Samsung Galaxy Watch 4 Classic 46mm vs UMIDIGI F2

Samsung Galaxy Watch 4 Classic 46mm

UMIDIGI F2

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100

W-CDMA 800, 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920, 2010-2025
4G network

LTE frequency band 1, 3, 5, 7, 8, 20

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
LTE speed

-

LTE Cat 7/Cat13
GPRS

-

Yes
EDGE

-

Yes

Design
Build

Glass front (Gorilla Glass DX), stainless steel frame 316L or titanium frame

Plastic, glass
SIM

eSIM

Dual SIM (Nano-SIM)
Height

41.5 mm

162.6 mm
Width

41.5 mm

77.7 mm
Thickness

11.2 mm

8.7 mm
Weight

46.5 g

-
Payment

Samsung Pay

-
Waterproof

IP68, 50m

-
MIL-STD-810G

Yes

-
Colors

Black, Silver

Black, Blue

Display
Display type

Super AMOLED

S-IPS
Physical size

1.4 inches

6.53 inches
Resolution

450 x 450 pixels

1080 x 2340 pixels
Pixel density

330 ppi

395 ppi
Display colors

-

16777216
Protection

Corning Gorilla Glass DX

Scratch resistant, 2.5D curved glass screen
Multitouch

-

Yes
Display features

Rotating bezel, Always-on display

-

Main camera
Camera type

-

Quad
Primary camera

No

-
Main camera

48 MP, f/1.79 , 1/2" , 1.6 µm
13 MP, f/2.2
5 MP
5 MP
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

-

1080@30fps
Primary camera flash

-

dual LED flash
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

Connectivity
WLAN

Wi-Fi 802.11a, 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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

No

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

-

Yes
BDS

Yes

-

Features
Sensors

Accelerometer, barometer, gyro, heart rate

Accelerometer, compass, fingerprint, gyroscope, proximity, light, side-mounted capacitive fingerprint sensor