OPPO K13x 5G vs Vivo S1 comparison

Compare OPPO K13x 5G
Compare Vivo S1
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.67-inch6.38-inch
ProcessorMediaTek Dimensity 6300MediaTek Helio P65
Front Camera8-megapixel 32-megapixel
Rear Camera50-megapixel + 2-megapixel 16-megapixel + 8-megapixel + 5-megapixel
RAM4GB, 6GB, 8GB4GB
Storage128GB128GB
Battery Capacity6000mAh4500mAh
OSAndroid 15Android Pie
Resolution720x1604 pixels1080x2340 pixels
general
BrandOPPOVivo
ModelK13x 5GS1
Release dateJune 23, 2025July 1, 2019
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.70 x 76.24 x 7.99159.53 x 75.23 x 8.13
Weight (g)194.00179.00
IP ratingIP65-
Battery capacity (mAh)60004500
Fast charging45W Fast ChargingProprietary
ColoursMidnight Violet, Sunset PeachSkyline Blue, Diamond Black
Removable battery-No
Wireless charging-No
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.676.38
TouchscreenYesYes
Resolution720x1604 pixels1080x2340 pixels
Aspect ratio-19.5:9
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 6300MediaTek Helio P65 (MT6768)
RAM4GB, 6GB, 8GB4GB
Internal storage128GB128GB
Expandable storage-No
Dedicated microSD slot-No
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)16-megapixel (f/1.78) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4)
No. of Rear Cameras2-
Rear flashYes-
Front camera8-megapixel (f/2.0)32-megapixel (f/2.0)
No. of Front Cameras1-
software
Operating systemAndroid 15Android Pie
SkinColorOS 15Funtouch OS 9
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCYes-
USB Type-CYes-
Headphones3.5mm-
Number of SIMs22
Active 4G on both SIM cardsYes-
USB OTG-Yes
sim 1
SIM Type-Nano-SIM
sim 2
SIM Type-Nano-SIM
sensors
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes
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