Oppo A3x 4G vs Vivo Y91 comparison 671cg

Compare Oppo A3x 4G
Compare Vivo Y91
key specs
Display 6.67-inch 6.22-inch
Processor Qualcomm Snapdragon 6s Gen 1 MediaTek Helio P22
Front Camera 5-megapixel 8-megapixel
Rear Camera 8-megapixel 13-megapixel + 2-megapixel
RAM 4GB 2GB
Storage 64GB, 128GB 32MB
Battery Capacity 5100mAh 4030mAh
OS Android 14 Android 8.1
Resolution 720x1604 pixels 720x1520 pixels
general
Brand Oppo Vivo
Model A3x 4G Y91
Release date October 25, 2024 January 1, 2019
Launched in India Yes Yes
Form factor Touchscreen Touchscreen
Dimensions (mm) 165.77 x 76.80 x 7.68 155.11 x 75.09 x 8.28
Weight (g) 186.00 163.50
Battery capacity (mAh) 5100 4030
Removable battery No -
Fast charging 45W Fast Charging -
Wireless charging No -
Colours Nebula Red, Ocean Blue Starry Black, Ocean Blue
display
Refresh Rate 90 Hz -
Resolution Standard HD+ -
Screen size (inches) 6.67 6.22
Touchscreen Yes Yes
Resolution 720x1604 pixels 720x1520 pixels
Protection type Other -
hardware
Processor octa-core octa-core
Processor make Qualcomm Snapdragon 6s Gen 1 MediaTek Helio P22 (MT6762R)
RAM 4GB 2GB
Internal storage 64GB, 128GB 32MB
Expandable storage Yes Yes
Expandable storage type microSD microSD
Expandable storage up to (GB) - 256
Dedicated microSD slot - Yes
camera
Rear camera 8-megapixel (f/2.0) 13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)
No. of Rear Cameras 2 -
Front camera 5-megapixel (f/2.2) 8-megapixel (f/f/1.8)
No. of Front Cameras 1 -
Rear flash - LED
Front flash - No
software
Operating system Android 14 Android 8.1
Skin ColorOS 14 Funtouch OS 4.5
connectivity
Wi-Fi Yes Yes
Wi-Fi standards ed 802.11 a/b/g/n/ac -
GPS Yes -
Bluetooth Yes, v 5.00 Yes, v 5.00
USB OTG Yes -
USB Type-C Yes -
Headphones 3.5mm 3.5mm
Number of SIMs 2 2
Active 4G on both SIM cards Yes Yes
NFC - No
Micro-USB - Yes
sim 1
SIM Type Nano-SIM Nano-SIM
GSM/CDMA GSM GSM
3G Yes Yes
4G/ LTE Yes Yes
sim 2
SIM Type Nano-SIM Nano-SIM
GSM/CDMA GSM GSM
3G Yes Yes
4G/ LTE Yes Yes
sensors
Fingerprint sensor Yes Yes
Com/ Magnetometer Yes Yes
Proximity sensor Yes Yes
Accelerometer Yes Yes
Ambient light sensor Yes Yes
Face unlock - Yes
Gyroscope - Yes

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