Samsung Galaxy M31 vs Ulefone Power Armor 18

Samsung Galaxy M31

Ulefone Power Armor 18

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
5G network

-

5G band 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat10, 452 Mbps download, 102 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Metal, polycarbonate, TPU
SIM

Dual SIM (Nano-SIM, dual stand-by)

Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

159.2 mm

175.2 mm
Width

75.1 mm

83.4 mm
Thickness

8.9 mm

18.8 mm
Weight

191 g

409 g
Waterproof

-

IP68/IP69K (1.5m and 30 mins)
Dust proof

-

IP68/IP69K
MIL-STD-810H

-

Yes
Colors

Black, Blue, Red

Black

Main camera
Camera type

Triple

Triple
Main camera

64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm

108 MP, f/1.9 , 1/1.52" , 0.7 µm, (wide)
8 MP, f/2.2 , 12 mm, 1/4.0" , 1.12 µm

5 MP, f/3.0 , 1/5" , 1.12 µm, (macro)
5 MP, f/2.4 , 25 mm, 1/5.0" , 1.12 µm

8 MP, f/2.2 , 119˚ , (ultrawide)
5 MP, f/2.2
Primary camera resolution

9280 x 6944 pixels

12000 x 9000 pixels
Primary camera video

2160p@30fps, 1080p@30fps, gyro-EIS

4K@30fps, 1080p@30fps
Primary camera flash

LED flash

Hexa-LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

-

Single
Selfie camera

32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm

32 MP, f/2.0 , 1.2 µm, (wide) , 73˚
Selfie camera resolution

6528 x 4896 pixels

-
Selfie camera video

2160p@30fps, 1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB connector

-

magnetic connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity, thermometer