Ulefone Power 3S vs ZTE nubia Z20

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800)

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat7 301 Mbps download, 102 Mbps upload

LTE Cat 18, 1.2 Gbps download, 221 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS capacitive touchscreen

AMOLED
Physical size

6 inches

6.42 inches
Resolution

1080 x 2160 pixels

1080 x 2340 pixels
Pixel density

402 ppi

401 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 4

Scratch resistant, Corning Gorilla Glass
Multitouch

Yes

Yes
Display features

-

Always-on display, DC dimming, HDR10
Additional display

-

AMOLED
Resolution of additional display

-

720 x 1520 pixels
Size of additional display

-

5.1 inches

Main camera
Camera type

Dual

Triple
Main camera

13 MP, f/2.0

48 MP, f/1.7 , 26 mm, 1/2" , 0.8 µm, 3x optical zoom
5 MP

8 MP
16 MP, 12 mm
Interpolated resolution

16 MP

-
Primary camera resolution

4160 x 3120 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

4320@15fps, 2160p@30/60fps, 1080p@30/60fps, 720p@1920fps
Primary camera flash

dual-LED flash

dual-LED dual-tone flash
Primary camera phase detection autofocus

phase detection autofocus

-
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, macro mode

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

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

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

Yes

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Infrared

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

Yes