Samsung Galaxy Watch 4 44mm vs vivo V15

Samsung Galaxy Watch 4 44mm

vivo V15

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 850, 900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)
GPRS

-

Yes
EDGE

-

Yes

Display
Display type

Super AMOLED

IPS LCD capacitive touchscreen
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, Corning Gorilla Glass 5
Multitouch

-

Yes
Display features

Always-on display

-

Main camera
Camera type

-

Triple
Primary camera

No

-
Main camera

12 MP, f/1.8
8 MP, f/2.2 , 13 mm
5 MP, f/2.4
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

-

2160p@30fps, 1080p@30fps
Primary camera flash

-

LED 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

Connectivity
WLAN

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

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

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

No

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

Yes