZB6876IN
Model Name Galaxy M20  Eluga Ray 550  Redmi Y2  Redmi Note 6 Pro
Color Charcoal Black  Black  Blue  Black
Browse Type Smartphones  Smartphones  Smartphones  Smartphones
SIM Type Dual Sim  Dual Sim  Dual Sim  Dual Sim
Hybrid Sim Slot No  No  No  Yes
Touchscreen Yes Yes Yes Yes
OTG Compatible Yes Yes Yes Yes
Quick Charging Yes
Sound Enhancements Speaker: Single (Bottom Opening), 2 Microphones (for NoisView More... Speaker - Single (Bottom Opening), 2 x Microphones (Noise View More...
Display Features
Display Size 16.0 cm (6.3 inch)  14.48 cm (5.7 inch)  15.21 cm (5.99 inch)  15.9 cm (6.26 inch)
Resolution 1080 x 2340$$Pixels  1440 x 720 pixels  1440 x 720 pixels  2280 x 1080 pixels
Resolution Type HD+  HD+  FHD+
GPU Adreno 506  Adreno 509
Display Type IPS  IPS (In-cell)  IPS (In-cell)
Other Display Features 2.5D Curved Display with Asahi Glass, 18:9 Aspect Ratio, View More... Contrast Ratio: 1000:1  Notch Display, Corning Gorilla Glass
OS & Processor Features
Operating System Android Oreo 8.1  Android Nougat 7  Android Oreo 8.0  Android Oreo 8.1
Processor Type Mediatek MTK 6737H Quad Core  Qualcomm Snapdragon 625  Qualcomm Snapdragon 636
Processor Core Octa Core  Quad Core  Octa Core  Octa Core
Primary Clock Speed 1.8 GHz  1.3 GHz  2.0 GHz  1.8 GHz
Operating Frequency GSM - 850, 900, 1800, 1900, UMTS - 900, 2100, 4G LTE FDD View More... GSM: B2, B3, B5, B8, WCDMA: B1, B2, B5, B8, LTE TDD: B40,View More... GSM - B2, B3, B5, B8, WCDMA - B1, B2, B5, B8, 4G LTE TDD  View More...
Memory & Storage Features
Internal Storage 32 GB  32 GB  32 GB  64 GB
RAM 3 GB  3 GB  3 GB  4 GB
Expandable Storage 128 GB  256 GB  256 GB
Supported Memory Card Type MicroSD  MicroSD  MicroSD
Memory Card Slot Type Dedicated Slot  Dedicated Slot  Dedicated Slot  Hybrid Slot
Call Log Memory Yes
Camera Features
Primary Camera Available Yes Yes Yes
Primary Camera 13MP  13MP  12MP + 5MP  12MP + 5MP
Primary Camera Features 5P Lens Element, F2.2 Aperture, Modes: HDR, Face Beauty, View More... Aperture: f/2.2 (12MP) + f/2.2 (5MP), Microns Pixel Size:View More... 12MP - f/1.9, 1.4micrometer, Dual PD, 5MP - f/1.9 Apertur View More...
Secondary Camera Available Yes Yes Yes
Secondary Camera 8MP  16MP  20MP + 2MP
Secondary Camera Features Element Lens 4P, Aperture 2.0, Face Beauty / Normal / HDRView More... Aperture: f2.0, Front Camera Pixel Size: 1.0 Microns, FroView More... f2.0
Flash yes  Rear Flash  Rear Flash
Dual Camera Lens Primary Camera  Primary Camera  Primary & Secondary Camera
Digital Zoom Yes
Call Features
Phone Book Yes
Conference Call Yes
Speaker Phone Yes
Connectivity Features
Network Type 4G, 3G, 2G  4G VOLTE, 3G, 2G  4G, 3G, 2G  4G VOLTE, 4G, 3G, 2G
Supported Networks 4G LTE, GSM  4G VoLTE, GSM  4G LTE, WCDMA, GSM  4G VoLTE, 4G LTE, UMTS, WCDMA, GSM
Internet Connectivity 3G, 4G, EDGE, GPRS, Wi-Fi  4G, 3G, Wi-Fi
3G Yes Yes
Pre-installed Browser Google Chrome 
Micro USB Port Yes Yes
Bluetooth Support Yes Yes Yes
Bluetooth Version 4.1  4.2  5
Wi-Fi Yes Yes Yes
Wi-Fi Version 802.11 b/g/n - 2.4G  802.11b/g/n  802.11a/b/g/n/ac
Wi-Fi Hotspot Yes
USB Connectivity Yes Yes Yes
Audio Jack 3.5mm  3.5mm
Map Support Google Maps  Google Maps  Google Maps
GPS Support Yes Yes Yes
GPRS Yes
EDGE Yes
Infrared No  Yes
Other Details
Smartphone Yes Yes Yes Yes
SIM Size Nano SIM  Nano SIM and Nano SIM  Nano SIM + Nano SIM  Dual Nano SIM
Removable Battery No 
SMS Yes Yes
SIM Access Yes
Sensors Fingerprint, accelerometer, gyro, proximity, compass  Accelerometer, Proximity Sensor, Compass / Magnetometer, View More... Fingerprint Sensor, Ambient Light Sensor, Proximity SensoView More... Rear Fingerprint Scanner, Ambient Light Sensor, Proximity View More...
Other Features Metallic Body Device, Notification LED  14nm Architecture, Body: Plastic Back, IR Blaster, ChargeView More... Body - Metal Back, IR Blaster, Charger - 5V/2A, Quick Cha View More...
Keypad No 
Graphics PPI 269 PPI  403 PPI
Voice Input Yes
User Interface Yes
Instant Message Yes
Social Networking Phone Yes Yes
MMS Yes
Predictive Text Input Yes
Mobile Tracker Yes
Multimedia Features
Audio Formats AAC, AAC+, AAC+ Enhanced, OGG Vorbis, WAV, MP3, Midi 
Video Formats H.263, H.264, MPEG4 
DLNA Support No 
Battery & Power Features
Battery Capacity 5000 mAh  3250 mAh  3080 mAh  4000 mAh
Dimensions
Width 73.5 mm  77.26 mm  76.4 mm
Height 152.5 mm  160.73 mm  157.9 mm
Depth 8.5 mm  8.1 mm  8.26 mm
Weight 152 g  168 g  181 g
Warranty
Warranty Summary 12 Months  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 Month View More...