Vivo Y21 vs Xiaomi Redmi Note 15
Short Description
Vivo Y21
Screen size: 6.51" / Resolution: 720 x 1600 px / Main camera: 13 MP & 2 MP / Front camera: 8MP / RAM: 4GB / Battery power: 5000 mAh / Internal storage: 64GB, 128GB / SIM cards: 2 SIM
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
Key Differences
Vivo Y21
Xiaomi Redmi Note 15
How is Vivo Y21 better than Xiaomi Redmi Note 15?
Shorter: 164.3 mm (6.47 inches) vs 165 mm (6.5 inches)
Vivo Y21
Xiaomi Redmi Note 15
How is Xiaomi Redmi Note 15 better than Vivo Y21?
Bigger battery capacity: 5800 mAh vs 5000 mAh
Faster CPU speed: 4 x 2.4 GHz & 4 x 1.8 GHz vs 4 x 2.3 GHz & 4 x 1.8 GHz
More RAM memory capacity in max option: 6GB, 8GB, 12GB vs 4GB
AnTuTu score is about 449% higher
More internal storage in max option: 128GB, 256GB vs 64GB, 128GB
More megapixels main camera: 50 MP & 2 MP vs 13 MP & 2 MP
Has a larger display diagonal: 6.77" vs 6.51"
Better display resolution: 1080 x 2392 px vs 720 x 1600 px
Higher charging speed: 45W vs 18W
Lighter: 178 g (6.28 ounces) vs 182 g (6.42 ounces)
Narrower: 75.4 mm (2.97 inches) vs 76.1 mm (3 inches)
More color options: Black, White, Blue vs Diamond Glow, Midnight Blue
The phone is 4 years newer
Size Comparison
Vivo Y21
Xiaomi Redmi Note 15
Height
164.3 mm
(6.47 inches)
Width
76.1 mm
(3 inches)
Thickness
8 mm
(0.31 inches)
Screen size
6.51"
Weight
182 g
(6.42 ounces)
6.51"
6.77"
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
164.3 mm
(6.47 inches)
Width
76.1 mm
(3 inches)
Thickness
8 mm
(0.31 inches)
Screen size
6.51"
Weight
182 g
(6.42 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)
Expert Score
Score 4.0
Score 5.0
Vivo Y21
Xiaomi Redmi Note 15
Vivo Y21
Xiaomi Redmi Note 15
Score 4.0
Score 5.0
Smartprix
Vivo Y21
Xiaomi Redmi Note 15
Vote for Your option
Vivo Y21
Vote for Your option
Xiaomi Redmi Note 15
Benchmarks
AnTuTu Score
Vivo Y21
111,000
Xiaomi Redmi Note 15
608,985 +448.64%
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
Geekbench 6 · Multi-Core
Vivo Y21
745
Xiaomi Redmi Note 15
2,890 +287.92%
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Vivo Y21
165
Xiaomi Redmi Note 15
1,015 +515.15%
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Technical Specifications
Show differences
Show differences
Specs
Vivo Y21
Xiaomi Redmi Note 15
Design
Weight
182 g (6.42 ounces)
178 g (6.28 ounces)
Thickness
8 mm (0.31 inches)
7.4 mm (0.29 inches)
Width
76.1 mm (3 inches)
75.4 mm (2.97 inches)
Height
164.3 mm (6.47 inches)
165 mm (6.5 inches)
Ingress Protection (IP) rating
-
IP68
Waterproof depth rating
-
1.5 m
Volume
100.03 cm³
92.06 cm³
Color options
Diamond Glow, Midnight Blue
Black, White, Blue
Display
Screen size
6.51"
6.77"
Display type
IPS, LCD
OLED/AMOLED
Pixel density
270 ppi
388 ppi
Resolution
720 x 1600 px
1080 x 2392 px
Refresh rate
-
120Hz
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
64GB, 128GB
128GB, 256GB
RAM
4GB
6GB, 8GB, 12GB
Android version
Android 11
Android 15
CPU speed
4 x 2.3 GHz & 4 x 1.8 GHz
4 x 2.4 GHz & 4 x 1.8 GHz
GPU clock speed
650 MHz
800 MHz
Has integrated LTE
✔
✔
RAM speed
1600 MHz
-
Semiconductor size
12 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 10
-
Has integrated graphics
✔
-
OpenGL version
3.2
-
OpenGL ES version
3.2
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
14.9 GB/s
12 GB/s
OpenCL version
1.2
-
EMMC version
5.1
-
DDR memory version
4
-
Maximum memory amount
6GB
-
Thermal Design Power (TDP)
5W
-
Release date
2021
2025
Has NX bit
✔
-
Has an external memory slot
✔
✔
GPU turbo
680 MHz
-
Bits executed at a time
128
-
VFP version
4
-
Cameras
Main camera
13 MP & 2 MP
50 MP & 2 MP
Front camera
8MP
8MP
Video recording (main camera)
1080 x 30 fps
2160 x 30 fps
Wide aperture (main camera)
f/2.4 & f/2.2
-
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
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/2.0
-
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 Wi-Fi password sharing
✔
-
Has battery health check
-
✔
Has an extra dim mode
-
✔
Has focus modes
✔
-
Has dynamic theming
-
✔
Can offload apps
-
✔
Has customizable notifications
✔
✔
Supports split screen
✔
✔
Supports instant markup
✔
-
Supports PiP and PaP
✔
-
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
-
✔
Supports widgets
✔
-
More languages supported
125
-
Has offline voice recognition
✔
✔
The browser has word wrap
✔
-
Has voice commands
✔
✔
Has notification permissions
-
✔
Has media picker
-
✔
Has full-page screenshots
-
✔
Has PiP
-
✔
Battery
Battery power
5000 mAh
5800 mAh
Supports fast charging
✔
✔
Charging speed
18W
45W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Has stereo speakers
-
✔
Has LDAC
-
✔
Has a socket for a 3.5 mm audio jack
✔
-
Has a radio
✔
-
Features
Has 5G support
-
✔
Wi-Fi version
Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Download speed
300 MBits/s
2900 MBits/s
Upload speed
150 MBits/s
1600 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
5.1
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
Vivo Y21
Vote for Your option
Xiaomi Redmi Note 15
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