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Samsung Galaxy A21 vs Samsung Galaxy A31 (128 GB) Comparison

Samsung Galaxy A21 photo
Samsung Galaxy A31 photo
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BASIC FEATURES
 
 
Screen Size
6.5 Inch
6.4 Inch
Screen/Body Ratio
 
84.49 %
Weight
 
185 Grams
Camera Resolution
16 MP
48 MP
Storage Capacity
32 GB
128 GB
Internal Memory (RAM)
3 GB
4 GB
Chipset
Samsung Exynos 7 Series 7904
MediaTek MT6768 (Helio P65)
CPU Frequency
1.8 GHz
2.0 GHz
Screen Resolution
 
1080x2400 (FHD+) Pixel
Video Recording Resolution
1080p (Full HD)
1080p (Full HD)
Battery Capacity
4000 mAh
5000 mAh
Head SAR
 
0.488 W/kg
OS Version
Android 10 (Q)
Android 10 (Q)
FULL FEATURES
 
 
DISPLAY
 
 
Screen Size
Display Technology
Screen Resolution
 
Screen Resolution Standard
HD+
Pixel Density (PPI)
 
411 PPI
Screen Refresh Rate
Aspect Ratio
 
Screen Area
 
98.39 cm²
Touch Screen Technology
Capacitive Touchscreen
Capacitive Touchscreen
Color Depth
Screen/Body Ratio
 
84.49 %
BATTERY
 
 
Battery Capacity
Talk Time (4G)
 
33 Hours
Internet Usage (WiFi)
 
20 Hours
Internet Usage (4G)
 
20 Hours
Video Playing
 
22 Hours
Audio Playing
 
97 Hours
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
 
Video Recording Resolution
Video FPS
Second Rear Camera
Yes
Yes
Second Rear Camera Resolution
Second Rear Camera Aperture
 
F2.2
Third Rear Camera
Yes
Yes
Third Rear Camera Resolution
Third Rear Camera Aperture
 
F2.4
Third Rear Camera Features
Fourth Rear Camera
Yes
Yes
Fourth Rear Camera Resolution
2 MP
5 MP
Fourth Rear Camera Aparture
 
F2.4
Fourth Rear Camera Features
Front Camera Resolution
Front Camera Video Resolution
 
Front Camera FPS
 
Front Camera Aperture Size
 
HARDWARE
 
 
CPU Frequency
CPU Core
CPU Architecture
GPU Frequency
 
820 MHz
Lithography
AnTuTu Score (v8)
 
168.600 Points
AnTuTu Score (v10)
 
198.100 Points
Geekbench 5 (Single-core)
 
350 Points
Geekbench 5 (Multi-core)
 
1.240 Points
Internal Memory (RAM)
Storage Capacity
User Available Memory
 
101 GB
Memory Card Support
Yes
Yes
Expandable Memory Support Max
Other RAM Options
 
4/6GB RAM Options
Other Storage Options
 
64/128GB Storage Options
DESIGN
 
 
Height
 
159.3 mm
Width
 
73.1 mm
Depth
 
8.6 mm
Weight
 
185 Grams
Colour Options
Body Material (Cover)
 
Body Material (Frame)
 
NETWORK
 
 
2G
Yes
Yes
3G
Yes
Yes
4G
Yes
Yes
LTE Advanced Pro
Yes
Yes
5G
No
No
OS
 
 
Operating System
Upgradable Version
 
User Interface (UI)
User Interface Version
WLAN
 
 
NFC
No
Yes
Bluetooth Version
5.0
5.0
IR Blaster
No
No
Navigation Features
GPS
MULTIMEDIA
 
 
FM Radio
Yes
Yes
Speaker Features
 
Earphone Jack
SPECS
 
 
Water Resistance
No
No
Dust Resistance
No
No
Video Call (App)
Yes
Yes
Fingerprint Sensor
Yes
Yes
Fingerprint Sensor Features
LED Notification Light
 
No
Head SAR
 
0.488 W/kg
Body SAR
 
1.68 W/kg
OTHER CONNECTIONS
 
 
USB Version
2.0
2.0
USB Interface
USB Features
 
Number of SIM
 
Dual-SIM Feature
 
GENERAL INFORMATIONS
 
 
Release Year
Announce-Date
2020, April
2020, March
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