Oppo Reno 3A vs Samsung Galaxy M21 comparison

Compare Oppo Reno 3A
Compare Samsung Galaxy M21
key specs
Display6.44-inch6.40-inch
Front Camera16-megapixel20-megapixel
Rear Camera48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel 48-megapixel + 8-megapixel + 5-megapixel
RAM6GB4GB
Storage128GB64GB
Battery Capacity4025mAh6000mAh
OSAndroidAndroid 10
Processor-Samsung Exynos 9611
Resolution-2340x1080 pixels
general
BrandOppoSamsung
ModelReno 3AGalaxy M21
Release dateJune 1, 2020March 18, 2020
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)161.00 x 74.00 x 8.20-
Weight (g)175.00188.00
Battery capacity (mAh)40256000
Removable batteryNoNo
Thickness-8.9
Fast charging-Proprietary
Wireless charging-No
Colours-Midnight Blue, Raven Black
display
Screen size (inches)6.446.40
TouchscreenYesYes
Resolution-2340x1080 pixels
Protection type-Gorilla Glass
Aspect ratio-19.5:9
hardware
Processor makeQualcomm Snapdragon 665Samsung Exynos 9611
RAM6GB4GB
Internal storage128GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Dedicated microSD slotYes-
Processor-1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)
Expandable storage up to (GB)-512
camera
Rear camera48-megapixel (f/1.7) + 8-megapixel (f/2.25) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)48-megapixel + 8-megapixel + 5-megapixel
Front camera16-megapixel20-megapixel
Rear autofocus-Yes
Rear flash-Yes
Front flash-No
software
Operating systemAndroidAndroid 10
SkinColorOS 7.1One UI 2.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes
USB Type-CYesYes
Headphones3.5mm3.5mm
FMYes-
Wi-Fi standards supported-802.11 a/b/g
Number of SIMs-2
sensors
Fingerprint sensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Face unlock-Yes
Compass/ Magnetometer-Yes
Ambient light sensor-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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

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