OPPO Reno 15 Pro Mini 5G vs Samsung Galaxy S21 Ultra comparison

Compare OPPO Reno 15 Pro Mini 5G
Compare 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
Storage256GB, 512GB128GB, 256GB, 512GB
Battery Capacity6500mAh5000mAh
OSAndroid Android 16Android 11
Resolution1216x2640 pixels1440x3220 pixels
general
BrandOPPOSamsung
ModelReno 15 Pro Mini 5GGalaxy S21 Ultra
Release dateJanuary 8, 2026January 14, 2021
AI EnabledYes-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)151.20 x 72.40 x 8.00165.10 x 75.60 x 8.90
Weight (g)187.00228.00
IP ratingIP69IP68
Battery capacity (mAh)65005000
Removable batteryNo-
Fast charging80W Fast ChargingProprietary
Wireless chargingNoYes
ColoursGlacier White, Cocoa BrownPhantom Titanium, Phantom Navy, Phantom Brown
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.326.80
TouchscreenYesYes
Resolution1216x2640 pixels1440x3220 pixels
Protection typeGorilla Glass 7iGorilla Glass
Pixels per inch (PPI)460515
hardware
Processorocta-core2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor makeMediaTek Dimensity 8450Samsung Exynos 2100
RAM12GB12GB, 16GB
Internal storage256GB, 512GB128GB, 256GB, 512GB
Expandable storageNo-
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 Android 16Android 11
SkinColorOS 16One UI 3.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 ax802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCNoYes
USB Type-CYesYes
Active 4G on both SIM cardsYes-
Number of SIMs-2
sensors
Face unlockYesYes
In-Display Fingerprint SensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes
Gyroscope-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-
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes

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