Realme 1 vs Vivo X21 vs Xiaomi Mi Max 2 comparison

Show Only Differences Highlight Differences	Realme 1	Vivo X21	Xiaomi Mi Max 2
ratings
Overall NDTV Rating	Read Review	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.00-inch	6.28-inch	6.44-inch
Processor	MediaTek Helio P60	Qualcomm Snapdragon 660	Qualcomm Snapdragon 625
Front Camera	8-megapixel	12-megapixel	5-megapixel
Rear Camera	13-megapixel	12-megapixel + 5-megapixel	12-megapixel
RAM	6GB	6GB	4GB
Storage	128GB	128GB	64GB
Battery Capacity	3410mAh	3200mAh	5300mAh
OS	Android 8.1	Android 8.1	Android 7.0
Resolution	1080x2160 pixels	1080x2280 pixels	1080x1920 pixels
general
Brand	Realme	Vivo	Xiaomi
Model	1	X21	Mi Max 2
Release date	May 1, 2018	March 1, 2018	May 1, 2017
Launched in India	Yes	Yes	-
Form factor	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	156.00 x 75.20 x 7.80	154.50 x 74.80 x 7.40	174.10 x 88.70 x 7.60
Weight (g)	155.00	156.20	211.00
Battery capacity (mAh)	3410	3200	5300
Colours	Diamond Black, Moonlight Silver, Solar Red	Black, Gold	Gold, Black
Removable battery	-	No	No
Fast charging	-	Proprietary	-
display
Screen size (inches)	6.00	6.28	6.44
Touchscreen	Yes	Yes	Yes
Resolution	1080x2160 pixels	1080x2280 pixels	1080x1920 pixels
Aspect ratio	18:9	19:9	-
Pixels per inch (PPI)	402	-	342
hardware
Processor	octa-core (4x2GHz + 4x2GHz)	2.2GHz octa-core	2GHz octa-core
Processor make	MediaTek Helio P60 (MT6771)	Qualcomm Snapdragon 660	Qualcomm Snapdragon 625
RAM	6GB	6GB	4GB
Internal storage	128GB	128GB	64GB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	256	256	128
camera
Rear camera	13-megapixel (f/2.2)	12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)	12-megapixel
Rear autofocus	Phase detection autofocus	Phase detection autofocus	-
Rear flash	LED	LED	Dual LED
Front camera	8-megapixel (f/2.2)	12-megapixel (f/2.0)	5-megapixel
Front flash	No	-	-
software
Operating system	Android 8.1	Android 8.1	Android 7.0
Skin	ColorOS 5.0	FunTouch 4.0	MIUI 8
connectivity
Wi-Fi	Yes	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 a/b/g/n/ac	802.11 b/g/n
GPS	Yes	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 5.00	Yes
USB OTG	Yes	Yes	No
Micro-USB	Yes	Yes	-
Headphones	3.5mm	3.5mm	3.5mm
FM	Yes	No	Yes
Number of SIMs	2	2	2
NFC	-	No	No
Infrared	-	No	Yes
Wi-Fi Direct	-	-	No
Mobile High-Definition Link (MHL)	-	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sensors
Compass/ Magnetometer	Yes	Yes	No
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	Yes	Yes	Yes
Gyroscope	Yes	Yes	Yes
Fingerprint sensor	-	Yes	-
Barometer	-	-	No
Temperature sensor	-	-	No