Samsung Gear S3 classic LTE vs ZTE nubia Z20

Samsung Gear S3 classic LTE

ZTE nubia Z20

Network
2G network

GSM 900, 1800; GSM 850, 1900

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

HSDPA 900, 2100; HSDPA 850, 1700(AWS), 1900 - USA

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

LTE frequency band 2(1900), 4(1700/2100), 5(850) - USA

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
HSPA speed

HSPA

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE

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

Yes

Yes
EDGE

Yes

Yes

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

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

-

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

-

Yes
bluetooth LE

-

Yes
Infrared

-

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging Email

Email

-
Messaging IM

IM

-
Java

No

-
Sensors

Accelerometer, barometer, gyro, heart rate

Accelerometer, compass, fingerprint, gyroscope, light, proximity

Main camera
Camera type

-

Triple
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