Samsung Galaxy A21s vs Samsung Galaxy A31
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
SM-A217F, SM-A217F/DS
Galaxy A31
Announced
2020, May
2020, March
Released
2020, May
2020, March
Status
Available
Available
Design
Type
Bar
Bar
Dimensions
8.9 mm thickness
159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight
191 g (6.74 oz)
185 g (6.53 oz)
Colors
Black, White, Blue
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE
LTE (unspecified)
SIM
Nano SIM
Nano SIM
Dual SIM
Dual SIM (Nano-SIM, dual stand-by)
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display
Display Type
Super AMOLED
Super AMOLED
Size
6.55 inches, 103.6 cm2
6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
Resolution
720 x 1600 pixels
1080 x 2400 pixels
Display Colors
16M colors
16M colors
Pixel Density
268 ppi density
411 ppi density
Touch Screen
Capacitive Touchscreen
Capacitive Touchscreen
Media
FM Radio
Yes
Yes
Earphone Jack
Yes
Yes
Camera
Camera Set
Quad Cameras
Quad Cameras
Main Camera
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF
2nd Camera
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
3rd Camera
2 MP, f/2.4, (macro)
5 MP, f/2.4, (macro)
4th Camera
2 MP, f/2.4, (depth)
5 MP, f/2.4, (depth)
Camera Video
1080p@30fps
2160p@30fps, 1080p@30fps
Features
Panorama, HDR
-
Flash
LED flash
LED Flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
13 MP, (wide), 1/3.1", 1.12µm
20 MP, f/2.2, (wide)
Selfie Video
1080p@30fps
1080p@30fps
Software
OS
Android 10.0
Android 10.0
User Interface
One UI 2.0
One UI 2.0
Hardware
Chipset
Exynos 850
-
CPU
Octa-core (4x2.0 GHz & 4x2.0 GHz)
Octa-core (2x2.0 GHz & 6x1.7 GHz)
RAM
3/4/6 GB
4/6 GB
Internal Storage
32/64 GB
64/128 GB
Card Slot
Yes microSD, up to 512 GB
Yes microSD, up to 512 GB
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Connectivity
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
Wi-fi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-fi Hotspot
Yes
Yes
USB
Yes
2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes
Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC
Yes
No
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA, LTE-A
Battery
Battery Type
Li-Ion (Lithium Ion)
Li-Ion (Lithium Ion)
Capacity
5000 mAh battery
5000 mAh battery
Placement
Non-removable
Non-removable
Fast Charging
Yes, 10W
Yes, 15W