Samsung Galaxy J7 Star vs Samsung Galaxy A20
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
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 & Performance
System chip
Samsung Exynos 7 Octa 7870
Samsung Exynos 7884
Processor
GPU
Mali-T830 MP1
Mali-G71 MP2
RAM
Internal storage
32GB
32GB
Storage expansion
microSDXC up to 400 GB
microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (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)
Front
13 MP
8 MP
Design
Dimensions
Weight
the average is 6.4 oz (184 g)
the average is 6.4 oz (184 g)
Materials
Back: Plastic
Biometrics
2D Face unlock
2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys
Colors
Blue
Black,Deep blue, Red
Cellular
LTE (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
UMTS
850, 1700/2100, 1900, 2100 MHz
850, 900, 1900, 2100 MHz
Data Speed
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
Multimedia
Headphones
3.5mm jack
3.5mm jack
Features
Dolby Atmos
Connectivity & Features
Bluetooth
4.2
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac; Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Features
Charging
Charging
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, ANT+, UMA (Wi-Fi Calling)
Shopping information
In The Box
USB cable, Wall charging adapter, Start guide, Terms & Conditions
MSRP
$ 250
