Vivo Y91 (3GB RAM, 32GB) vs Oppo A3s comparison

Show Only Differences Highlight Differences	Vivo Y91 (3GB RAM, 32GB)	Oppo A3s (2GB RAM, 16GB)
key specs
Display	6.22-inch	6.20-inch
Processor	MediaTek Helio P22	Qualcomm Snapdragon 450
Front Camera	8-megapixel	8-megapixel
Rear Camera	13-megapixel + 2-megapixel	13-megapixel + 2-megapixel
RAM	3GB	2GB
Storage	32GB	16GB
Battery Capacity	4030mAh	4230mAh
OS	Android 8.1	Android 8.1 Oreo
Resolution	720x1520 pixels	720x1520 pixels
general
Brand	Vivo	Oppo
Model	Y91	A3s
Release date	January 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	Nebula Purple, Ocean Blue, Starry Black	Red, Dark Purple
display
Screen size (inches)	6.22	6.20
Touchscreen	Yes	Yes
Resolution	720x1520 pixels	720x1520 pixels
Aspect ratio	-	19:9
hardware
Processor	octa-core	1.8GHz octa-core
Processor make	MediaTek Helio P22 (MT6762R)	Qualcomm Snapdragon 450
RAM	3GB	2GB
Internal storage	32GB	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/f/2.2) + 2-megapixel (f/f/2.4)	13-megapixel (f/2.2) + 2-megapixel (f/2.4)
Rear flash	LED	LED
Front camera	8-megapixel (f/f/1.8)	8-megapixel (f/2.2)
Front flash	No	-
Rear autofocus	-	Yes
software
Operating system	Android 8.1	Android 8.1 Oreo
Skin	Funtouch OS 4.5	ColorOS 5.1
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.20
NFC	No	-
Micro-USB	Yes	Yes
Headphones	3.5mm	3.5mm
Number of SIMs	2	-
Active 4G on both SIM cards	Yes	-
GPS	-	Yes
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	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	-
Gyroscope	Yes	-

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