Samsung Galaxy A31 vs Xiaomi Redmi Note 7
Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone comparison tool or pick a popular device from the ones below.
Display
Size
Resolution
Technology
Super AMOLED
IPS LCD
Screen-to-body
84.88 %
81.37 %
Features
Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Hardware & Performance
System chip
MediaTek Helio P65 MT6768
Qualcomm Snapdragon 660 SDM660
Processor
GPU
Mali-G52 MC2
Adreno 512
RAM
Internal storage
64GB
128GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 256 GB
OS
Android (10), Samsung One UI
Android (9.0 Pie)
Battery
Capacity
5000 mAh
4000 mAh
Type
Not user replaceable
Not user replaceable
Charging
Fast charging
Qualcomm Quick Charge 4
Stand-by time (hours)
251 hours
Camera
Rear
Quad camera
Dual camera
Main camera
Specifications
Aperture size: F2.0; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
5 MP (Depth information)
Specifications
Aperture size: F2.2
Aperture size: F2.4
Third camera
5 MP (Macro)
Specifications
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Specifications
Aperture size: F2.4
Video recording
1920x1080 (Full HD)
1920x1080 (Full HD) (120 fps), 1280x720 (HD) (120 fps)
Features
Continuous autofocus, EIS, Video calling, Video sharing
Front
20 MP
13 MP (HDR)
Design
Dimensions
Weight
the average is 6.5 oz (184 g)
the average is 6.5 oz (184 g)
Materials
Back: Plastic
Back: Glass (Corning Gorilla Glass 5)
Biometrics
In-screen fingerprint
2D Face unlock, Fingerprint (touch)
Colors
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white
Black, Blue, Red
Cellular
LTE (FDD)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
LTE (TDD)
Bands 38(2600), 40(2300)
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
Multimedia
Headphones
3.5mm jack
Features
Album art cover, Background playback
Connectivity & Features
Bluetooth
Yes
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
USB
Type-C (reversible)
Type-C (reversible)
Features
Charging
Mass storage device, Charging
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync
Phone features
Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
Shopping information
In The Box
Adapter, USB Cable type C, Tool to remove the SIM, User manual, Housing, Warranty
