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Redmi A4 5G vs Vivo Y91i
Redmi A4 5G
vs
Vivo Y91i
comparison
Show Only Differences
Highlight Differences
Redmi A4 5G
Vivo Y91i
key specs
Display
6.88-inch
6.22-inch
Processor
Qualcomm Snapdragon 4s Gen 2
MediaTek Helio P22
Front Camera
5-megapixel
5-megapixel
Rear Camera
50-megapixel + Unspecified
13-megapixel
RAM
4GB
2GB
Storage
64GB
16GB
Battery Capacity
5160mAh
4030mAh
OS
Android 14
Android 8.1
Resolution
720x1640 pixels
720x1520 pixels
general
Brand
Redmi
Vivo
Model
A4 5G
Y91i
Release date
November 20, 2024
March 1, 2019
Launched in India
Yes
Yes
Dimensions (mm)
171.88 x 77.80 x 8.22
155.11 x 75.09 x 8.28
Weight (g)
212.35
163.50
IP rating
IP52
-
Battery capacity (mAh)
5160
4030
Removable battery
No
-
Wireless charging
No
-
Colours
Sparkling Purple, Starry Bllack
Fusion Black, Ocean Blue
Form factor
-
Touchscreen
display
Refresh Rate
120 Hz
-
Resolution Standard
HD+
-
Screen size (inches)
6.88
6.22
Touchscreen
Yes
Yes
Resolution
720x1640 pixels
720x1520 pixels
Aspect ratio
-
19:9
hardware
Processor
octa-core
octa-core
Processor make
Qualcomm Snapdragon 4s Gen 2
MediaTek Helio P22 (MT6762)
RAM
4GB
2GB
Internal storage
64GB
16GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
1-24
-
Dedicated microSD slot
Yes
-
camera
Rear camera
50-megapixel (f/1.8) + Unspecified
13-megapixel (f/2.2)
No. of Rear Cameras
2
-
Front camera
5-megapixel (f/2.2)
5-megapixel (f/1.8)
No. of Front Cameras
1
-
Rear autofocus
-
Yes
Rear flash
-
Yes
software
Operating system
Android 14
Android 8.1
Skin
HyperOS
Funtouch OS 4.5
connectivity
Wi-Fi
Yes
Yes
Wi-Fi standards supported
802.11 a/b/g/n/ac
-
GPS
Yes
Yes
Bluetooth
Yes, v 5.00
Yes, v 5.00
USB Type-C
Yes
-
Number of SIMs
2
2
Active 4G on both SIM cards
Yes
-
USB OTG
-
Yes
Micro-USB
-
Yes
Headphones
-
3.5mm
FM
-
Yes
sim 1
SIM Type
Nano-SIM
Nano-SIM
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
Yes
5G
Yes
-
sim 2
SIM Type
Nano-SIM
Nano-SIM
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
Yes
5G
Yes
-
sensors
Face unlock
-
Yes
Fingerprint sensor
-
No
Compass/ Magnetometer
-
Yes
Proximity sensor
-
Yes
Accelerometer
-
Yes
Ambient light sensor
-
Yes
Gyroscope
-
Yes
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Realme
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