Vivo Y91i vs Oppo A3s (4GB RAM, 64GB) comparison

Show Only Differences Highlight Differences	Vivo Y91i (16GB)	Oppo A3s (4GB RAM, 64GB)
key specs
Display	6.22-inch	6.20-inch
Processor	MediaTek Helio P22	Qualcomm Snapdragon 450
Front Camera	5-megapixel	8-megapixel
Rear Camera	13-megapixel	13-megapixel + 2-megapixel
RAM	2GB	4GB
Storage	16GB	64GB
Battery Capacity	4030mAh	4230mAh
OS	Android 8.1	Android 8.1 Oreo
Resolution	720x1520 pixels	720x1520 pixels
general
Brand	Vivo	Oppo
Model	Y91i	A3s
Release date	March 1, 2019	-
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	155.11 x 75.09 x 8.28	156.20 x 75.60 x 8.20
Weight (g)	163.50	168.00
Battery capacity (mAh)	4030	4230
Colours	Fusion Black, Ocean Blue	Nebula Red, Ocean Blue, Purple, Red
display
Screen size (inches)	6.22	6.20
Touchscreen	Yes	Yes
Resolution	720x1520 pixels	720x1520 pixels
Aspect ratio	19:9	19:9
hardware
Processor	octa-core	1.8GHz octa-core
Processor make	MediaTek Helio P22 (MT6762)	Qualcomm Snapdragon 450
RAM	2GB	4GB
Internal storage	16GB	64GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	-	256
camera
Rear camera	13-megapixel (f/2.2)	13-megapixel (f/2.2) + 2-megapixel (f/2.4)
Rear autofocus	Yes	Yes
Rear flash	Yes	LED
Front camera	5-megapixel (f/1.8)	8-megapixel (f/2.2)
software
Operating system	Android 8.1	Android 8.1 Oreo
Skin	Funtouch OS 4.5	ColorOS 5.1
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.20
USB OTG	Yes	-
Micro-USB	Yes	Yes
Headphones	3.5mm	3.5mm
FM	Yes	-
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
Face unlock	Yes	-
Fingerprint sensor	No	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	-
Gyroscope	Yes	-

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