Features

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General
In The Box Handset, Battery, Travel Adaptor, Data Cable, Stereo HeadView More... Handset, Power Adapter, USB Cable, SIM Eject Tool, Type-CView More... Handset, Non-removable Battery Included, Travel Adapter, View More... Handset, Charging Cable, SIM Ejector Tool, Warranty Card, View More...
Model Number SM-J720FZBGINS  SM-M307FZKDINS  MZB7745IN
Model Name Galaxy J7 Duo  Mi A2  Galaxy M30s  Redmi Note 7S
Color Blue  Blue/Lake Blue  Black  Sapphire Blue
Browse Type Smartphones  Smartphones  Smartphones  Smartphones
SIM Type Dual Sim  Dual Sim  Dual Sim  Dual Sim
Hybrid Sim Slot No  Yes 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 Nois View More...
Display Features
Display Size 13.97 cm (5.5 inch)  15.21 cm (5.99 inch)  16.26 cm (6.4 inch)  16.0 cm (6.3 inch)
Resolution 1280 x 720 Pixels  2160 x 1080 Pixels  2340 x 1080$$Pixels  2340 x 1080 pixels
Resolution Type HD  FHD+  Full HD  FHD+
GPU ARM Mali G71 MP2  Adreno 512  Adreno 512
Display Type Super AMOLED  Super AMOLED  IPS (In-cell), RD
Display Colors 16M 
Other Display Features 1500:1 Contrast Ratio  Capacitive touchscreen  Contrast Ratio: 1500:1 (Typical), 81.41% NTSC Ratio, Gori View More...
HD Game Support Yes
OS & Processor Features
Operating System Android Oreo 8  Android Oreo 8.1  Android Pie 9.0  Android Pie 9.0
Processor Type Exynos 7884  Qualcomm Snapdragon 660 Octacore  Exynos 9611  Qualcomm Snapdragon 660 AIE
Processor Core Octa Core  Octa Core  Octa Core  Octa Core
Primary Clock Speed 1.6 GHz  2.2 GHz  2.3 GHz  2.2 GHz
Secondary Clock Speed 1.8 GHz
Operating Frequency GSM: B2, B3, B5, B8, WCDMA: B1, B2, B5, B8, 4G LTE-TDD: B View More...
Memory & Storage Features
Internal Storage 32 GB  64 GB  64 GB  32 GB
RAM 4 GB  4 GB  4 GB  3 GB
Expandable Storage 256 GB  512 GB  256 GB
Supported Memory Card Type MicroSD  Micro SD  MicroSD
Memory Card Slot Type Dedicated Slot  Hybrid Slot  Dedicated Slot  Hybrid Slot
Call Log Memory Yes
SMS Memory Yes
Camera Features
Primary Camera Available Yes Yes Yes Yes
Primary Camera 13MP + 5MP  20MP + 12MP  48MP  48MP + 5MP
Primary Camera Features Dual Camera Lens: Sony IMX486, 1.25 micrometer pixels, LaView 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 8MP  20MP  16MP  13MP
Secondary Camera Features AI-powered Semantic Segmentation, AI-powered Beautify 4.0View More... 16MP front facing camera  F2.0 Aperture, 1.12 micrometer
Flash Rear Flash  Rear Flash  yes  Rear Flash
HD Recording Yes Yes
Full HD Recording Yes Yes
Video Recording Yes Yes
Video Recording Resolution 3840 x 2160 Pixels 
Frame Rate FHD at 30 fps 
Optical Zoom No 
Image Editor Yes
Dual Camera Lens Primary Camera  Primary Camera  Primary Camera  Primary Camera
Digital Zoom Yes
Call Features
Phone Book 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, 2G, 3G  4G, 4G VOLTE, 2G, 3G  4G VOLTE  3G, 4G VOLTE, 4G, 2G
Supported Networks 4G LTE, GSM  4G VoLTE, UMTS, GSM, 4G LTE, WCDMA, CDMA  4G VoLTE, GSM  GSM, WCDMA, 4G VoLTE, 4G LTE
Internet Connectivity 4G, 3G, Wi-Fi  4G, 3G  4G VoLte  4G, 3G, Wi-Fi
3G Yes Yes Yes
Pre-installed Browser Chrome 
Bluetooth Support Yes Yes Yes
Bluetooth Version 4.2  5.0
Wi-Fi Yes Yes Yes
Wi-Fi Version 802.11a/b/g/n/ac
Wi-Fi Hotspot Yes
USB Connectivity Yes
Audio Jack 3.5mm  3.5mm
Map Support Google Maps  Yes Google Maps
GPS Support Yes Yes
GPRS Yes
USB Tethering Yes
Other Details
Smartphone Yes Yes Yes Yes
Touchscreen Type Capacitive 
SIM Size Nano SIM  Nano SIM + Nano SIM  Nano  Nano SIM + Nano SIM
Removable Battery Yes No 
SMS Yes
SIM Access Dual Standby  Dual standby (4G+4G) 
Sensors Accelerometer, Fingerprint Sensor, Gyro Sensor, GeomagnetView More... Rear Fingerprint Sensor, Ambient Light Sensor, Proximity  View More...
Other Features Android One  Clock Speed/Cores/Bits: 4 x Gold 2.2 GHz + 4 x Silver 1.8 View More...
Keypad No 
Graphics PPI 269 PPI  403 PPI  409 PPI
Series M 
Ringtones Format MP3 
User Interface 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, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MView More... MP3 
FM Radio Yes
Video Formats MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM  HD 
Battery & Power Features
Battery Capacity 3000 mAh  3010 mAh  6000 mAh  4000 mAh
Battery Type Lithium Polymer  Lithium-ion  Li-polymer
Dimensions
Width 77.2 mm  159 mm  75.21 mm
Height 153.5 mm  9 mm  159.21 mm
Depth 8.1 mm  75 mm  8.1 mm
Weight 169 g  186 g  186 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... 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