Ulefone Armor 21 vs Xiaomi Poco X4 Pro 5G

Ulefone Armor 21

Xiaomi Poco X4 Pro 5G

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

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

-
LTE speed

LTE

LTE-A (CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate, TPU, metal

Plastic, aluminium alloy
SIM

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

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

176 mm

164.2 mm
Width

81.6 mm

76.1 mm
Thickness

18.1 mm

8.1 mm
Weight

400 g

205 g
Waterproof

IP68/IP69K (1.5m and 30 mins)

-
Splash resistant

-

IP53
Dust proof

IP68/IP69K

IP53
MIL-STD-810H

Yes

-
Colors

Black

Black, Blue, Poco Yellow

Display
Display type

IPS LCD

AMOLED
Physical size

6.58 inches

6.67 inches
Resolution

1080 x 2408 pixels

1080 x 2400 pixels
Pixel density

401 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Display features

-

120Hz, 700 nits, 1200 nits (peak)

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 64 MP, f/1.9 , 0.8 µm

(wide) , 108 MP, f/1.9 , 0.7 µm, 26 mm, 1/1.52"
(night vision) , 24 MP, f/1.8

(ultrawide) , 8 MP, f/2.2 , 118˚
(macro) , 2 MP, f/2.4
Primary camera resolution

9280 x 6180 pixels

-
Primary camera video

-

1080p@30/60fps
Primary camera flash

LED flash

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, macro-mode, phase detection autofocus

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.2 , 1.0 µm

(wide) , 16 MP, f/2.5 , 0.6 µm, 1/3.06"
Selfie camera resolution

4608 x 3456 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, HDR, face detection

Face unlock, HDR
Selfie camera video

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

Yes
NFC

Yes

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

9600 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes, 33W

Quick Charge 3+, 67W (70% in 22 min, 100% in 41 min)

Ulefone Armor 21 comparisons