Oppo A57 vs Vivo V21
Short Description
Oppo A57
Screen size: 5.2" / Resolution: 1280 x 720 px / Main camera: 13 MP / Front camera: 16MP / RAM: 6GB, 8GB / Battery power: 2900 mAh / Internal storage: 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
Oppo A57
Vivo V21
How is Oppo A57 better than Vivo V21?
Lighter: 147 g (5.19 ounces) vs 176 g (6.21 ounces)
Narrower: 72.9 mm (2.87 inches) vs 73.9 mm (2.91 inches)
Shorter: 149.1 mm (5.87 inches) vs 159.7 mm (6.29 inches)
More color options: Black, Blue, Lilac vs Dusk Blue, Sunset Dazzle
The phone is 11 months newer
Oppo A57
Vivo V21
How is Vivo V21 better than Oppo A57?
Bigger battery capacity: 4000 mAh vs 2900 mAh
Faster CPU speed: 2 x 2.4 GHz & 6 x 2 GHz vs 8 x 1.4 GHz
More megapixels main camera: 64 MP & 8 MP & 2 MP vs 13 MP
More megapixels front camera: 44MP vs 16MP
Has a larger display diagonal: 6.44" vs 5.2"
Better display resolution: 1080 x 2400 px vs 1280 x 720 px
Higher charging speed: 33W vs 10W
Size Comparison
Oppo A57
Vivo V21
Height
149.1 mm
(5.87 inches)
Width
72.9 mm
(2.87 inches)
Thickness
7.6 mm
(0.3 inches)
Screen size
5.2"
Weight
147 g
(5.19 ounces)
5.2"
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
149.1 mm
(5.87 inches)
Width
72.9 mm
(2.87 inches)
Thickness
7.6 mm
(0.3 inches)
Screen size
5.2"
Weight
147 g
(5.19 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
Oppo A57
Vivo V21
Oppo A57
Vivo V21
Expert Score
Score 4.0
Score 4.5
Oppo A57
Vivo V21
Oppo A57
Vivo V21
Score 4.0
Score 4.5
Smartprix
Oppo A57
Vivo V21
Vote for Your option
Oppo A57
Vote for Your option
Vivo V21
Technical Specifications
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Specs
Oppo A57
Vivo V21
Design
Weight
147 g (5.19 ounces)
176 g (6.21 ounces)
Thickness
7.6 mm (0.3 inches)
7.3 mm (0.29 inches)
Width
72.9 mm (2.87 inches)
73.9 mm (2.91 inches)
Height
149.1 mm (5.87 inches)
159.7 mm (6.29 inches)
Volume
82.61 cm³
86.15 cm³
Color options
Black, Blue, Lilac
Dusk Blue, Sunset Dazzle
Display
Screen size
5.2"
6.44"
Display type
IPS, LCD
OLED/AMOLED
Pixel density
282.4 ppi
409 ppi
Resolution
1280 x 720 px
1080 x 2400 px
Refresh rate
-
90Hz
Brightness (typical)
-
500 nits
Supports HDR10+
-
✔
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB
128GB, 256GB
RAM
6GB, 8GB
8GB
Android version
Android 6 Marshmallow
Android 11
CPU speed
8 x 1.4 GHz
2 x 2.4 GHz & 6 x 2 GHz
GPU clock speed
450 MHz
-
Has integrated LTE
✔
✔
RAM speed
800 MHz
2133 MHz
Semiconductor size
28 nm
7 nm
Supports 64-bit
✔
✔
DirectX version
DirectX 11
DirectX 12
Has integrated graphics
✔
✔
OpenGL ES version
3.1
3.2
Uses big.LITTLE technology
-
✔
CPU threads
8 threads
8 threads
Uses HMP
-
✔
Has TrustZone
✔
✔
Maximum memory bandwidth
6.4 GB/s
17.1 GB/s
OpenCL version
2
2
DDR memory version
3
4
Maximum memory amount
4GB
12GB
GPU execution units
-
3
Thermal Design Power (TDP)
-
10W
Shading units
-
48
Release date
2022
2021
Has NX bit
✔
-
Memory channels
1
2
Has an external memory slot
✔
✔
Egl version
1.4
-
GPU turbo
-
850 MHz
Maximum amount of external memory supported
256GB
-
Bits executed at a time
128
-
VFP version
4
-
Cameras
Main camera
13 MP
64 MP & 8 MP & 2 MP
Front camera
16MP
44MP
Has built-in optical image stabilization
-
✔
Video recording (main camera)
1080 x 30 fps
2160 x 30 fps
Wide aperture (main camera)
f/2.0
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 touch autofocus
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.0
f/2.0
Has timelapse function
-
✔
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
74
125
Battery
Battery power
2900 mAh
4000 mAh
Supports fast charging
-
✔
Charging speed
10W
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 4 (802.11n)
Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Download speed
150 MBits/s
42.2 MBits/s
Upload speed
50 MBits/s
5.76 MBits/s
Has USB Type-C
-
✔
USB version
2
2
SIM cards
2 SIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
4.1
5.1
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Supports Galileo
-
✔
Has an accelerometer
✔
✔
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Oppo A57
Vote for Your option
Vivo V21
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