Cubot X50 vs vivo X90

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41
5G network

-

5G band 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE, Cat6, 301 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, glass

Glass front, glass back or eco leather back
SIM

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

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

171 mm

164.1 mm
Width

75 mm

74.4 mm
Thickness

9 mm

8.5 mm
Weight

-

196/200 g
Waterproof

-

IP64
Dust proof

-

IP64
Colors

Gray, Green

Black, Blue, Red

Display
Display type

IPS

AMOLED
Physical size

6.67 inches

6.78 inches
Resolution

1080 x 2400 pixels

1260 x 2800 pixels
Pixel density

395 ppi

453 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, 3D curved glass screen
Display features

-

120Hz, HDR10+

Main camera
Camera type

Quad

Triple
Main camera

64 MP, 1/1.72" inches, 0.8 µm

50 MP, 1/1.49" , 1.0 µm, (wide) , f/1.8 , 10x digital zoom
(ultrawide) , 16 MP, 125˚

(telephoto) , 12 MP, f/2.0 , 50 mm, 1/2.93" , 1.22 µm, 2x optical zoom
(macro) , 5 MP

(ultrawide) , 12 MP, 116˚ , f/2.0 , 16 mm, 1/2.93" , 1.22 µm
0.3 MP
Primary camera resolution

9280 x 6920 pixels

8190 x 6120 pixels
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

dual-LED dual-tone 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, phase detection autofocus

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, laser autofocus

Connectivity
WLAN

Wi-Fi 802.11a, 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

Wi-Fi hotspot

-
WLAN WiFi Direct

Wi-Fi direct

Yes
WLAN WiFi Dual Band

Dual-band

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

A2DP

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes