Xiaomi Redmi Note 15 vs Vivo Y21d
Short Description
Xiaomi Redmi Note 15
Screen size: 6.77" / Resolution: 1080 x 2392 px / Main camera: 50 MP & 2 MP / Front camera: 8MP / RAM: 6GB, 8GB, 12GB / Battery power: 5800 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB / 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 Note 15
Vivo Y21d
How is Xiaomi Redmi Note 15 better than Vivo Y21d?
Faster CPU speed: 4 x 2.4 GHz & 4 x 1.8 GHz vs 2 x 1.8 GHz & 6 x 1.8 GHz
More RAM memory capacity in max option: 6GB, 8GB, 12GB vs 4GB, 6GB, 8GB
More megapixels front camera: 8MP vs 5MP
Has a larger display diagonal: 6.77" vs 6.68"
Better display resolution: 1080 x 2392 px vs 720 x 1608 px
Higher charging speed: 45W vs 44W
Lighter: 178 g (6.28 ounces) vs 209 g (7.37 ounces)
Narrower: 75.4 mm (2.97 inches) vs 77 mm (3.03 inches)
Shorter: 165 mm (6.5 inches) vs 166.1 mm (6.54 inches)
More color options: Black, White, Blue vs Lavender Purple, Black
Xiaomi Redmi Note 15
Vivo Y21d
How is Vivo Y21d better than Xiaomi Redmi Note 15?
Bigger battery capacity: 6500 mAh vs 5800 mAh
The phone is 1 month newer
Size Comparison
Xiaomi Redmi Note 15
Vivo Y21d
Height
165 mm
(6.5 inches)
Width
75.4 mm
(2.97 inches)
Thickness
7.4 mm
(0.29 inches)
Screen size
6.77"
Weight
178 g
(6.28 ounces)
6.77"
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
165 mm
(6.5 inches)
Width
75.4 mm
(2.97 inches)
Thickness
7.4 mm
(0.29 inches)
Screen size
6.77"
Weight
178 g
(6.28 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 Note 15
Vote for Your option
Vivo Y21d
Technical Specifications
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Specs
Xiaomi Redmi Note 15
Vivo Y21d
Design
Weight
178 g (6.28 ounces)
209 g (7.37 ounces)
Thickness
7.4 mm (0.29 inches)
8.4 mm (0.33 inches)
Width
75.4 mm (2.97 inches)
77 mm (3.03 inches)
Height
165 mm (6.5 inches)
166.1 mm (6.54 inches)
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
6 m
Volume
92.06 cm³
107.43 cm³
Color options
Black, White, Blue
Lavender Purple, Black
Water resistance
-
Waterproof
Display
Screen size
6.77"
6.68"
Display type
OLED/AMOLED
LCD, IPS
Pixel density
388 ppi
264 ppi
Resolution
1080 x 2392 px
720 x 1608 px
Refresh rate
120Hz
90Hz
Touch sampling rate
240Hz
-
Has branded damage-resistant glass
✔
✔
Always-On Display
✔
-
Contrast ratio
8000000:1
-
Has a curved display
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB
128GB, 256GB
RAM
6GB, 8GB, 12GB
4GB, 6GB, 8GB
Android version
Android 15
Android 15
CPU speed
4 x 2.4 GHz & 4 x 1.8 GHz
2 x 1.8 GHz & 6 x 1.8 GHz
GPU clock speed
800 MHz
-
Has integrated LTE
✔
✔
Maximum memory bandwidth
12 GB/s
12.8 GB/s
Has an external memory slot
✔
✔
GPU turbo
-
614.4 MHz
Release date
2025
2026
Cameras
Main camera
50 MP & 2 MP
50 MP
Front camera
8MP
5MP
Video recording (main camera)
2160 x 30 fps
1080 x 30 fps
Wide aperture (main camera)
-
f/1.8
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
0x
0x
Number of flash LEDs
1
1
Has a CMOS sensor
✔
✔
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
✔
Has a front camera
✔
✔
Has manual white balance
✔
✔
Has touch autofocus
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
-
f/2.2
Has timelapse function
✔
✔
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
5800 mAh
6500 mAh
Supports fast charging
✔
✔
Charging speed
45W
44W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Comes with a charger
-
✔
Audio
Has stereo speakers
✔
✔
Has LDAC
✔
-
Features
Has 5G support
✔
-
Wi-Fi version
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Download speed
2900 MBits/s
300 MBits/s
Upload speed
1600 MBits/s
100 MBits/s
Has USB Type-C
✔
✔
USB version
2
2
Has NFC
✔
-
SIM cards
2 SIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.1
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 Note 15
Vote for Your option
Vivo Y21d
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