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Vivo Y91 (3GB RAM, 32GB) vs Oppo A77
Vivo Y91 (3GB RAM, 32GB)
vs
Oppo A77
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Vivo Y91 (3GB RAM, 32GB)
Oppo A77 (3GB RAM, 32GB)
key specs
Display
6.22-inch
5.50-inch
Processor
MediaTek Helio P22
MediaTek MT6750T
Front Camera
8-megapixel
16-megapixel
Rear Camera
13-megapixel + 2-megapixel
13-megapixel
RAM
3GB
4GB
Storage
32GB
64GB
Battery Capacity
4030mAh
3200mAh
OS
Android 8.1
Android 6.0
Resolution
720x1520 pixels
1080x1920 pixels
general
Brand
Vivo
Oppo
Model
Y91
A77
Release date
January 1, 2019
May 1, 2017
Launched in India
Yes
-
Form factor
Touchscreen
Touchscreen
Dimensions (mm)
155.11 x 75.09 x 8.28
-
Weight (g)
163.50
153.00
Battery capacity (mAh)
4030
3200
Colours
Nebula Purple, Ocean Blue, Starry Black
Gold, Rose Gold
Removable battery
-
No
display
Screen size (inches)
6.22
5.50
Touchscreen
Yes
Yes
Resolution
720x1520 pixels
1080x1920 pixels
hardware
Processor
octa-core
1.5GHz octa-core
Processor make
MediaTek Helio P22 (MT6762R)
MediaTek MT6750T
RAM
3GB
4GB
Internal storage
32GB
64GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
-
Expandable storage up to (GB)
256
128
Dedicated microSD slot
Yes
-
camera
Rear camera
13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)
13-megapixel
Rear flash
LED
Dual LED
Front camera
8-megapixel (f/f/1.8)
16-megapixel
Front flash
No
-
software
Operating system
Android 8.1
Android 6.0
Skin
Funtouch OS 4.5
ColorOS 3.0
connectivity
Wi-Fi
Yes
Yes
Bluetooth
Yes, v 5.00
Yes
NFC
No
No
Micro-USB
Yes
-
Headphones
3.5mm
3.5mm
Number of SIMs
2
2
Active 4G on both SIM cards
Yes
-
GPS
-
Yes
Infrared
-
No
USB OTG
-
No
FM
-
No
Wi-Fi Direct
-
No
Mobile High-Definition Link (MHL)
-
No
sim 1
SIM Type
Nano-SIM
Nano-SIM
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
Yes
sim 2
SIM Type
Nano-SIM
Nano-SIM
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
Yes
sensors
Face unlock
Yes
-
Fingerprint sensor
Yes
-
Compass/ Magnetometer
Yes
No
Proximity sensor
Yes
Yes
Accelerometer
Yes
Yes
Ambient light sensor
Yes
Yes
Gyroscope
Yes
No
Barometer
-
No
Temperature sensor
-
No
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OnePlus
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Poco
Realme
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Samsung
Sharp
Sony
TCL
Tecno
Xiaomi
ZTE
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