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Vivo Y21d
Xiaomi 17 Ultra
Vivo Y21d
How is Xiaomi 17 Ultra better than Vivo Y21d?
Bigger battery capacity: 6800 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: 512GB, 1TB vs 128GB, 256GB
More megapixels main camera: 200 MP & 50 MP & 50 MP vs 50 MP
More megapixels front camera: 50MP 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: 90W vs 44W
Shorter: 162.9 mm (6.41 inches) vs 166.1 mm (6.54 inches)
More color options: Black, White, Starry Green, Purple vs Lavender Purple, Black
The phone is 2 months newer
Xiaomi 17 Ultra
Vivo Y21d
How is Vivo Y21d better than Xiaomi 17 Ultra?
Lighter: 209 g (7.37 ounces) vs 230 g (8.11 ounces)
Narrower: 77 mm (3.03 inches) vs 77.6 mm (3.06 inches)
Xiaomi 17 Ultra
Vivo Y21d
Height
162.9 mm
(6.41 inches)
Width
77.6 mm
(3.06 inches)
Thickness
8.5 mm
(0.33 inches)
Screen size
6.9"
Weight
230 g
(8.11 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)
Height
162.9 mm
(6.41 inches)
Width
77.6 mm
(3.06 inches)
Thickness
8.5 mm
(0.33 inches)
Screen size
6.9"
Weight
230 g
(8.11 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)
Xiaomi 17 Ultra
Vivo Y21d
Show differences
Show differences
Specs
Xiaomi 17 Ultra
Vivo Y21d
Design
Weight
230 g (8.11 ounces)
209 g (7.37 ounces)
Thickness
8.5 mm (0.33 inches)
8.4 mm (0.33 inches)
Width
77.6 mm (3.06 inches)
77 mm (3.03 inches)
Height
162.9 mm (6.41 inches)
166.1 mm (6.54 inches)
Ingress Protection (IP) rating
IP69
IP68
Waterproof depth rating
6 m
6 m
Volume
107.45 cm³
107.43 cm³
Color options
Black, White, Starry Green, Purple
Lavender Purple, Black
Water resistance
None
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
300Hz
-
Brightness (typical)
1200 nits
-
Has branded damage-resistant glass
✔
✔
Supports HDR10
✔
-
Supports HDR10+
✔
-
Always-On Display
✔
-
Supports Dolby Vision
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
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
Has an external memory slot
-
✔
GPU turbo
-
614.4 MHz
Release date
2025
2026
Cameras
Main camera
200 MP & 50 MP & 50 MP
50 MP
Front camera
50MP
5MP
Video recording (main camera)
4320 x 60 fps
1080 x 30 fps
Wide aperture (main camera)
f/2.4 & f/2.2 & f/1.7
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
4.3x
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
✔
✔
Has manual shutter speed
✔
-
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
-
f/2.2
Has timelapse function
✔
✔
Minimum focal length
14 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
6800 mAh
6500 mAh
Has wireless charging
✔
-
Supports fast charging
✔
✔
Charging speed
90W
44W
Wireless charging speed
50W
-
Has reverse wireless charging
✔
-
Reverse wireless charging speed
10W
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Comes with a charger
-
✔
Audio
Has stereo speakers
✔
✔
Has aptX HD
✔
-
Has aptX
✔
-
Has aptX Adaptive
✔
-
Features
Has 5G support
✔
-
Wi-Fi version
Wi-Fi 4 (802.11n), Wi-Fi 6E (802.11ax), 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
✔
✔
Has emergency SOS via satellite
✔
-
Bluetooth version
5.4
5.2
Has a gyroscope
✔
-
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
✔
-
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.
Xiaomi 17 Ultra
Vivo Y21d