Samsung Galaxy A31 photo
Samsung Galaxy A21s photo
BASIC FEATURES
 
 
Screen Size
6.4 Inch
6.5 Inch
Screen/Body Ratio
84.49 %
82.43 %
Weight
185 Grams
192 Grams
Camera Resolution
48 MP
48 MP
Storage Capacity
64 GB
32 GB
Internal Memory (RAM)
4 GB
3 GB
Chipset
MediaTek MT6768 (Helio P65)
Samsung Exynos 850
CPU Frequency
2.0 GHz
2.0 GHz
Screen Resolution
1080x2400 (FHD+) Pixel
720x1600 (HD+) Pixel
Battery Capacity
5000 mAh
5000 mAh
OS Version
Android 10 (Q)
Android 10 (Q)
FULL FEATURES
 
 
DISPLAY
 
 
Screen Size
Display Technology
Screen Resolution Standard
HD+
Pixel Density (PPI)
 
270 PPI
Screen Refresh Rate
Aspect Ratio
Screen Area
98.39 cm²
101.61 cm²
Touch Screen Technology
Capacitive Touchscreen
Capacitive Touchscreen
Color Depth
Screen/Body Ratio
84.49 %
82.43 %
BATTERY
 
 
Battery Capacity
Charging Type
Battery Technology
 
Fast Charge
Yes
Yes
Fast Charge Power
Fast Charge Features
Wireless Charge
No
No
Removable Battery
No
No
CAMERA
 
 
Camera Resolution
Optical Image Stabilization (OIS)
No
No
Flash
LED
LED
Aperture Size
Dual Rear Camera
Yes
Yes
Second Rear Camera Resolution
Second Rear Camera Aperture
F2.2
F2.2
Second Rear Camera Features
Third Rear Camera
Yes
Yes
Third Rear Camera Resolution
Third Rear Camera Aperture
F2.4
F2.4
Third Rear Camera Features
Forth Rear Camera
 
Yes
Forth Rear Camera Resolution
 
Forth Rear Camera Aparture
 
F2.4
Forth Rear Camera Features
 
Front Camera Resolution
Front Camera Aperture Size
F2.2
F2.2
Front Camera Features
 
HARDWARE
 
 
CPU Frequency
CPU Core
First Coprocessor
 
CPU Architecture
GPU
 
GPU Frequency
820 MHz
 
Lithography
 
Internal Memory (RAM)
Storage Capacity
Memory Card Support
Yes
Yes
Expandable Memory Support Max
Other RAM Options
4/6GB RAM Options
3/4/6GB RAM Options
Other Storage Options
64/128GB Model Options
32/64GB Model Options
DESIGN
 
 
Height
159.3 mm
163.7 mm
Width
73.1 mm
75.3 mm
Depth
8.6 mm
8.9 mm
Weight
185 Grams
192 Grams
Colour Options
NETWORK
 
 
2G
Yes
Yes
2G Bands
1800 MHz 1900 MHz 850 MHz 900 MHz
 
2G Technology
EDGE GPRS GSM
 
3G
Yes
Yes
3G Bands
1900 (band 2) MHz 2100 (band 1) MHz 850 (band 5) MHz 900 (band 8) MHz
 
3G Download
42.2 Mbps
 
3G Upload
5.76 Mbps
 
3G Technology
HSPA+
 
4G
Yes
Yes
LTE Advanced Pro
Yes
Yes
5G
No
No
OS
 
 
Operating System
User Interface (UI)
User Interface Version
 
WLAN
 
 
Bluetooth Version
5.0
5.0
IR Blaster
No
 
MULTIMEDIA
 
 
FM Radio
Yes
 
Speaker Features
 
Earphone Jack
 
SPECS
 
 
Water Resistance
No
No
Dust Resistance
No
No
3G Video Call (GSM)
Yes
Yes
Video Call (App)
Yes
Yes
Fingerprint Sensor
Yes
Yes
Fingerprint Sensor Features
OTHER CONNECTIONS
 
 
USB Version
2.0
2.0
USB Interface
USB Features
 
GENERAL INFORMATIONS
 
 
Release Year
Announce-Date
2020, March
2020, May
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