Oppo Find X8 Ultra vs Vivo Y21d
Short Description
Oppo Find X8 Ultra
Screen size: 6.82" / Resolution: 1440 x 3168 px / Main camera: 50 MP & 50 MP & 50 MP & 50 MP / Front camera: 32MP / RAM: 16GB / Battery power: 6100 mAh / Has 5G support: ✔ / Internal storage: 1000GB / 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
Oppo Find X8 Ultra
Vivo Y21d
How is Oppo Find X8 Ultra better than Vivo Y21d?
Faster CPU speed: 2 x 4.32 GHz & 6 x 3.53 GHz vs 2 x 1.8 GHz & 6 x 1.8 GHz
More RAM memory capacity in max option: 16GB vs 4GB, 6GB, 8GB
More internal storage in max option: 1000GB vs 128GB, 256GB
More megapixels front camera: 32MP vs 5MP
Has a larger display diagonal: 6.82" vs 6.68"
Better display resolution: 1440 x 3168 px vs 720 x 1608 px
Higher charging speed: 100W vs 44W
Narrower: 76.8 mm (3.02 inches) vs 77 mm (3.03 inches)
Shorter: 163.1 mm (6.42 inches) vs 166.1 mm (6.54 inches)
More color options: Matte Black, Pure White, Shell Pink vs Lavender Purple, Black
Oppo Find X8 Ultra
Vivo Y21d
How is Vivo Y21d better than Oppo Find X8 Ultra?
Bigger battery capacity: 6500 mAh vs 6100 mAh
Lighter: 209 g (7.37 ounces) vs 226 g (7.97 ounces)
The phone is 5 months newer
Size Comparison
Oppo Find X8 Ultra
Vivo Y21d
Height
163.1 mm
(6.42 inches)
Width
76.8 mm
(3.02 inches)
Thickness
8.8 mm
(0.35 inches)
Screen size
6.82"
Weight
226 g
(7.97 ounces)
6.82"
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
163.1 mm
(6.42 inches)
Width
76.8 mm
(3.02 inches)
Thickness
8.8 mm
(0.35 inches)
Screen size
6.82"
Weight
226 g
(7.97 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
Oppo Find X8 Ultra
Vote for Your option
Vivo Y21d
Technical Specifications
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Specs
Oppo Find X8 Ultra
Vivo Y21d
Design
Weight
226 g (7.97 ounces)
209 g (7.37 ounces)
Thickness
8.8 mm (0.35 inches)
8.4 mm (0.33 inches)
Width
76.8 mm (3.02 inches)
77 mm (3.03 inches)
Height
163.1 mm (6.42 inches)
166.1 mm (6.54 inches)
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
6 m
Volume
110.23 cm³
107.43 cm³
Is dustproof and water-resistant
Waterproof
-
Color options
Matte Black, Pure White, Shell Pink
Lavender Purple, Black
Water resistance
-
Waterproof
Display
Screen size
6.82"
6.68"
Display type
OLED/AMOLED
LCD, IPS
Pixel density
510 ppi
264 ppi
Resolution
1440 x 3168 px
720 x 1608 px
Refresh rate
120Hz
90Hz
Brightness (typical)
1600 nits
-
Has branded damage-resistant glass
✔
✔
Supports HDR10
✔
-
Supports HDR10+
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
1000GB
128GB, 256GB
RAM
16GB
4GB, 6GB, 8GB
Android version
Android 15
Android 15
CPU speed
2 x 4.32 GHz & 6 x 3.53 GHz
2 x 1.8 GHz & 6 x 1.8 GHz
GPU clock speed
1100 MHz
-
Has integrated LTE
✔
✔
RAM speed
5300 MHz
-
Supports 64-bit
✔
-
DirectX version
DirectX 12
-
Has integrated graphics
✔
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
85.1 GB/s
12.8 GB/s
OpenCL version
3
-
L2 cache
12 MB
-
DDR memory version
5
-
Maximum memory amount
24GB
-
Uses multithreading
✔
-
Shading units
1536
-
Release date
2025
2026
Memory channels
2
-
GPU turbo
-
614.4 MHz
Supports ecc memory
✔
-
Has an external memory slot
-
✔
Cameras
Main camera
50 MP & 50 MP & 50 MP & 50 MP
50 MP
Front camera
32MP
5MP
Has built-in optical image stabilization
✔
-
Video recording (main camera)
2160 x 60 fps
1080 x 30 fps
Wide aperture (main camera)
f/1.8 & f/1.8 & f/3.1 & f/2
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
6x
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/2.4
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 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
✔
✔
Has scrolling screenshots
✔
-
Supports split screen
✔
✔
Supports instant markup
✔
-
Supports PiP and PaP
✔
-
More languages supported
125
-
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
✔
✔
The browser has word wrap
✔
-
Has voice commands
✔
✔
Has media picker
-
✔
Has full-page screenshots
-
✔
Has PiP
-
✔
Has notification permissions
-
✔
Battery
Battery power
6100 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
10W
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Comes with a charger
-
✔
Audio
Has stereo speakers
✔
✔
Has aptX HD
✔
-
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
Oppo Find X8 Ultra
Vote for Your option
Vivo Y21d
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