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OPPO Reno 15 vs Samsung Galaxy S21 Ultra comparison

 Sponsored Compare OPPO Reno 15
OPPO Reno 15
Compare Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
key specs
Display6.32-inch6.80-inch
ProcessorMediaTek Dimensity 8450Samsung Exynos 2100
Front Camera50-megapixel 40-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel 108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel
RAM12GB12GB, 16GB
Storage256GB128GB, 256GB, 512GB
Battery Capacity6200mAh5000mAh
OSAndroid 16Android 11
Resolution1216x2640 pixels1440x3220 pixels
general
BrandOPPOSamsung
ModelReno 15Galaxy S21 Ultra
Release dateJanuary 8, 2026January 14, 2021
AI EnabledYes-
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)151.21 x 72.42 x 8.13165.10 x 75.60 x 8.90
Weight (g)188.00228.00
IP ratingIP69IP68
Battery capacity (mAh)62005000
Removable batteryNo-
Fast charging80W Fast ChargingProprietary
Wireless chargingNoYes
ColoursAurora Blue, Twilight Blue, Aurora WhitePhantom Titanium, Phantom Navy, Phantom Brown
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.326.80
TouchscreenYesYes
Resolution1216x2640 pixels1440x3220 pixels
Pixels per inch (PPI)450515
Protection type-Gorilla Glass
hardware
Processorocta-core2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor makeMediaTek Dimensity 8450Samsung Exynos 2100
RAM12GB12GB, 16GB
Internal storage256GB128GB, 256GB, 512GB
Expandable storageNo-
Expandable storage typeNo-
Dedicated microSD slotNo-
camera
Rear camera200-megapixel (f/1.8) + 50-megapixel (f/2.0) + 50-megapixel (f/2.8)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 Cameras3-
Front camera50-megapixel (f/2.0)40-megapixel (f/2.2, 0.7-micron)
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Rear autofocus-Laser autofocus
Rear flash-Yes
software
Operating systemAndroid 16Android 11
SkinColorOS 16One UI 3.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCYesYes
InfraredYes-
USB Type-CYesYes
HeadphonesType-C-
Number of SIMs22
Active 4G on both SIM cardsYes-
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
Face unlockYesYes
In-Display Fingerprint SensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Compass/ Magnetometer-Yes
Barometer-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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