Samsung Galaxy J7 Refine vs Samsung Galaxy A20
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Display
Size
Resolution
Technology
TFT
Super AMOLED
Screen-to-body
71.45 %
84.95 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Proximity sensor
Hardware
System chip
Samsung Exynos 7 Octa 7884
Samsung Exynos 7884
Processor
GPU
Mali-T830 MP1
Mali-G71 MP2
RAM
Internal storage
32GB
32GB, available to use: 20.3 GB
Storage expansion
microSDXC up to 400 GB
microSDXC up to 512 GB
OS
Android (8.0 Oreo)
Android (10, 9.0 Pie), Samsung One UI
Battery
Capacity
3300 mAh
4000 mAh
Type
Li - Polymer, Not user replaceable
Not user replaceable
Charging
Samsung Adaptive Fast Charging
Camera
Rear
Single camera
Dual camera
Main camera
Specifications
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Second camera
5 MP (Ultra-wide)
Specifications
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Video calling, Video sharing
Front
13 MP
8 MP
Design
Dimensions
Weight
the average is 6.2 oz (178 g)
the average is 6.2 oz (178 g)
Materials
Back: Plastic
Biometrics
2D Face unlock
2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys
Colors
Gold
Black,Deep blue, Red
Cellular
LTE (FDD)
Bands 25(1900+), 26(850+)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
LTE (TDD)
Bands 41(2600+)
UMTS
850, 900, 1900, 2100 MHz
Data Speed
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
Multimedia
Headphones
3.5mm jack
3.5mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features
Album art cover, Background playback
Dolby Atmos
Screen mirroring
Wireless screen share
Wireless screen share
Additional microphone(s)
Yes
for Noise cancellation
Connectivity & Features
Bluetooth
4.2
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac; Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Features
Mass storage device, Charging
Charging
Location
GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
Phone features
Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD
Regulatory Approval
FCC approval
Date approved
May 07, 2018
Jun 19, 2019
Measured SAR
Head
0.96 W/kg
1.09 W/kg
Body
0.76 W/kg
0.60 W/kg
Simultaneous Transmission
1.59 W/kg
1.37 W/kg
Wireless Router
1.20 W/kg
1.00 W/kg
Phablet
3.91 W/kg
3.94 W/kg
Buyers information
In The Box
Charger, USB Cable, Important Information Booklet
Price
$ 250
