Samsung Galaxy A42 5G vs Samsung Galaxy A31

General Info

Manufacturer
Samsung	Samsung
Announced
2020, September 02	2020, March 24
Status
Available. Released 2020, November 11	Coming Soon - April 2020
Colors
Prism Dot Black, Prism Dot White, Prism Dot Gray	Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Form Factor
Candybar	Candybar
Dimension
164.4 x 75.9 x 8.6 mm (6.47 x 2.99 x 0.34 in)	159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight
193 g (6.81 oz)	185 g (6.53 oz)
SIM Type
Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)	Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
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 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41 - Europe 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 34, 38, 39, 40, 41	LTE (unspecified)
5G Network
1, 3, 5, 7, 8, 28, 40, 41, 78 SA/NSA/Sub6 - Europe 1, 3, 5, 7, 8, 28, 40, 41, 78, 79 SA/NSA/Sub6	-
Messaging

Build Features
- Fingerprint Sensor (under display, optical)	- Fingerprint Sensor (under display, optical)

OS
Android 10, upgradable to Android 11, One UI 3.1	Android 10.0
User Interface
One UI 2.1	One UI 2.0
Processor
Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570), Qualcomm SM7225 Snapdragon 750 5G (8 nm) [Similar]	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) [Similar]
GPU
Adreno 619 [Similar]	Mali-G52 MC2 [Similar]
RAM
8 GB [Browse Similar]	6 GB [Browse Similar]
Internal Memory
128 GB	128 GB
External Memory
microSDXC	microSDXC

Type
HD+ Super AMOLED capacitive touchscreen	Super AMOLED Capacitive Touchscreen
Colors
16M Colour	16M colors
Size
6.6 inches [Similar]	6.4 inches [Similar]
Resolution
720 x 1600 pixels (266 ppi)	1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio
84.18%	85.01%
Multi-Touch

Rear Camera
48 MP + 8 MP + 5 MP + 5 MP [Similar]	48 MP + 8 MP + 5 MP + 5 MP [Similar]
Flash
LED Flash	LED flash
Features
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (depth) 5 MP, f/2.4, (macro) Panorama, HDR	48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) panorama, HDR
Video
4K@30fps, 1080p@30fps, 720p@480fps	1080p@30fps
Front Camera
20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar]	20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE-A, 5G	HSPA, LTE-A
Bluetooth
5.0, A2DP, LE	5.0, A2DP, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB
2.0, Type-C 1.0 reversible connector	2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser
Yes	Yes

Internal
128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM UFS 2.1	128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage
microSDXC	microSDXC
USB OTG
Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery charging 15W	Non-removable Li-Po Battery Fast battery charging 15W
Capacity
5000 mAh	5000 mAh
Stand by
-	-
Talk Time
-	-