Oppo A57 vs Samsung Galaxy A21
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
Samsung Galaxy A21
Screen size: 6.4" / Resolution: 720 x 1600 px / Main camera: 13 MP & 5 MP & 2 MP & 2 MP / Front camera: 8MP / RAM: 3GB / Battery power: 4000 mAh / Internal storage: 32GB / SIM cards: 1 SIM
Key Differences
Oppo A57
Samsung Galaxy A21
How is Oppo A57 better than Samsung Galaxy A21?
More RAM memory capacity in max option: 6GB, 8GB vs 3GB
More internal storage in max option: 128GB, 256GB vs 32GB
More megapixels front camera: 16MP vs 8MP
Lighter: 147 g (5.19 ounces) vs 193 g (6.81 ounces)
Narrower: 72.9 mm (2.87 inches) vs 76.7 mm (3.02 inches)
Shorter: 149.1 mm (5.87 inches) vs 167.8 mm (6.61 inches)
More color options: Black, Blue, Lilac vs Black
The phone is 1 year and 9 months newer
Oppo A57
Samsung Galaxy A21
How is Samsung Galaxy A21 better than Oppo A57?
Bigger battery capacity: 4000 mAh vs 2900 mAh
Faster CPU speed: 4 x 2.3 GHz & 4 x 1.8 GHz vs 8 x 1.4 GHz
AnTuTu score is about 182% higher
Has a larger display diagonal: 6.4" vs 5.2"
Better display resolution: 720 x 1600 px vs 1280 x 720 px
Size Comparison
Oppo A57
Samsung Galaxy A21
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"
6.4"
Height
167.8 mm
(6.61 inches)
Width
76.7 mm
(3.02 inches)
Thickness
8.1 mm
(0.32 inches)
Screen size
6.4"
Weight
193 g
(6.81 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
167.8 mm
(6.61 inches)
Width
76.7 mm
(3.02 inches)
Thickness
8.1 mm
(0.32 inches)
Screen size
6.4"
Weight
193 g
(6.81 ounces)
3D comparison
Oppo A57
Samsung Galaxy A21
Oppo A57
Samsung Galaxy A21
Expert Score
Score 4.0
Score 4.0
Oppo A57
Samsung Galaxy A21
Oppo A57
Samsung Galaxy A21
Score 4.0
Score 4.0
Smartprix
Oppo A57
Samsung Galaxy A21
Vote for Your option
Oppo A57
Vote for Your option
Samsung Galaxy A21
Benchmarks
AnTuTu Score
Oppo A57
46,202
Samsung Galaxy A21
130,115 +181.62%
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
Technical Specifications
Show differences
Show differences
Specs
Oppo A57
Samsung Galaxy A21
Design
Weight
147 g (5.19 ounces)
193 g (6.81 ounces)
Thickness
7.6 mm (0.3 inches)
8.1 mm (0.32 inches)
Width
72.9 mm (2.87 inches)
76.7 mm (3.02 inches)
Height
149.1 mm (5.87 inches)
167.8 mm (6.61 inches)
Volume
82.61 cm³
104.25 cm³
Color options
Black, Blue, Lilac
Black
Display
Screen size
5.2"
6.4"
Display type
IPS, LCD
IPS, LCD
Pixel density
282.4 ppi
274 ppi
Resolution
1280 x 720 px
720 x 1600 px
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB
32GB
RAM
6GB, 8GB
3GB
Android version
Android 6 Marshmallow
Android 10
CPU speed
8 x 1.4 GHz
4 x 2.3 GHz & 4 x 1.8 GHz
GPU clock speed
450 MHz
650 MHz
Has integrated LTE
✔
✔
RAM speed
800 MHz
1600 MHz
Semiconductor size
28 nm
12 nm
Supports 64-bit
✔
✔
DirectX version
DirectX 11
DirectX 10
Has integrated graphics
✔
✔
OpenGL version
-
3.2
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
14.9 GB/s
OpenCL version
2
1.2
EMMC version
-
5.1
DDR memory version
3
4
Maximum memory amount
4GB
6GB
Thermal Design Power (TDP)
-
5W
Release date
2022
2020
Has NX bit
✔
✔
Memory channels
1
-
Has an external memory slot
✔
✔
Egl version
1.4
-
GPU turbo
-
680 MHz
Maximum amount of external memory supported
256GB
128GB
Bits executed at a time
128
128
VFP version
4
4
Cameras
Main camera
13 MP
13 MP & 5 MP & 2 MP & 2 MP
Front camera
16MP
8MP
Video recording (main camera)
1080 x 30 fps
1080 x 30 fps
Wide aperture (main camera)
f/2.0
-
Has a BSI sensor
✔
-
Has phase-detection autofocus for photos
-
✔
Has a built-in HDR mode
✔
✔
Has a flash
✔
✔
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 a front camera
✔
✔
Has manual white balance
-
✔
Has touch autofocus
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.0
f/2.0
Operating system
Has theme customization
-
✔
Has dark mode
-
✔
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
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Has LDAC
-
✔
Has aptX
-
✔
Number of microphones
2
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 4 (802.11n)
Download speed
150 MBits/s
150 MBits/s
Upload speed
50 MBits/s
50 MBits/s
Has USB Type-C
-
✔
USB version
2
2
Has NFC
-
✔
SIM cards
2 SIM
1 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
4.1
5
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
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
Samsung Galaxy A21
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