Redmi Note 15 5G vs Vivo S1 Prime comparison

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ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.77-inch6.38-inch
Front Camera20-megapixel16-megapixel
Rear Camera108-megapixel + 8-megapixel48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM8GB8GB
Storage128GB, 256GB128GB
Battery Capacity5520mAh4500mAh
OSAndroid 15Android 9 Pie
Resolution1080x2392 pixels1080x2340 pixels
Processor-Qualcomm Snapdragon 665
general
BrandXiaomiVivo
ModelRedmi Note 15 5GS1 Prime
Release dateDecember 11, 2025August 13, 2020
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Body typePolycarbonatePlastic
Dimensions (mm)164.00 x 75.42 x 7.35159.25 x 75.19 x 8.68
Weight (g)178.00190.20
IP ratingIP65-
Battery capacity (mAh)55204500
Removable batteryNoNo
Fast charging45W Fast ChargingProprietary
Wireless chargingNoNo
ColoursBlack, Glacier Blue, and Mist PurpleJade Black, Nebula Blue
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.776.38
TouchscreenYesYes
Resolution1080x2392 pixels1080x2340 pixels
Protection typeGorilla Glass 7i-
Aspect ratio16:9-
hardware
Processor makeQualcomm Snapdragon 6 Gen 3Qualcomm Snapdragon 665
RAM8GB8GB
Internal storage128GB, 256GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)1TB-
Processor-octa-core
camera
Rear camera108-megapixel + 8-megapixel48-megapixel (f/1.8) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras2-
Front camera20-megapixel16-megapixel (f/2.0)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 15Android 9 Pie
SkinHyperOS 2Funtouch OS 9.2
connectivity
Wi-FiYesYes
BluetoothYesYes, v 5.00
NFCYes-
USB Type-CYesYes
Wi-Fi standards supported-802.11 b/g/n
GPS-Yes
USB OTG-Yes
Number of SIMs-2
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sensors
Face unlock-Yes
Fingerprint sensor-Yes
In-Display Fingerprint Sensor-Yes
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