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OnePlus 13s vs Samsung Galaxy S21 Ultra comparison

 Compare OnePlus 13s
OnePlus 13s
Compare Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.32-inch6.80-inch
ProcessorSnapdragon 8 EliteSamsung Exynos 2100
Front Camera32-megapixel 40-megapixel
Rear Camera50-megapixel + 50-megapixel 108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel
RAM12GB12GB, 16GB
Storage256GB, 512GB128GB, 256GB, 512GB
Battery Capacity5850mAh5000mAh
OSAndroid 15Android 11
Resolution1216x2640 pixels1440x3220 pixels
general
BrandOnePlusSamsung
Model13sGalaxy S21 Ultra
Release dateJune 5, 2025January 14, 2021
AI EnabledYes-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)150.80 x 71.70 x 8.20165.10 x 75.60 x 8.90
Weight (g)185.00228.00
IP ratingIP65IP68
Battery capacity (mAh)58505000
Removable batteryNo-
Fast charging80W Fast ChargingProprietary
ColoursBlack Velvet, Green Silk, Pink SatinPhantom Titanium, Phantom Navy, Phantom Brown
Wireless charging-Yes
display
Refresh Rate120 Hz-
Resolution Standard1.5K-
Screen size (inches)6.326.80
TouchscreenYesYes
Resolution1216x2640 pixels1440x3220 pixels
Pixels per inch (PPI)460515
Protection type-Gorilla Glass
hardware
Processorocta-core2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor makeSnapdragon 8 EliteSamsung Exynos 2100
RAM12GB12GB, 16GB
Internal storage256GB, 512GB128GB, 256GB, 512GB
Expandable storageNo-
Expandable storage typeNo-
Dedicated microSD slotNo-
camera
Rear camera50-megapixel (f/1.8) + 50-megapixel (f/2.0)108-megapixel (f/1.8, 0.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 10-megapixel (f/2.4, 1.22-micron) + 10-megapixel (f/4.9, 1.22-micron)
No. of Rear Cameras2-
Rear flashYesYes
Front camera32-megapixel (f/2.0)40-megapixel (f/2.2, 0.7-micron)
No. of Front Cameras1-
Lens Type (Second Rear Camera)Telephoto-
Rear autofocus-Laser autofocus
software
Operating systemAndroid 15Android 11
SkinOxygenOS 15One UI 3.1
connectivity
Wi-Fi 7Yes-
GPSYesYes
BluetoothYes, v 6.00Yes, v 5.00
NFCYesYes
InfraredYes-
USB Type-CYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
Wi-Fi-Yes
Wi-Fi standards supported-802.11 a/b/g/n/ac/ax
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYesYes
sensors
In-Display Fingerprint SensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Face unlock-Yes
Barometer-Yes
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