Cubot X50 vs vivo S15

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 850, 900, 1700(AWS), 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, 19, 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

AG glass, plastic
SIM

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

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

171 mm

161.1 mm
Width

75 mm

74.3 mm
Thickness

9 mm

8 mm
Weight

-

197 g
Colors

Gray, Green

Black, Blue, Yellow

Display
Display type

IPS

AMOLED
Physical size

6.67 inches

6.62 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

395 ppi

398 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen
Display features

-

120Hz, HDR10+, 1300 nits (peak)

Main camera
Camera type

Quad

Triple
Main camera

64 MP, 1/1.72" inches, 0.8 µm

64 MP, 1/1.72" , (wide) , f/1.9 , 25 mm
(ultrawide) , 16 MP, 125˚

(ultrawide) , 8 MP, 120˚ , f/2.2 , 16 mm
(macro) , 5 MP

(macro) , 2 MP, f/2.4
0.3 MP
Primary camera resolution

9280 x 6920 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

4K@30fps, 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, phase detection autofocus

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, phase detection autofocus

Selfie camera
Selfie camera type

-

Single
Selfie camera

36 MP

32 MP, (wide) , f/2.0
Selfie camera resolution

6560 x 5480 pixels

-
Selfie camera features

Face unlock, HDR

Face unlock, autofocus, HDR, face detection, panorama, geotagging, digital image stabilization
Selfie camera video

1080p@30fps

1080p@30fps

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

Yes
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

v5.2
Bluetooth A2DP

A2DP

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes