Cubot J20 vs OnePlus 9

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1800, 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, 32, 38, 39, 40, 41, 66 - EU; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 - North America; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 - IN; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41 - China
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU; 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - North America; 41, 78 SA/NSA - IN; 1, 3, 28, 41, 78, 79 SA/NSA - China
HSDPA speed

21.1 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 (5CA), Cat20, 2000 Mbps download, 200 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

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

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

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

138 mm

160 mm
Width

65 mm

74.2 / 73.9 (EU, North America/IN, China) mm
Thickness

10.8 mm

8.7 / 8.1 (EU, North America/IN, China) mm
Weight

143 g

192 / 183 (EU, North America/IN, China) g
Waterproof

-

IP68
Dust proof

-

IP68
Colors

Black, Green

Black, Sky, Winter Mist

Display
Display type

IPS TFT

Fluid AMOLED
Physical size

4 inches

6.55 inches
Resolution

480 x 584 pixels

1080 x 2400 pixels
Pixel density

245 ppi

402 ppi
Display colors

16777216

16777216
Protection

-

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

-

Always-on display, 120Hz, HDR10+, 1100 nits (peak)

Main camera
Camera type

Single

Triple
Main camera

5 MP

48 MP, (wide) , f/1.8 , 23 mm, 1/1.43" , 1.12 µm
(ultrawide) , 50 MP, f/2.2 , 14 mm, 1/1.56" , 1.0 µm
(depth) , 2 MP, f/2.4
Primary camera resolution

2560 x 1920 pixels

8000 x 6000 pixels
Primary camera video

720p@30fps

8K@30fps, 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Primary camera flash

LED flash

dual-LED flash
Camera features

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

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical 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, contrast detection autofocus, Hasselblad Pro mode, dual native ISO, 2.2 OCL

Selfie camera
Selfie camera type

Single

Single
Selfie camera

2 MP

16 MP, (wide) , f/2.4 , 1/3.06" , 1.0 µm
Selfie camera resolution

1920 x 1080 pixels

4640 x 3456 pixels
Selfie camera features

Face unlock

Face unlock, HDR, digital image stabilization
Selfie camera video

480p@30fps

1080p@30fps, gyro-EIS

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

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
WLAN DLNA

-

Yes
USB

microUSB 2.0

Type-C 3.1
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
SBAS

-

Yes