Samsung Galaxy S8
Vivo Y21d
Samsung Galaxy S8
Vivo Y21d
How is Samsung Galaxy S8 better than Vivo Y21d?
Faster CPU speed: 4 x 2.3 GHz & 4 x 1.7 GHz vs 2 x 1.8 GHz & 6 x 1.8 GHz
More megapixels front camera: 8MP vs 5MP
Better display resolution: 1440 x 2960 px vs 720 x 1608 px
Lighter: 155 g (5.47 ounces) vs 209 g (7.37 ounces)
Narrower: 68.1 mm (2.68 inches) vs 77 mm (3.03 inches)
Shorter: 148.9 mm (5.86 inches) vs 166.1 mm (6.54 inches)
More color options: Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold, Rose Pink, Burgundy Red vs Lavender Purple, Black
Samsung Galaxy S8
Vivo Y21d
How is Vivo Y21d better than Samsung Galaxy S8?
Bigger battery capacity: 6500 mAh vs 3000 mAh
More RAM memory capacity in max option: 4GB, 6GB, 8GB vs 4GB
More internal storage in max option: 128GB, 256GB vs 64GB
More megapixels main camera: 50 MP vs 12 MP
Has a larger display diagonal: 6.68" vs 5.8"
Higher charging speed: 44W vs 15W
The phone is 8 years and 5 months newer
Samsung Galaxy S8
Vivo Y21d
Height
148.9 mm
(5.86 inches)
Width
68.1 mm
(2.68 inches)
Thickness
8 mm
(0.31 inches)
Screen size
5.8"
Weight
155 g
(5.47 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
148.9 mm
(5.86 inches)
Width
68.1 mm
(2.68 inches)
Thickness
8 mm
(0.31 inches)
Screen size
5.8"
Weight
155 g
(5.47 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)
Samsung Galaxy S8
Vivo Y21d
Show differences
Show differences
Specs
Samsung Galaxy S8
Vivo Y21d
Design
Weight
155 g (5.47 ounces)
209 g (7.37 ounces)
Thickness
8 mm (0.31 inches)
8.4 mm (0.33 inches)
Width
68.1 mm (2.68 inches)
77 mm (3.03 inches)
Height
148.9 mm (5.86 inches)
166.1 mm (6.54 inches)
Is weather-sealed (splashproof)
✔
-
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
6 m
Volume
81.12 cm³
107.43 cm³
Is dustproof and water-resistant
✔
-
Color options
Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold, Rose Pink, Burgundy Red
Lavender Purple, Black
Water resistance
-
Waterproof
Display
Screen size
5.8"
6.68"
Display type
OLED/AMOLED
LCD, IPS
Pixel density
568 ppi
264 ppi
Resolution
1440 x 2960 px
720 x 1608 px
Refresh rate
60Hz
90Hz
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass 5
-
Always-On Display
✔
-
Has a curved display
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
64GB
128GB, 256GB
RAM
4GB
4GB, 6GB, 8GB
Android version
Android 9 Pie
Android 15
CPU speed
4 x 2.3 GHz & 4 x 1.7 GHz
2 x 1.8 GHz & 6 x 1.8 GHz
GPU clock speed
546 MHz
-
Has integrated LTE
✔
✔
RAM speed
1866 MHz
-
Semiconductor size
10 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 11
-
Has integrated graphics
✔
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
29.8 GB/s
12.8 GB/s
EMMC version
5.1
-
Maximum memory amount
4GB
-
Bits executed at a time
128
-
VFP version
4
-
Release date
2017
2026
Has NX bit
✔
-
Has an external memory slot
✔
✔
GPU turbo
900 MHz
614.4 MHz
Maximum amount of external memory supported
256GB
-
Cameras
Main camera
12 MP
50 MP
Front camera
8MP
5MP
Has built-in optical image stabilization
✔
-
Video recording (main camera)
2160 x 30 fps
1080 x 30 fps
Wide aperture (main camera)
f/1.7
f/1.8
Has a BSI sensor
✔
-
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
✔
✔
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
✔
✔
Shoots raw
✔
-
Has touch autofocus
✔
✔
Has manual shutter speed
✔
-
Can create panoramas in-camera
-
✔
Wide aperture (front camera)
f/1.7
f/2.2
Has timelapse function
✔
✔
Sensor size
5.76 x 4.29 mm
-
Pixel size (main camera)
1.4 µm
-
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
-
✔
Can be used as a PC
✔
-
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
3000 mAh
6500 mAh
Has wireless charging
✔
-
Supports fast charging
✔
✔
Charging speed
15W
44W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Battery life
22 hours
-
Comes with a charger
-
✔
Audio
Has stereo speakers
-
✔
Has aptX
✔
-
Number of microphones
2
-
Has a socket for a 3.5 mm audio jack
✔
-
Features
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
1000 MBits/s
300 MBits/s
Upload speed
150 MBits/s
100 MBits/s
Has USB Type-C
✔
✔
USB version
3.1
2
Has NFC
✔
-
SIM cards
1 SIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5
5.2
Has a gyroscope
✔
-
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
✔
-
Supports Galileo
✔
✔
Has a heart rate monitor
✔
-
Has an accelerometer
✔
✔
Supports ant+
✔
-
Has an iris scanner
✔
-
Is DLNA-certified
✔
-
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Samsung Galaxy S8
Vivo Y21d