Samsung Galaxy A51 vs Vivo Y21d
Short Description
Samsung Galaxy A51
Screen size: 6.5" / Resolution: 1080 x 2400 px / Main camera: 48 MP & 12 MP & 5 MP & 5 MP / Front camera: 32MP / RAM: 4GB, 6GB, 8GB / Battery power: 4000 mAh / Internal storage: 64GB, 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
Samsung Galaxy A51
Vivo Y21d
How is Samsung Galaxy A51 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: 32MP vs 5MP
Better display resolution: 1080 x 2400 px vs 720 x 1608 px
Lighter: 172 g (6.07 ounces) vs 209 g (7.37 ounces)
Narrower: 73.6 mm (2.9 inches) vs 77 mm (3.03 inches)
Shorter: 158.5 mm (6.24 inches) vs 166.1 mm (6.54 inches)
More color options: Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink vs Lavender Purple, Black
Samsung Galaxy A51
Vivo Y21d
How is Vivo Y21d better than Samsung Galaxy A51?
Bigger battery capacity: 6500 mAh vs 4000 mAh
More megapixels main camera: 50 MP vs 48 MP & 12 MP & 5 MP & 5 MP
Has a larger display diagonal: 6.68" vs 6.5"
Higher charging speed: 44W vs 25W
The phone is 5 years and 9 months newer
Size Comparison
Samsung Galaxy A51
Vivo Y21d
Height
158.5 mm
(6.24 inches)
Width
73.6 mm
(2.9 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.5"
Weight
172 g
(6.07 ounces)
6.5"
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
158.5 mm
(6.24 inches)
Width
73.6 mm
(2.9 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.5"
Weight
172 g
(6.07 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
Samsung Galaxy A51
Vote for Your option
Vivo Y21d
Technical Specifications
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Specs
Samsung Galaxy A51
Vivo Y21d
Design
Weight
172 g (6.07 ounces)
209 g (7.37 ounces)
Thickness
7.9 mm (0.31 inches)
8.4 mm (0.33 inches)
Width
73.6 mm (2.9 inches)
77 mm (3.03 inches)
Height
158.5 mm (6.24 inches)
166.1 mm (6.54 inches)
Ingress Protection (IP) rating
-
IP68
Waterproof depth rating
-
6 m
Volume
92.16 cm³
107.43 cm³
Color options
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
Lavender Purple, Black
Water resistance
-
Waterproof
Display
Screen size
6.5"
6.68"
Display type
OLED/AMOLED
LCD, IPS
Pixel density
405 ppi
264 ppi
Resolution
1080 x 2400 px
720 x 1608 px
Refresh rate
60Hz
90Hz
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass 3
-
Always-On Display
✔
-
Contrast ratio
20:1
-
Has a touch screen
✔
✔
Performance
Internal storage
64GB, 128GB, 256GB
128GB, 256GB
RAM
4GB, 6GB, 8GB
4GB, 6GB, 8GB
Android version
Android 10
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
650 MHz
-
Has integrated LTE
✔
✔
RAM speed
2133 MHz
-
Semiconductor size
10 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 12
-
Has integrated graphics
✔
-
OpenGL ES version
3.2
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
11.92 GB/s
12.8 GB/s
OpenCL version
2
-
EMMC version
5.1
-
DDR memory version
4
-
Maximum memory amount
8GB
-
Thermal Design Power (TDP)
8W
-
Release date
2019
2026
Has NX bit
✔
-
L1 cache
64 KB
-
GPU turbo
850 MHz
614.4 MHz
Memory channels
4
-
Has an external memory slot
✔
✔
Maximum amount of external memory supported
1000GB
-
Bits executed at a time
128
-
Number of transistors
3000 million
-
VFP version
4
-
Cameras
Main camera
48 MP & 12 MP & 5 MP & 5 MP
50 MP
Front camera
32MP
5MP
Video recording (main camera)
2160 x 30 fps
1080 x 30 fps
Wide aperture (main camera)
f/2 & f/2.2 & f/2.4 & f/2.2
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
✔
✔
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
✔
✔
Has manual shutter speed
✔
-
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.2
f/2.2
Has timelapse function
✔
✔
Pixel size (main camera)
0.8 µm & 1.12 µm & 1.12 µm & 1.12 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 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
4000 mAh
6500 mAh
Supports fast charging
✔
✔
Charging speed
25W
44W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Comes with a charger
-
✔
Audio
Has stereo speakers
-
✔
Number of microphones
2
-
Has a socket for a 3.5 mm audio jack
✔
-
Has a radio
✔
-
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
600 MBits/s
300 MBits/s
Upload speed
150 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
5.2
Has a gyroscope
✔
-
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Supports Galileo
✔
✔
Has an accelerometer
✔
✔
Body sar (eu)
1.59W/kg
-
Supports ant+
✔
-
Head SAR (eu)
0.36W/kg
-
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Samsung Galaxy A51
Vote for Your option
Vivo Y21d
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