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Samsung Galaxy S21 vs Samsung Galaxy S20 comparison

 Compare Samsung Galaxy S21
Samsung Galaxy S21
Compare Samsung Galaxy S20
Samsung Galaxy S20
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.20-inch6.20-inch
ProcessorSamsung Exynos 2100Samsung Exynos 990
Front Camera10-megapixel 10-megapixel
Rear Camera12-megapixel + 12-megapixel + 64-megapixel 12-megapixel + 64-megapixel + 12-megapixel
RAM8GB8GB
Storage128GB, 256GB128GB
Battery Capacity4000mAh4000mAh
OSAndroid 11Android 10
Resolution1080x2400 pixels1440x3200 pixels
general
BrandSamsungSamsung
ModelGalaxy S21Galaxy S20
Release dateJanuary 14, 2021February 11, 2020
Form factorTouchscreenTouchscreen
Dimensions (mm)151.70 x 71.20 x 7.90151.70 x 69.10 x 7.90
Weight (g)171.00163.00
IP ratingIP68IP68
Battery capacity (mAh)40004000
Fast chargingProprietaryProprietary
Wireless chargingYesYes
ColoursPhantom VioletCloud Blue, Cloud Pink, Cosmic Grey,
Body type-Glass
Removable battery-No
display
Screen size (inches)6.206.20
TouchscreenYesYes
Resolution1080x2400 pixels1440x3200 pixels
Protection typeGorilla Glass-
Aspect ratio20:920:9
Pixels per inch (PPI)421-
hardware
Processor2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)2GHz octa-core (2x2.73GHz + 2x2.5GHz + 4x2GHz)
Processor makeSamsung Exynos 2100Samsung Exynos 990
RAM8GB8GB
Internal storage128GB, 256GB128GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-1000
Dedicated microSD slot-No
camera
Rear camera12-megapixel (f/1.8, 1.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 64-megapixel (f/2.0, 0.8-micron)12-megapixel (f/1.8) + 64-megapixel (f/2.0) + 12-megapixel (f/2.2)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesDual LED
Front camera10-megapixel (f/2.2, 1.22-micron)10-megapixel (f/2.2)
No. of Front Cameras1-
Front autofocus-Yes
software
Operating systemAndroid 11Android 10
SkinOne UI 3.1One UI 2.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
NFCYesYes
USB Type-CYesYes
Number of SIMs22
Headphones-Type-C
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYes-
5GYes-
sensors
Face unlockYesYes
In-Display Fingerprint SensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerYesYes

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