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key specs | ||||
Display | 6.40-inch | 6.40-inch | ||
Front Camera | Unspecified | 16-megapixel | ||
Rear Camera | 48-megapixel | 16-megapixel + 5-megapixel | ||
Battery Capacity | 6000mAh | 4000mAh | ||
OS | Android 11 | Android Pie | ||
Resolution | 1080x2340 pixels | 1080x2340 pixels | ||
RAM | - | 4GB | ||
Storage | - | 64GB | ||
general | ||||
Brand | Samsung | Samsung | ||
Model | Galaxy M21 2021 Edition | Galaxy A30 | ||
Release date | July 21, 2021 | February 1, 2019 | ||
Launched in India | No | Yes | ||
Form factor | Touchscreen | Touchscreen | ||
Battery capacity (mAh) | 6000 | 4000 | ||
Colours | Arctic Blue, Charcoal Black | Red, Blue, Black | ||
Dimensions (mm) | - | 158.50 x 74.70 x 7.70 | ||
Fast charging | - | Proprietary | ||
display | ||||
Screen size (inches) | 6.40 | 6.40 | ||
Touchscreen | Yes | Yes | ||
Resolution | 1080x2340 pixels | 1080x2340 pixels | ||
Aspect ratio | 19.5:9 | - | ||
camera | ||||
Rear camera | 48-megapixel | 16-megapixel (f/1.7) + 5-megapixel (f/2.2) | ||
No. of Rear Cameras | 3 | - | ||
Rear autofocus | Yes | Yes | ||
Rear flash | Yes | Yes | ||
Front camera | Unspecified | 16-megapixel (f/2.0) | ||
No. of Front Cameras | 1 | - | ||
software | ||||
Operating system | Android 11 | Android Pie | ||
Skin | One UI Core 3.1 | One UI | ||
connectivity | ||||
Wi-Fi | Yes | Yes | ||
GPS | Yes | Yes | ||
Bluetooth | Yes | Yes | ||
USB Type-C | Yes | Yes | ||
Number of SIMs | 2 | 2 | ||
Headphones | - | 3.5mm | ||
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 | ||||
Fingerprint sensor | Yes | Yes | ||
Proximity sensor | Yes | Yes | ||
Accelerometer | Yes | 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 | - | |||
hardware | ||||
Processor make | - | Samsung Exynos 7904 | ||
RAM | - | 4GB | ||
Internal storage | - | 64GB | ||
Expandable storage | - | Yes | ||
Expandable storage type | - | microSD | ||
Expandable storage up to (GB) | - | 512 | ||
Dedicated microSD slot | - | Yes |