Samsung Galaxy A21 vs Samsung Galaxy J2 Ace comparison

Show Only Differences Highlight Differences	Samsung Galaxy A21	Samsung Galaxy J2 Ace
key specs
Display	6.50-inch	5.00-inch
Front Camera	13-megapixel	5-megapixel
Rear Camera	16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	8-megapixel
RAM	3GB	1.5GB
Storage	32GB	8GB
Battery Capacity	4000mAh	2600mAh
OS	Android 10	Android 6.0
Processor	-	MediaTek MT6737T
Resolution	-	540x960 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A21	Galaxy J2 Ace
Release date	April 8, 2020	January 1, 2017
Form factor	Touchscreen	Touchscreen
Battery capacity (mAh)	4000	2600
Removable battery	No	No
Fast charging	Proprietary	-
Wireless charging	No	-
Colours	Black	Gold, Black, Silver
display
Screen size (inches)	6.50	5.00
Touchscreen	Yes	Yes
Resolution	-	540x960 pixels
hardware
Processor make	MediaTek Helio P35 (MT6765)	MediaTek MT6737T
RAM	3GB	1.5GB
Internal storage	32GB	8GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	256
Processor	-	1.4GHz one-core
camera
Rear camera	16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	8-megapixel
Rear autofocus	Yes	-
Rear flash	Yes	LED
Front camera	13-megapixel	5-megapixel
Pop-Up Camera	No	-
Front flash	-	LED
software
Operating system	Android 10	Android 6.0
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	No
Bluetooth	Yes	No, v 4.20
Wi-Fi standards supported	-	802.11 b/g/n
NFC	-	No
Infrared	-	No
USB OTG	-	No
FM	-	No
Number of SIMs	-	2
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	No
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	-	No
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No
sim 1
3G	-	No
4G/ LTE	-	No
sim 2
3G	-	No
4G/ LTE	-	No

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