Apple Watch 44mm Series 5 Aluminum (LTE) vs vivo X20

Apple Watch 44mm Series 5 Aluminum (LTE)

vivo X20

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 25(1900), 26(850), 39(1900), 40(2300), 41(2500), 66(1700/2100) - global version

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSPA speed

-

HSPA
LTE speed

-

LTE
GPRS

-

Yes
EDGE

-

Yes

Display
Display type

LTPO OLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

1.78 inches

6.01 inches
Resolution

448 x 368 pixels

1080 x 2160 pixels
Pixel density

326 ppi

402 ppi
Display colors

16777216

16777216
Protection

Ion-X strengthened glass

-
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, 802.11ac
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

No

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
QZSS

Yes

-

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Java

-

No
Sensors

Accelerometer, barometer, compass, gyroscope, heart rate

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity