OnePlus N6x vs Vivo X21 comparison

Show Only Differences Highlight Differences	OnePlus N6x	Vivo X21
key specs
Display	6.80-inch	6.28-inch
Processor	MediaTek Dimensity 6360 Max	Qualcomm Snapdragon 660
Front Camera	5-megapixel	12-megapixel
Rear Camera	13-megapixel	12-megapixel + 5-megapixel
RAM	4GB	6GB
Storage	64GB, 128GB	128GB
Battery Capacity	7000mAh	3200mAh
OS	Android 16	Android 8.1
Resolution	720x1570 pixels	1080x2280 pixels
general
Brand	OnePlus	Vivo
Model	N6x	X21
Release date	July 31, 2026	March 1, 2018
AI Enabled	Yes	-
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Body type	Polycarbonate	-
Dimensions (mm)	166.38 x 78.13 x 8.65	154.50 x 74.80 x 7.40
Weight (g)	214.00	156.20
Battery capacity (mAh)	7000	3200
Removable battery	No	No
Fast charging	15W Fast Charging	Proprietary
Wireless charging	No	-
Colours	Burgundy Red and Ice Blue	Black, Gold
display
Refresh Rate	120 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.80	6.28
Touchscreen	Yes	Yes
Resolution	720x1570 pixels	1080x2280 pixels
Aspect ratio	19.5:9	19:9
Pixels per inch (PPI)	254	-
hardware
Processor	octa-core	2.2GHz octa-core
Processor make	MediaTek Dimensity 6360 Max	Qualcomm Snapdragon 660
RAM	4GB	6GB
Internal storage	64GB, 128GB	128GB
Expandable storage	No	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	256
camera
Rear camera	13-megapixel (f/2.2)	12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
No. of Rear Cameras	1	-
Rear autofocus	Yes	Phase detection autofocus
Rear flash	Yes	LED
Front camera	5-megapixel (f/2.2)	12-megapixel (f/2.0)
No. of Front Cameras	1	-
Pop-Up Camera	No	-
Front autofocus	No	-
Front flash	No	-
software
Operating system	Android 16	Android 8.1
Skin	OxygenOS 16	FunTouch 4.0
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
NFC	-	No
Infrared	-	No
USB OTG	-	Yes
Micro-USB	-	Yes
Headphones	-	3.5mm
FM	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM + CDMA	GSM
4G/ LTE	Yes	Yes
3G	-	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM + CDMA	GSM
4G/ LTE	Yes	Yes
3G	-	Yes
sensors
Face unlock	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Fingerprint sensor	-	Yes
ratings
Overall NDTV Rating	-	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-

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