Apple Watch 40mm Series 5 Aluminum (Wi-Fi) vs UMIDIGI Z2

Apple Watch 40mm Series 5 Aluminum (Wi-Fi)

UMIDIGI Z2

Network
2G network

N/A

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

N/A

HSDPA 850, 900, 1700, 1900, 2100
4G network

N/A

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 1900, 2300, 2500, 2600 MHz
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE, Cat7, 301 Mbps download, 102 Mbps upload
GPRS

-

Yes
EDGE

-

Yes

Design
Build

Aluminum frame; all-ceramic/sapphire crystal back

Aluminium alloy, glass
SIM

No

Dual SIM (Nano-SIM/Nano-SIM(microSD))
Height

40 mm

153.4 mm
Width

34 mm

74.4 mm
Thickness

10.7 mm

8.3 mm
Weight

30 g

165 g
Waterproof

50 m

-
Colors

Gray, Gold, Silver

Black, Blue

Display
Display type

LTPO OLED capacitive touchscreen

IPS capacitive touchscreen
Physical size

1.57 inches

6.2 inches
Resolution

394 x 324 pixels

1080 x 2284 pixels
Pixel density

326 ppi

407 ppi
Display colors

16777216

16777216
Protection

Ion-X strengthened glass

Scratch resistant, 2.5D curved glass screen
Multitouch

-

Yes
Display features

3D Touch display, 1000 nits max brightness, always-on display

-

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

-

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

No

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
bluetooth LE

Yes

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, barometer, compass, gyroscope, heart rate

Accelerometer, compass, fingerprint, gyroscope, light, proximity

Main camera
Camera type

-

Dual
Main camera

16 MP, f/2.0 , 1.0 µm
8 MP
Primary camera resolution

-

4608 x 3456 pixels
Primary camera video

-

2160p@30fps
Primary camera flash

-

dual-LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

-

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode