Cubot J3 Pro vs OnePlus 8

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

HSDPA 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 18(800)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 46, 66 - EU; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 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 - India; 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, 7, 28, 78 SA/NSA - EU; 2, 5, 41, 66, 71 SA/NSA - North America; 41, 78, 79 SA/NSA - China; 78 SA/NSA - India
HSDPA speed

-

42 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat6, 301 Mbps download, 51 Mbps upload

LTE-A (5CA) Cat 18, 1200 Mbps download, 150 Mbps upload
5G speed

-

7.5 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, polycarbonate

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM

Dual SIM (Nano-SIM/Nano-SIM)

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

153 mm

160.2 mm
Width

72 mm

72.9 mm
Thickness

8.8 mm

8 mm
Weight

164 g

180 g
Waterproof

-

IP68
Dust proof

-

IP68
Colors

Black, Blue, Gray

Black, Glow, Green, Silver

Display
Display type

IPS capacitive touchscreen

Fluid AMOLED capacitive touchscreen
Physical size

5.5 inches

6.55 inches
Resolution

480 x 960 pixels

1080 x 2400 pixels
Pixel density

195 ppi

402 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, GFF full lamination

Corning Gorilla Glass 5
Multitouch

Yes

-
Display features

-

HDR10+, 90 Hz refresh rate

Main camera
Camera type

Dual

Triple
Main camera

8 MP, f/2.0

48 MP, f/1.8 , 25 mm, 1/2.0" , 0.8 µm
2 MP

16 MP, f/2.2 , 14 mm
2 MP, f/2.4
Interpolated resolution

13 MP

-
Primary camera resolution

3264 x 2448 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

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

LED flash

dual 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

Autofocus, continuous shooting, digital zoom, optical 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, phase detection autofocus, contrast detection autofocus, laser autofocus, RAW

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n, 802.11n 5GHz

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

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

microUSB 2.0

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes
SBAS

-

Yes