Samsung Galaxy M21 vs Ulefone Power Armor 18

Samsung Galaxy M21

Ulefone Power Armor 18

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)

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-A

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic back, plastic frame

Metal, polycarbonate, TPU
SIM

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

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

159 mm

175.2 mm
Width

75.1 mm

83.4 mm
Thickness

8.9 mm

18.8 mm
Weight

188 g

409 g
Waterproof

-

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

-

IP68/IP69K
MIL-STD-810H

-

Yes
Colors

Black, Blue

Black

Main camera
Camera type

Triple

Triple
Main camera

48 MP, f/2.0 , 26 mm, 1/2.0" , 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/2.2

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

8000 x 6000 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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB connector

-

magnetic connector
USB On-The-Go

-

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
Beidou

Yes

-
BDS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

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