Samsung Galaxy J3 2018 vs Samsung Galaxy A21s

Samsung Galaxy J3 2018 vs Samsung Galaxy A21s: Looking to compare the Samsung Galaxy J3 2018 and the Samsung Galaxy A21s? Read on to find out the key differences and similarities between these two popular smartphones.

Feature	Samsung Galaxy J3 2018	Samsung Galaxy A21s
Display Size	5.0 inches	6.5 inches
Display Type	Super AMOLED	PLS TFT
Resolution	720 x 1280 pixels	720 x 1600 pixels
Processor	Exynos 7570 Quad-core	Exynos 850 Octa-core
RAM	2 GB	3/4 GB
Internal Storage	16 GB	32/64 GB
Expandable Storage	Yes (up to 256 GB)	Yes (up to 512 GB)
Main Camera	8 MP	48 MP + 8 MP + 2 MP + 2 MP
Front Camera	5 MP	13 MP
Video Recording	1080p @ 30fps	1080p @ 30fps
Battery Capacity	2600 mAh	5000 mAh
Operating System	Android 8.0 (Oreo)	Android 10, One UI 2.0
Weight	152 g	192 g
Dimensions	142.7 x 70.1 x 8.9 mm	163.6 x 75.3 x 8.9 mm
Colors	Black, Gold, Blue	Black, White, Blue, Red
SIM Card	Single SIM or Dual SIM	Dual SIM
3.5mm Headphone Jack	Yes	Yes
Biometric Authentication	Fingerprint (rear-mounted)	Fingerprint (rear-mounted)
Connectivity	4G LTE, Wi-Fi, Bluetooth	4G LTE, Wi-Fi, Bluetooth