Vivo Y400 5G vs Redmi K40 comparison

Show Only Differences Highlight Differences	Vivo Y400 5G	Redmi K40
key specs
Display	6.67-inch	6.67-inch
Processor	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 870
Front Camera	32-megapixel	20-megapixel
Rear Camera	50-megapixel + 2-megapixel	48-megapixel + 8-megapixel + 5-megapixel
RAM	8GB	6GB, 8GB, 12GB
Storage	128GB, 256GB	128GB, 256GB
Battery Capacity	6000mAh	4520mAh
OS	Android 15	Android 11
Resolution	1080x2400 pixels	1080x2400 pixels
general
Brand	Vivo	Xiaomi
Model	Y400 5G	Redmi K40
Release date	August 4, 2025	February 25, 2021
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	162.29 x 75.31 x 7.90	163.70 x 76.40 x 7.80
Weight (g)	197.00	196.00
IP rating	IP69	-
Battery capacity (mAh)	6000	4520
Removable battery	No	-
Fast charging	90W Fast Charging	Proprietary
Wireless charging	No	-
Colours	Glam White, Olive Green	Dreamland, Glossy Black, Icy White
display
Refresh Rate	120 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.67	6.67
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	1080x2400 pixels
Pixels per inch (PPI)	394	-
Aspect ratio	-	20:9
hardware
Processor	octa-core	octa-core
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 870
RAM	8GB	6GB, 8GB, 12GB
Internal storage	128GB, 256GB	128GB, 256GB
camera
Rear camera	50-megapixel + 2-megapixel	48-megapixel (f/1.79) + 8-megapixel + 5-megapixel
No. of Rear Cameras	2	3
Rear flash	Yes	Yes
Front camera	32-megapixel	20-megapixel
No. of Front Cameras	1	1
Rear autofocus	-	Yes
software
Operating system	Android 15	Android 11
Skin	FuntouchOS 15	MIUI 12
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.10
NFC	No	Yes
USB OTG	Yes	-
USB Type-C	Yes	Yes
Headphones	Type-C	-
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
Wi-Fi standards supported	-	802.11 a/b/g/n/ac/ax
Infrared	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sensors
In-Display Fingerprint Sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes

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