Samsung Galaxy A51 vs Vivo V21
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 V21
Screen size: 6.44" / Resolution: 1080 x 2400 px / Main camera: 64 MP & 8 MP & 2 MP / Front camera: 44MP / RAM: 8GB / Battery power: 4000 mAh / Internal storage: 128GB, 256GB / SIM cards: 2 SIM
Key Differences
Samsung Galaxy A51
Vivo V21
How is Samsung Galaxy A51 better than Vivo V21?
Has a larger display diagonal: 6.5" vs 6.44"
Lighter: 172 g (6.07 ounces) vs 176 g (6.21 ounces)
Narrower: 73.6 mm (2.9 inches) vs 73.9 mm (2.91 inches)
Shorter: 158.5 mm (6.24 inches) vs 159.7 mm (6.29 inches)
More color options: Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink vs Dusk Blue, Sunset Dazzle
Samsung Galaxy A51
Vivo V21
How is Vivo V21 better than Samsung Galaxy A51?
Faster CPU speed: 2 x 2.4 GHz & 6 x 2 GHz vs 4 x 2.3 GHz & 4 x 1.7 GHz
More megapixels main camera: 64 MP & 8 MP & 2 MP vs 48 MP & 12 MP & 5 MP & 5 MP
More megapixels front camera: 44MP vs 32MP
Higher charging speed: 33W vs 25W
The phone is 1 year and 4 months newer
Size Comparison
Samsung Galaxy A51
Vivo V21
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"
6.44"
Height
159.7 mm
(6.29 inches)
Width
73.9 mm
(2.91 inches)
Thickness
7.3 mm
(0.29 inches)
Screen size
6.44"
Weight
176 g
(6.21 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
159.7 mm
(6.29 inches)
Width
73.9 mm
(2.91 inches)
Thickness
7.3 mm
(0.29 inches)
Screen size
6.44"
Weight
176 g
(6.21 ounces)
3D comparison
Samsung Galaxy A51
Vivo V21
Samsung Galaxy A51
Vivo V21
Expert Score
Score 3.6
Score 4.5
Samsung Galaxy A51
Vivo V21
Samsung Galaxy A51
Vivo V21
Score 3.6
Score 4.5
Smartprix
Samsung Galaxy A51
Vivo V21
Vote for Your option
Samsung Galaxy A51
Vote for Your option
Vivo V21
Benchmarks
Geekbench 5 · Multi-Core
Samsung Galaxy A51
1,164
Vivo V21
1,697 +45.79%
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing in Geekbench 5.
Geekbench 5 · Single-Core
Samsung Galaxy A51
331
Vivo V21
551 +66.47%
Measures the performance of a single processor core in a device, evaluating its efficiency in handling single-threaded tasks in Geekbench 5.
Comparison videos
3,000+ views
Vivo V21 Vs Samsung Galaxy A51 Full conparison | Which is best to Buy | Antutu Scores 🔥
Technical Specifications
Show differences
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Specs
Samsung Galaxy A51
Vivo V21
Design
Weight
172 g (6.07 ounces)
176 g (6.21 ounces)
Thickness
7.9 mm (0.31 inches)
7.3 mm (0.29 inches)
Width
73.6 mm (2.9 inches)
73.9 mm (2.91 inches)
Height
158.5 mm (6.24 inches)
159.7 mm (6.29 inches)
Volume
92.16 cm³
86.15 cm³
Color options
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
Dusk Blue, Sunset Dazzle
Display
Screen size
6.5"
6.44"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
405 ppi
409 ppi
Resolution
1080 x 2400 px
1080 x 2400 px
Refresh rate
60Hz
90Hz
Brightness (typical)
-
500 nits
Has branded damage-resistant glass
✔
-
Gorilla Glass version
Gorilla Glass 3
-
Supports HDR10+
-
✔
Always-On Display
✔
-
Contrast ratio
20:1
-
Has a touch screen
✔
✔
Performance
Internal storage
64GB, 128GB, 256GB
128GB, 256GB
RAM
4GB, 6GB, 8GB
8GB
Android version
Android 10
Android 11
CPU speed
4 x 2.3 GHz & 4 x 1.7 GHz
2 x 2.4 GHz & 6 x 2 GHz
GPU clock speed
650 MHz
-
Has integrated LTE
✔
✔
RAM speed
2133 MHz
2133 MHz
Semiconductor size
10 nm
7 nm
Supports 64-bit
✔
✔
DirectX version
DirectX 12
DirectX 12
Has integrated graphics
✔
✔
OpenGL ES version
3.2
3.2
Uses big.LITTLE technology
✔
✔
CPU threads
8 threads
8 threads
Uses HMP
✔
✔
Has TrustZone
✔
✔
Maximum memory bandwidth
11.92 GB/s
17.1 GB/s
OpenCL version
2
2
EMMC version
5.1
-
DDR memory version
4
4
Maximum memory amount
8GB
12GB
GPU execution units
-
3
Thermal Design Power (TDP)
8W
10W
Shading units
-
48
Release date
2019
2021
Has NX bit
✔
-
L1 cache
64 KB
-
GPU turbo
850 MHz
850 MHz
Memory channels
4
2
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
64 MP & 8 MP & 2 MP
Front camera
32MP
44MP
Has built-in optical image stabilization
-
✔
Video recording (main camera)
2160 x 30 fps
2160 x 30 fps
Wide aperture (main camera)
f/2 & f/2.2 & f/2.4 & f/2.2
f/1.8 & f/2.2 & f/2.4
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
-
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/2.0
Has timelapse function
✔
✔
Pixel size (main camera)
0.8 µm & 1.12 µm & 1.12 µm & 1.12 µm
-
Operating system
Has theme customization
✔
✔
Has dark mode
✔
✔
Has Wi-Fi password sharing
-
✔
Has focus modes
✔
✔
Has customizable notifications
✔
✔
Supports split screen
✔
✔
Supports instant markup
✔
✔
Supports PiP and PaP
✔
✔
Has sharing intents
✔
✔
Has a child lock
✔
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Supports widgets
✔
✔
The browser has word wrap
✔
✔
Has voice commands
✔
✔
Has offline voice recognition
✔
✔
More languages supported
125
125
Battery
Battery power
4000 mAh
4000 mAh
Supports fast charging
✔
✔
Charging speed
25W
33W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
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 5 (802.11ac), Wi-Fi 4 (802.11n)
Download speed
600 MBits/s
42.2 MBits/s
Upload speed
150 MBits/s
5.76 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 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 V21
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