Xiaomi Redmi K90 Pro Max vs Vivo Y21d
Short Description
Xiaomi Redmi K90 Pro Max
Screen size: 6.9" / Resolution: 1200 x 2608 px / Main camera: 50 MP & 50 MP & 50 MP / Front camera: 32MP / RAM: 12GB, 16GB / Battery power: 7560 mAh / Has 5G support: ✔ / Internal storage: 256GB, 512GB, 1TB / SIM cards: 2 SIM
Vivo Y21d
Screen size: 6.68" / Resolution: 720 x 1608 px / Main camera: 50 MP / Front camera: 5MP / RAM: 4GB, 6GB, 8GB / Battery power: 6500 mAh / Internal storage: 128GB, 256GB / SIM cards: 2 SIM
Key Differences
Xiaomi Redmi K90 Pro Max
Vivo Y21d
How is Xiaomi Redmi K90 Pro Max better than Vivo Y21d?
Bigger battery capacity: 7560 mAh vs 6500 mAh
Faster CPU speed: 2 x 4.6 GHz & 6 x 3.62 GHz vs 2 x 1.8 GHz & 6 x 1.8 GHz
More RAM memory capacity in max option: 12GB, 16GB vs 4GB, 6GB, 8GB
More internal storage in max option: 256GB, 512GB, 1TB vs 128GB, 256GB
More megapixels front camera: 32MP vs 5MP
Has a larger display diagonal: 6.9" vs 6.68"
Better display resolution: 1200 x 2608 px vs 720 x 1608 px
Higher charging speed: 100W vs 44W
Shorter: 163.3 mm (6.43 inches) vs 166.1 mm (6.54 inches)
More color options: Black, White, Denim Blue, Lamborgini White vs Lavender Purple, Black
Xiaomi Redmi K90 Pro Max
Vivo Y21d
How is Vivo Y21d better than Xiaomi Redmi K90 Pro Max?
Lighter: 209 g (7.37 ounces) vs 218 g (7.69 ounces)
Narrower: 77 mm (3.03 inches) vs 77.8 mm (3.06 inches)
Size Comparison
Xiaomi Redmi K90 Pro Max
Vivo Y21d
Height
163.3 mm
(6.43 inches)
Width
77.8 mm
(3.06 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.9"
Weight
218 g
(7.69 ounces)
6.9"
6.68"
Height
166.1 mm
(6.54 inches)
Width
77 mm
(3.03 inches)
Thickness
8.4 mm
(0.33 inches)
Screen size
6.68"
Weight
209 g
(7.37 ounces)
Height
163.3 mm
(6.43 inches)
Width
77.8 mm
(3.06 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.9"
Weight
218 g
(7.69 ounces)
Height
166.1 mm
(6.54 inches)
Width
77 mm
(3.03 inches)
Thickness
8.4 mm
(0.33 inches)
Screen size
6.68"
Weight
209 g
(7.37 ounces)
Vote for Your option
Xiaomi Redmi K90 Pro Max
Vote for Your option
Vivo Y21d
Technical Specifications
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Specs
Xiaomi Redmi K90 Pro Max
Vivo Y21d
Design
Weight
218 g (7.69 ounces)
209 g (7.37 ounces)
Thickness
7.9 mm (0.31 inches)
8.4 mm (0.33 inches)
Width
77.8 mm (3.06 inches)
77 mm (3.03 inches)
Height
163.3 mm (6.43 inches)
166.1 mm (6.54 inches)
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
6 m
Volume
100.37 cm³
107.43 cm³
Color options
Black, White, Denim Blue, Lamborgini White
Lavender Purple, Black
Water resistance
Waterproof
Waterproof
Display
Screen size
6.9"
6.68"
Display type
OLED/AMOLED
LCD, IPS
Pixel density
416 ppi
264 ppi
Resolution
1200 x 2608 px
720 x 1608 px
Refresh rate
120Hz
90Hz
Touch sampling rate
480Hz
-
Has branded damage-resistant glass
✔
✔
Supports HDR10
✔
-
Supports HDR10+
✔
-
Always-On Display
✔
-
Supports Dolby Vision
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
256GB, 512GB, 1TB
128GB, 256GB
RAM
12GB, 16GB
4GB, 6GB, 8GB
Android version
Android 16
Android 15
CPU speed
2 x 4.6 GHz & 6 x 3.62 GHz
2 x 1.8 GHz & 6 x 1.8 GHz
GPU clock speed
1200 MHz
-
Has integrated LTE
✔
✔
Maximum memory bandwidth
85.1 GB/s
12.8 GB/s
Shading units
1536
-
Has an external memory slot
-
✔
GPU turbo
-
614.4 MHz
Release date
2025
2026
Cameras
Main camera
50 MP & 50 MP & 50 MP
50 MP
Front camera
32MP
5MP
Has built-in optical image stabilization
✔
-
Video recording (main camera)
4320 x 30 fps
1080 x 30 fps
Wide aperture (main camera)
f/1.7 & f/2.4 & f/3
f/1.8
Has a dual-tone LED flash
✔
-
Has continuous autofocus when recording movies
✔
✔
Has phase-detection autofocus for photos
✔
✔
Supports slow-motion video recording
✔
✔
Has a built-in HDR mode
✔
-
Has a flash
✔
✔
Has manual exposure
✔
✔
Has a dual-lens (or multi-lens) main camera
✔
-
Optical zoom
5x
0x
Number of flash LEDs
2
1
Has a CMOS sensor
-
✔
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
✔
Has a front camera
✔
✔
Has laser autofocus
✔
-
Has manual white balance
✔
✔
Shoots raw
✔
-
Has touch autofocus
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.2
f/2.2
Has timelapse function
✔
✔
Minimum focal length
18 mm
-
Maximum focal length
115 mm
-
Operating system
Has clipboard warnings
✔
✔
Has location privacy options
✔
✔
Has camera/microphone privacy options
✔
✔
Has theme customization
✔
✔
Can play games while they download
✔
✔
Has dark mode
✔
✔
Has battery health check
✔
✔
Has an extra dim mode
✔
✔
Has dynamic theming
✔
✔
Can offload apps
✔
✔
Has customizable notifications
✔
✔
Supports split screen
✔
✔
Has sharing intents
✔
✔
Has a child lock
✔
✔
Supports widgets
✔
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Can block app tracking
✔
✔
Has on-device machine learning
✔
✔
Has Live Text
✔
✔
Has offline voice recognition
✔
✔
Has voice commands
✔
✔
Has notification permissions
✔
✔
Has media picker
✔
✔
Has full-page screenshots
✔
✔
Has PiP
✔
✔
Battery
Battery power
7560 mAh
6500 mAh
Has wireless charging
✔
-
Supports fast charging
✔
✔
Charging speed
100W
44W
Wireless charging speed
50W
-
Has reverse wireless charging
✔
-
Reverse wireless charging speed
22.5W
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Comes with a charger
-
✔
Audio
Has stereo speakers
✔
✔
Features
Has 5G support
✔
-
Wi-Fi version
Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 7 (802.11be)
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Download speed
10000 MBits/s
300 MBits/s
Upload speed
3500 MBits/s
100 MBits/s
Has USB Type-C
✔
✔
USB version
3.2
2
Has NFC
✔
-
SIM cards
2 SIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.4
5.2
Has a gyroscope
✔
-
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Supports Galileo
✔
✔
Has an infrared sensor
✔
-
Has an accelerometer
✔
✔
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Xiaomi Redmi K90 Pro Max
Vote for Your option
Vivo Y21d
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