Cubot J20 vs Ulefone Armor 15

Cubot J20

Ulefone Armor 15

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

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

LTE frequency band 1, 3, 5, 7, 8, 19, 20, 40

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

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.52 Mbps
LTE speed

-

LTE, Cat13, 300 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Aluminium alloy, reinforced polycarbonate, TPU
SIM

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

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

138 mm

170.2 mm
Width

65 mm

79.6 mm
Thickness

10.8 mm

18.2 mm
Weight

143 g

346 g
Waterproof

-

IP68 (1.5m and 35 minutes)
Dust proof

-

IP68
MIL-STD-810G

-

Yes
Build features

-

Built-in wireless earbuds housed inside the top side of the phone; charging
Colors

Black, Green

Black, Blue, Red

Main camera
Camera type

Single

Dual
Main camera

5 MP

12 MP, f/1.8 , 1.4 µm
(ultrawide) , 13 MP, f/2.4 , 106˚
Primary camera resolution

2560 x 1920 pixels

4160 x 3120 pixels
Primary camera video

720p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, geotagging, HDR, touch focus, face detection, self-timer

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

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes