OPPO Reno 15 vs Samsung Galaxy A51 5G comparison

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key specs
Display6.32-inch6.50-inch
ProcessorMediaTek Dimensity 8450octa-core
Front Camera50-megapixel 32-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel 48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel
RAM12GB6GB
Storage256GB128GB
Battery Capacity6200mAh4500mAh
OSAndroid 16Android 10
Resolution1216x2640 pixels1080x2400 pixels
general
BrandOPPOSamsung
ModelReno 15Galaxy A51 5G
Release dateJanuary 8, 2026April 9, 2020
AI EnabledYes-
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)151.21 x 72.42 x 8.13158.90 x 73.60 x 8.70
Weight (g)188.00187.00
IP ratingIP69-
Battery capacity (mAh)62004500
Removable batteryNo-
Fast charging80W Fast ChargingProprietary
Wireless chargingNo-
ColoursAurora Blue, Twilight Blue, Aurora WhitePrism Crush Blue, Prism Crush Black, Prism Crush Pink, Prism Crush White
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.326.50
TouchscreenYesYes
Resolution1216x2640 pixels1080x2400 pixels
Pixels per inch (PPI)450-
hardware
Processorocta-coreocta-core (2x2.2GHz + 6x1.8GHz)
Processor makeMediaTek Dimensity 8450-
RAM12GB6GB
Internal storage256GB128GB
Expandable storageNoYes
Expandable storage typeNomicroSD
Dedicated microSD slotNo-
Expandable storage up to (GB)-1000
camera
Rear camera200-megapixel (f/1.8) + 50-megapixel (f/2.0) + 50-megapixel (f/2.8)48-megapixel (f/2.0) + 12-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)
No. of Rear Cameras3-
Front camera50-megapixel (f/2.0)32-megapixel (f/2.2)
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
software
Operating systemAndroid 16Android 10
SkinColorOS 16One UI 2.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 ac
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCYesYes
InfraredYes-
USB Type-CYesYes
HeadphonesType-C3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
USB OTG-Yes
FM-Yes
Wi-Fi Direct-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
Face unlockYesYes
In-Display Fingerprint SensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes

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