Realme Narzo 80 Pro 5G vs Vivo X21 UD comparison

Show Only Differences Highlight Differences	Realme Narzo 80 Pro 5G	Vivo X21 UD
key specs
Display	6.77-inch	6.28-inch
Front Camera	16-megapixel	12-megapixel
Rear Camera	50-megapixel + 2-megapixel	12-megapixel
RAM	8GB, 12GB	6GB
Storage	128GB, 256GB	128GB
Battery Capacity	6000mAh	3200mAh
OS	Android 15	Android 8.1
Resolution	1080x2392 pixels	1080x2280 pixels
Processor	-	Qualcomm Snapdragon 660
general
Brand	Realme	Vivo
Model	Narzo 80 Pro 5G	X21 UD
Release date	April 9, 2025	March 1, 2018
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	162.75 x 74.92 x 7.55	154.50 x 74.80 x 7.40
Weight (g)	179.00	156.20
IP rating	IP69	-
Battery capacity (mAh)	6000	3200
Fast charging	80W Fast Charging	-
Colours	Racing Green, Speed Silver	Ruby Red, Aurora White, Black
display
Refresh Rate	120 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.77	6.28
Touchscreen	Yes	Yes
Resolution	1080x2392 pixels	1080x2280 pixels
hardware
Processor make	MediaTek Dimensity 7400	Qualcomm Snapdragon 660
RAM	8GB, 12GB	6GB
Internal storage	128GB, 256GB	128GB
Processor	-	octa-core
camera
Rear camera	50-megapixel + 2-megapixel	12-megapixel
Front camera	16-megapixel	12-megapixel
No. of Front Cameras	1	-
Rear flash	-	LED
software
Operating system	Android 15	Android 8.1
Skin	Realme UI 6	FunTouch 4.0
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 a/b/g/n/ac
Bluetooth	Yes, v 5.30	Yes, v 5.00
USB Type-C	Yes	-
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
GPS	-	Yes
USB OTG	-	Yes
Headphones	-	3.5mm
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	-
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
sim 1
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes

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