Ulefone Armor 21 vs Xiaomi Redmi 9T

Ulefone Armor 21

Xiaomi Redmi 9T

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 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, 20, 28, 38, 40, 41
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

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

LTE

LTE-A, Cat12, 603 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate, TPU, metal

Glass front (Gorilla Glass 3), plastic frame, plastic back
SIM

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

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

176 mm

162.3 mm
Width

81.6 mm

77.3 mm
Thickness

18.1 mm

9.6 mm
Weight

400 g

198 g
Waterproof

IP68/IP69K (1.5m and 30 mins)

Water-repellent coating
Dust proof

IP68/IP69K

-
MIL-STD-810H

Yes

-
Colors

Black

Blue, Gray, Green, Orange

Display
Display type

IPS LCD

IPS LCD
Physical size

6.58 inches

6.53 inches
Resolution

1080 x 2408 pixels

1080 x 2340 pixels
Pixel density

401 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
Display features

-

450 nits (typ)

Main camera
Camera type

Dual

Quad
Main camera

(wide) , 64 MP, f/1.9 , 0.8 µm

(wide) , 48 MP, f/1.8 , 0.8 µm, 26 mm, 1/2.0"
(night vision) , 24 MP, f/1.8

(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

9280 x 6180 pixels

8000 x 6000 pixels
Primary camera video

-

1080p@30fps
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, digital zoom, digital image stabilization, 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

Single
Selfie camera

(wide) , 16 MP, f/2.2 , 1.0 µm

(wide) , 8 MP, f/2.1 , 1.12 µm, 27 mm, 1/4.0"
Selfie camera resolution

4608 x 3456 pixels

3264 x 2448 pixels
Selfie camera features

Face unlock, HDR, face detection

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

v5.0
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