Realme C21Y vs Oppo A3s comparison

Show Only Differences Highlight Differences	Realme C21Y	Oppo A3s
key specs
Display	6.50-inch	6.20-inch
Processor	Unisoc T610	Qualcomm Snapdragon 450
Front Camera	5-megapixel	8-megapixel
Rear Camera	13-megapixel + 2-megapixel + 2-megapixel	13-megapixel + 2-megapixel
RAM	3GB, 4GB	2GB
Storage	32GB, 64GB	16GB
Battery Capacity	5000mAh	4230mAh
OS	Android 11	Android 8.1 Oreo
Resolution	720x1600 pixels	720x1520 pixels
general
Brand	Realme	Oppo
Model	C21Y	A3s
Release date	July 14, 2021	-
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	164.50 x 76.00 x 9.10	156.20 x 75.60 x 8.20
Weight (g)	200.00	168.00
Battery capacity (mAh)	5000	4230
Fast charging	Proprietary	-
Colours	Cross Black, Cross Blue	Red, Dark Purple
display
Screen size (inches)	6.50	6.20
Touchscreen	Yes	Yes
Resolution	720x1600 pixels	720x1520 pixels
Aspect ratio	20:9	19:9
hardware
Processor	octa-core	1.8GHz octa-core
Processor make	Unisoc T610	Qualcomm Snapdragon 450
RAM	3GB, 4GB	2GB
Internal storage	32GB, 64GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	256	256
Dedicated microSD slot	Yes	-
camera
Rear camera	13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)	13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras	3	-
Rear autofocus	Yes	Yes
Rear flash	Yes	LED
Front camera	5-megapixel (f/2.4)	8-megapixel (f/2.2)
No. of Front Cameras	1	-
software
Operating system	Android 11	Android 8.1 Oreo
Skin	Realme UI	ColorOS 5.1
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.20
Micro-USB	Yes	Yes
Headphones	3.5mm	3.5mm
Number of SIMs	2	-
Wi-Fi Direct	-	Yes
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	-

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