Vivo Y81 vs Lenovo K8 Note vs Lenovo Vibe K4 Note comparison

Show Only Differences Highlight Differences	Vivo Y81	Lenovo K8 Note	Lenovo Vibe K4 Note
key specs
Display	6.22-inch	5.50-inch	5.50-inch
Processor	MediaTek Helio P22	MediaTek Helio X23	MediaTek MT6753
Front Camera	5-megapixel	13-megapixel	5-megapixel
Rear Camera	13-megapixel	13-megapixel	13-megapixel
RAM	3GB	3GB	3GB
Storage	32GB	32GB	16GB
Battery Capacity	3260mAh	4000mAh	3300mAh
OS	Android 8.1	Android 7.1.1	Android 5.1
Resolution	720x1520 pixels	1080x1920 pixels	1080x1920 pixels
general
Brand	Vivo	Lenovo	Lenovo
Model	Y81	K8 Note	Vibe K4 Note
Release date	June 1, 2018	August 1, 2017	January 1, 2016
Launched in India	Yes	-	-
Form factor	Touchscreen	Touchscreen	Touchscreen
Body type	Plastic	-	-
Dimensions (mm)	155.06 x 75.00 x 7.77	154.50 x 75.90 x 8.50	153.60 x 76.50 x 9.20
Weight (g)	146.50	180.00	158.00
Battery capacity (mAh)	3260	4000	3300
Colours	Black	Fine Gold, Venom Black	Black, White
Removable battery	-	No	No
SAR value	-	-	0.84
display
Screen size (inches)	6.22	5.50	5.50
Touchscreen	Yes	Yes	Yes
Resolution	720x1520 pixels	1080x1920 pixels	1080x1920 pixels
Aspect ratio	19:9	-	-
Pixels per inch (PPI)	270	441	401
hardware
Processor	2GHz octa-core	1.4GHz deca-core	1.3GHz octa-core
Processor make	MediaTek Helio P22 (MT6762)	MediaTek Helio X23 (MT6797D)	MediaTek MT6753
RAM	3GB	3GB	3GB
Internal storage	32GB	32GB	16GB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	256	128	128
camera
Rear camera	13-megapixel (f/2.2)	13-megapixel	13-megapixel
Rear autofocus	Phase detection autofocus	-	-
Rear flash	LED	Dual LED	Dual LED
Front camera	5-megapixel (f/2.2)	13-megapixel	5-megapixel
Front flash	-	LED	-
software
Operating system	Android 8.1	Android 7.1.1	Android 5.1
Skin	FunTouch OS 4.0	-	Vibe UI
connectivity
Wi-Fi	Yes	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 a/b/g/n/ac	802.11 a/b/g/n/ac
GPS	Yes	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.10	Yes, v 4.00
Micro-USB	Yes	-	-
Headphones	3.5mm	3.5mm	3.5mm
Number of SIMs	2	2	2
Wi-Fi Direct	Yes	No	No
NFC	-	No	Yes
Infrared	-	No	No
USB OTG	-	Yes	Yes
FM	-	Yes	Yes
Mobile High-Definition Link (MHL)	-	No	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	Micro-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes
sensors
Compass/ Magnetometer	Yes	Yes	Yes
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	-	Yes	Yes
Gyroscope	-	Yes	Yes
Barometer	-	No	No
Temperature sensor	-	No	No
ratings
Overall NDTV Rating	-	Read Review	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-

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