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Compare Mobile Phones
Oppo A78 vs Vivo Y21
Oppo A78
vs
Vivo Y21
comparison
Show Only Differences
Highlight Differences
Oppo A78
Vivo Y21
key specs
Display
6.43-inch
6.50-inch
Processor
Qualcomm Snapdragon 680
MediaTek Helio P35
Front Camera
8-megapixel
8-megapixel
Rear Camera
50-megapixel + 2-megapixel
13-megapixel + 2-megapixel
RAM
8GB
4GB
Storage
128MB
128GB
Battery Capacity
5000mAh
5000mAh
OS
Android
Android 11
Resolution
1080x2400 pixels
720x1600 pixels
general
Brand
Oppo
Vivo
Model
A78
Y21
Release date
August 12, 2023
-
Launched in India
Yes
Yes
Form factor
Touchscreen
Touchscreen
Dimensions (mm)
160.00 x 73.20 x 7.90
164.26 x 76.08 x 8.00
Weight (g)
180.00
182.00
Battery capacity (mAh)
5000
5000
Removable battery
No
-
Fast charging
Super VOOC
Proprietary
Wireless charging
No
-
Colours
Aqua Green, Mist Black
Midnight Blue, Diamond Black
display
Refresh Rate
90 Hz
-
Resolution Standard
FHD
-
Screen size (inches)
6.43
6.50
Touchscreen
Yes
Yes
Resolution
1080x2400 pixels
720x1600 pixels
Pixels per inch (PPI)
409
-
hardware
Processor
octa-core
octa-core
Processor make
Qualcomm Snapdragon 680
MediaTek Helio P35 (MT6765)
RAM
8GB
4GB
Internal storage
128MB
128GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
-
1000
Dedicated microSD slot
-
Yes
camera
Rear camera
50-megapixel (f/f/1.8) + 2-megapixel (f/2.4)
13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras
2
2
Front camera
8-megapixel (f/2.0)
8-megapixel (f/2.0)
No. of Front Cameras
1
1
Rear autofocus
-
Yes
Rear flash
-
LED
software
Operating system
Android
Android 11
Skin
ColorOS 13.1
Funtouch OS 11.1
connectivity
Wi-Fi
Yes
Yes
Wi-Fi standards supported
802.11 a/b/g/n
-
GPS
Yes
-
Bluetooth
Yes, v 5.00
Yes, v 5.00
NFC
Yes
-
USB OTG
Yes
Yes
USB Type-C
Yes
-
Number of SIMs
2
-
Active 4G on both SIM cards
Yes
-
sim 1
SIM Type
Nano-SIM
-
GSM/CDMA
GSM
-
3G
Yes
-
4G/ LTE
Yes
-
5G
No
-
sim 2
SIM Type
Nano-SIM
-
GSM/CDMA
GSM
-
3G
Yes
-
4G/ LTE
Yes
-
5G
No
-
sensors
Fingerprint sensor
-
Yes
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