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Oppo A55 vs Samsung Galaxy A21
Oppo A55 vs Samsung Galaxy A21 comparison 33512
Show Only Differences
Highlight Differences
Oppo A55
Samsung Galaxy A21
key specs
Display
6.51-inch
6.50-inch
Processor
MediaTek Helio G35
-
Front Camera
16-megapixel
13-megapixel
Rear Camera
50-megapixel + 2-megapixel + 2-megapixel
16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM
4GB, 6GB
3GB
Storage
64GB, 128GB
32GB
Battery Capacity
5000mAh
4000mAh
OS
Android 11
Android 10
Resolution
720x1600 pixels
-
general
Brand
Oppo
Samsung
Model
A55
Galaxy A21
Release date
October 1, 2021
April 8, 2020
Launched in India
Yes
-
Form factor
Touchscreen
Touchscreen
Dimensions (mm)
163.60 x 75.70 x 8.40
-
Weight (g)
193.00
-
Battery capacity (mAh)
5000
4000
Fast charging
Proprietary
Proprietary
Colours
Rainbow Blue, Starry Black
Black
Removable battery
-
No
Wireless charging
-
No
display
Refresh Rate
60 Hz
-
Screen size (inches)
6.51
6.50
Touchscreen
Yes
Yes
Resolution
720x1600 pixels
-
Aspect ratio
20:9
-
hardware
Processor
dual-core
-
Processor make
MediaTek Helio G35
MediaTek Helio P35 (MT6765)
RAM
4GB, 6GB
3GB
Internal storage
64GB, 128GB
32GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
256
512
Dedicated microSD slot
Yes
-
camera
Rear camera
50-megapixel (f/1.8) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
No. of Rear Cameras
3
-
Rear autofocus
Yes
Yes
Rear flash
Yes
Yes
Front camera
16-megapixel
13-megapixel
No. of Front Cameras
1
-
Pop-Up Camera
-
No
software
Operating system
Android 11
Android 10
Skin
ColorOS 11.1
-
connectivity
Wi-Fi
Yes
Yes
Wi-Fi standards ed
802.11 a/b/g/n/ac
-
GPS
Yes
Yes
Bluetooth
Yes, v 5.00
Yes
USB OTG
Yes
-
USB Type-C
Yes
-
Headphones
3.5mm
-
Number of SIMs
2
-
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
Yes
Com/ Magnetometer
Yes
-
Proximity sensor
Yes
-
Accelerometer
Yes
-
Ambient light sensor
Yes
-
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