Xiaomi Redmi 4X versus Vivo Y21

Compare specifications, price, availability, ratings and shopping interest.

Xiaomi Redmi 4X 32GB

Discontinued
KSh 17,300

Vivo Y21 4GB/64GB

Out Of Stock
KSh 17,800

Xiaomi Redmi 4X 32GB Vivo Y21 4GB/64GB
Price KSh 17,300 KSh 17,800
Sales 10 - For May 2025 15 - For May 2025
Average rating 4.1 - 9 votes 3.7 - 3 votes
Likes 1 - For May 2025 3 - For May 2025
Views 500 - For May 2025 1,004 - For May 2025
General
Available March
2017
 August
2021
Dimensions 139.2 x 70 x 8.7 mm
 164.3 x 76.1 x 8 mm
Weight 150 g
 182 g
Colors Gold
Black
 Midnight Blue
Diamond Glow
Network 2G, 3G, 4G 2G, 3G, 4G
Network features - 2G: B3, B5, B8; 3G: B1, B5, B8; 4G FDD LTE: B1, B3, B5, B8; 4G TDD LTE: B38, B40, B41
Key features 4G
Gorilla Glass
PDAF
Infrared port
 2.5D curved display
Ultra game mode
5000mAh battery power
18W fast charging
Dual SIM + dedicated microSD
Fingerprint + face unlock
Platform
Operating system Android 6.0.1 Marshmallow
 Android 11; Funtouch 11.1
GPU Adreno 505
 PowerVR GE8320
Processor 1.4 GHz
Octa-core
 2.35 GHz
Octa-core
Chipset Qualcomm Snapdragon 435
 Mediatek Helio P35
Graphics processor Adreno 505
 PowerVR GE8320
RAM 3GB
 4GB
Storage 32GB
 64GB
Card slot Up to 128GB
 Dedicated MicroSD
Battery 4100mAh
Li-Ion
 5000mAh
Li-Po
Battery features -
 18W Fast Charging
Platform features -
 Multi-Turbo 5.0 Performance Enhancement
Ultra Game Mode
Liquid Cooling
Display
Display size 5.0 inches
720 x 1280 pixels
 6.51 Inches
720 x 1600 Pixels
Display type IPS screen
16M colors
 IPS Screen
16M Colors
Pixel density 294 ppi
 270 ppi
Display features -
 20:9 Aspect Ratio
Blue Light Filter Mode
2.5D Curved Display
Camera
Camera resolution 13MP
 13MP F2.2 + 2MP F2.4
Camera features Face detection
Geo tagging
Autofocus
Panorama
Touch to focus
HDR
PDAF
LED flash
 Bokeh
4cm Macro
Portrait
Panorama
Live Photo
Professional Mode
HDR
LED Flash
Video recording 1080p 30fps
 Full HD 30fps
Time-Lapse
Slow-Mo
Front camera
Front camera resolution 5MP
 8MP F2.0
Front camera features -
 Face Beauty
Face Unlock
Video recording 1080p
 Full HD 30fps
Sensors & connectivity
Sensors Fingerprint
Accelerometer
Gyro
Proximity
Compass
 Fingerprint
Accelerometer
Ambient Light
Proximity
E-Compass
Gyroscope
Connectivity MicroUSB 2.0
Bluetooth 4.2
WiFi direct
WiFi hotspot
Infrared
GPS
GLONASS
BDS
 USB Type-C
Bluetooth 5.0
Wi-Fi Direct
Dual-band Wi-Fi
Wi-Fi Hotspot
GPS
BDS
GLONASS
GALILEO
USB OTG
Connectivity features -
 -