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OPPO Reno 15 vs Vivo X21i comparison

 Sponsored Compare OPPO Reno 15
OPPO Reno 15
Compare Vivo X21i
Vivo X21i
key specs
Display6.32-inch6.28-inch
ProcessorMediaTek Dimensity 8450MediaTek Helio P60
Front Camera50-megapixel 24-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel 12-megapixel
RAM12GB4GB
Storage256GB64GB
Battery Capacity6200mAh3245mAh
OSAndroid 16Android 8.1
Resolution1216x2640 pixels1080x2280 pixels
general
BrandOPPOVivo
ModelReno 15X21i
Release dateJanuary 8, 2026May 1, 2018
AI EnabledYes-
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)151.21 x 72.42 x 8.13154.37 x 74.98 x 6.99
Weight (g)188.00159.00
IP ratingIP69-
Battery capacity (mAh)62003245
Removable batteryNo-
Fast charging80W Fast Charging-
Wireless chargingNo-
ColoursAurora Blue, Twilight Blue, Aurora WhiteAurora White, Polar Night, Ruby Red
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.326.28
TouchscreenYesYes
Resolution1216x2640 pixels1080x2280 pixels
Pixels per inch (PPI)450-
hardware
Processorocta-core2GHz octa-core
Processor makeMediaTek Dimensity 8450MediaTek Helio P60 (MT6771)
RAM12GB4GB
Internal storage256GB64GB
Expandable storageNoYes
Expandable storage typeNomicroSD
Dedicated microSD slotNo-
Expandable storage up to (GB)-256
camera
Rear camera200-megapixel (f/1.8) + 50-megapixel (f/2.0) + 50-megapixel (f/2.8)12-megapixel
No. of Rear Cameras3-
Front camera50-megapixel (f/2.0)24-megapixel
No. of Front Cameras1-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Rear flash-Dual LED
software
Operating systemAndroid 16Android 8.1
SkinColorOS 16Funtouch OS 4
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.40Yes
NFCYes-
InfraredYes-
USB Type-CYes-
HeadphonesType-C-
Number of SIMs22
Active 4G on both SIM cardsYes-
USB OTG-Yes
FM-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 unlockYes-
In-Display Fingerprint SensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
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