Apple Watch 44mm Series 4 vs ZTE nubia Z20

Apple Watch 44mm Series 4

ZTE nubia Z20

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA

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

LTE

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 Cat 18, 1.2 Gbps download, 221 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Stainless Steel frame; all-ceramic/sapphire crystal back

Aluminium alloy, glass
SIM

Electronic SIM card (Apple e-SIM)

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

44 mm

158.6 mm
Width

38 mm

75.2 mm
Thickness

10.7 mm

9.2 mm
Weight

48 g

186 g
Waterproof

50m

-
Colors

Black, Gold, Silver

Black, Blue, Red

Display
Display type

LTPO AMOLED

AMOLED
Physical size

1.78 inches

6.42 inches
Resolution

448 x 368 pixels

1080 x 2340 pixels
Pixel density

326 ppi

401 ppi
Display colors

16777216

16777216
Protection

Sapphire crystal glass

Scratch resistant, Corning Gorilla Glass
Multitouch

Yes

Yes
Display features

3D Touch display, 1000 nits

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

-

Triple
Primary camera

No

-
Main camera

48 MP, f/1.7 , 26 mm, 1/2" , 0.8 µm, 3x optical zoom
8 MP
16 MP, 12 mm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

-

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

-

dual-LED dual-tone flash
Camera features

-

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 802.11b, 802.11g, 802.11n

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

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

No

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

-

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
QZSS

Yes

-