Features

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General
In The Box Handset, Adapter, USB Cable, SIM Ejector Tool  Handset, USB Cable, Adapter, SIM Tray Remover Pin, User GView More... Handset, Non-removable Battery Included, Travel Adapter, View More... Handset, Charging Cable, SIM Ejector Tool, Warranty Card, View More...
Model Number MDI4O  MD12  SM-M307FZKDINS  MZB7745IN
Model Name Mi Max 2  Mi A1  Galaxy M30s  Redmi Note 7S
Color Black  Gold  Black  Sapphire Blue
Browse Type Smartphones  Smartphones  Smartphones  Smartphones
SIM Type Dual Sim  Dual Sim  Dual Sim  Dual Sim
Hybrid Sim Slot Yes Yes No  Yes
Touchscreen Yes Yes Yes Yes
OTG Compatible Yes Yes Yes Yes
Quick Charging Yes
Sound Enhancements Dual Speakers  Speaker: One (Bottom Opening), Active Noise Cancellation  Speaker: Single (Bottom Opening), 2 Microphones (for Nois View More...
Display Features
Display Size 16.36 cm (6.44 inch)  13.97 cm (5.5 inch)  16.26 cm (6.4 inch)  16.0 cm (6.3 inch)
Resolution 1920 x 1080 pixels  1920 x 1080 pixels  2340 x 1080$$Pixels  2340 x 1080 pixels
Resolution Type Full HD  Full HD  Full HD  FHD+
GPU Adreno 506  Adreno 506  Adreno 512
Display Type IPS  IPS  Super AMOLED  IPS (In-cell), RD
Other Display Features Contrast Ratio: 1000:1  Contrast Ratio: 1000:1, 2.5D Glass, Metal Body  Capacitive touchscreen  Contrast Ratio: 1500:1 (Typical), 81.41% NTSC Ratio, Gori View More...
HD Game Support Yes
OS & Processor Features
Operating System Android Nougat 7.1.1  Android Nougat 7.1.2  Android Pie 9.0  Android Pie 9.0
Processor Type Qualcomm Snapdragon 625 Octa Core 2 Ghz  Qualcomm Snapdragon 625 64 bit Octa Core 2GHz  Exynos 9611  Qualcomm Snapdragon 660 AIE
Processor Core Octa Core  Octa Core  Octa Core  Octa Core
Primary Clock Speed 2 GHz  2.0 GHz  2.3 GHz  2.2 GHz
Secondary Clock Speed 1.8 GHz
Operating Frequency GSM - 850 / 900 / 1800 / 1900 MHz, WCDMA - 850 / 900 / 19View More... GSM - 850 / 900 / 1800 / 1900 MHz, WCDMA - 850 / 900 / 19View More... GSM: B2, B3, B5, B8, WCDMA: B1, B2, B5, B8, 4G LTE-TDD: B View More...
Memory & Storage Features
Internal Storage 64 GB  64 GB  64 GB  32 GB
RAM 4 GB  4 GB  4 GB  3 GB
Expandable Storage 128 GB  128 GB  512 GB  256 GB
Supported Memory Card Type MicroSD  MicroSD  Micro SD  MicroSD
Memory Card Slot Type Hybrid Slot  Hybrid Slot  Dedicated Slot  Hybrid Slot
Call Log Memory Yes Yes Yes
SMS Memory Yes
Camera Features
Primary Camera Available Yes Yes Yes Yes
Primary Camera 12MP  12MP + 12MP  48MP  48MP + 5MP
Primary Camera Features Aperture: f/2.2, Lens Elements: 6p, PDAF  Primary Lens: f/2.2, 1.25 microns Pixel Size, Telephoto LView More... 48MP + 8MP + 5MP triple rear camera  48MP (GM1) - F1.79, 1.6 micrometer (4 in 1), 6P Lens (48M View More...
