OPPO Reno 15 vs Xiaomi 12S Ultra comparison

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key specs
Display6.32-inch6.73-inch
ProcessorMediaTek Dimensity 8450Qualcomm Snapdragon 8+ Gen 1
Front Camera50-megapixel 32-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel 50-megapixel + 48-megapixel + 48-megapixel
RAM12GB8GB, 12GB
Storage256GB256GB, 512GB
Battery Capacity6200mAh4860mAh
OSAndroid 16Android 12
Resolution1216x2640 pixels1440x3200 pixels
general
BrandOPPOXiaomi
ModelReno 1512S Ultra
Release dateJanuary 8, 2026July 4, 2022
AI EnabledYes-
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Body typeGlassGlass
Dimensions (mm)151.21 x 72.42 x 8.13163.17 x 74.97 x 9.06
Weight (g)188.00225.00
IP ratingIP69-
Battery capacity (mAh)62004860
Removable batteryNo-
Fast charging80W Fast Charging-
Wireless chargingNo-
ColoursAurora Blue, Twilight Blue, Aurora WhiteBlack, Green
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.326.73
TouchscreenYesYes
Resolution1216x2640 pixels1440x3200 pixels
Pixels per inch (PPI)450-
Protection type-Gorilla Glass
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 8450Qualcomm Snapdragon 8+ Gen 1
RAM12GB8GB, 12GB
Internal storage256GB256GB, 512GB
Expandable storageNoNo
Expandable storage typeNo-
Dedicated microSD slotNo-
camera
Rear camera200-megapixel (f/1.8) + 50-megapixel (f/2.0) + 50-megapixel (f/2.8)50-megapixel (f/1.9) + 48-megapixel (f/2.2) + 48-megapixel (f/4.1)
No. of Rear Cameras33
Front camera50-megapixel (f/2.0)32-megapixel
No. of Front Cameras11
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 16Android 12
SkinColorOS 16MIUI 13
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 5.20
NFCYesYes
InfraredYes-
USB Type-CYesYes
HeadphonesType-C-
Number of SIMs2-
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GYes-
sensors
Face unlockYes-
In-Display Fingerprint SensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes

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