Secondary Camera Available Yes Yes Yes Yes
Secondary Camera 5MP  5MP  16MP  13MP
Secondary Camera Features Aperture: f/2.0  Aperture: f 2.0, Camera Pixel Size: 1.12 microns  16MP front facing camera  F2.0 Aperture, 1.12 micrometer
Flash yes  Rear Flash
HD Recording Yes Yes Yes
Full HD Recording Yes Yes Yes
Video Recording Yes Yes Yes
Video Recording Resolution 1920 x 1080  3840 x 2160 Pixels 
Frame Rate 30 fps  30 fps 
Optical Zoom Yes
Image Editor Yes
Dual Camera Lens Primary Camera  Primary Camera  Primary Camera
Call Features
Phone Book Yes Yes
Call Wait/Hold Yes
Conference Call Yes
Video Call Support Yes
Call Divert Yes
Speaker Phone Yes
Speed Dialing Yes
Call Records Yes
Connectivity Features
Network Type 4G VOLTE, 3G, 2G  4G VOLTE, 3G  4G VOLTE  3G, 4G VOLTE, 4G, 2G
Supported Networks 4G VoLTE, 4G VoLTE  4G VoLTE, UMTS, GSM, 4G LTE  4G VoLTE, GSM  GSM, WCDMA, 4G VoLTE, 4G LTE
Internet Connectivity 4G, 3G, Wi-Fi  4G, 3G, Wi-Fi  4G VoLte  4G, 3G, Wi-Fi
3G Yes Yes Yes Yes
Pre-installed Browser Android  Chrome 
Bluetooth Support Yes Yes Yes Yes
Bluetooth Version 4.2  4.2  5.0
Wi-Fi Yes Yes Yes Yes
Wi-Fi Version 802.11 a/b/g/n/ac  802.11 b/g/n/ac  802.11a/b/g/n/ac
Wi-Fi Hotspot Yes
USB Connectivity Yes Yes Yes
Audio Jack 3.5 mm  3.5mm
Map Support Google Maps  Google Maps  Yes Google Maps
GPS Support Yes Yes Yes Yes
GPRS Yes
USB Tethering Yes
Other Details
Smartphone Yes Yes Yes Yes
SIM Size Micro SIM and Nano SIM  Nano SIM and Nano SIM  Nano  Nano SIM + Nano SIM
Removable Battery No 
SMS Yes Yes Yes
SIM Access Dual standby (4G+4G) 
Sensors Ambient Light Sensor, Proximity Sensor, E-compass, AcceleView More... Fingerprint Scanner, Ambient Light Sensor, Proximity SensView More... Accelerometer, Fingerprint Sensor, Gyro Sensor, GeomagnetView More... Rear Fingerprint Sensor, Ambient Light Sensor, Proximity  View More...
Other Features Type C USB  Internal Memory: eMMC, USB: Type C  Clock Speed/Cores/Bits: 4 x Gold 2.2 GHz + 4 x Silver 1.8 View More...
Keypad No 
Graphics PPI 342 PPI  401 PPI  409 PPI
Series M 
Ringtones Format MP3 
User Interface MiUi 8  MIUI 10
Instant Message Yes
JAVA Support No 
Social Networking Phone Yes
Business Phone Yes
Predictive Text Input Yes
Browser Chrome 
Supported Languages English, Hindi 
Java Application No 
GPS Type A-GPS, GLONASS, BeiDou
Multimedia Features
Audio Formats MP3  MP3 
FM Radio Yes
Video Formats HD 
Battery & Power Features
Battery Capacity 5300 mAh  3080 mAh  6000 mAh  4000 mAh
Battery Type Lithium-ion  Li-polymer
Dimensions
Width 88.7 mm  75.8 mm  159 mm  75.21 mm
Height 174.1 mm  155.4 mm  9 mm  159.21 mm
Depth 7.6 mm  7.3 mm  75 mm  8.1 mm
Weight 211 g  165 g  186 g  186 g
Warranty
Warranty Summary Brand Warranty of 1 Year Available for Mobile  Brand Warranty of 1 Year Available for Mobile and 6 MonthView More... 1 Year Manufacturer Warranty  Brand Warranty of 1 Year Available for Mobile and 6 Month View More...
Warranty Service Type Manufacturing Warranty 
Covered in Warranty manufacturing defects 
Not Covered in Warranty Physical Damage 
Domestic Warranty 1 Year