Apple Watch Series 6 Aluminum 44mm Cellular vs vivo Y81i

Apple Watch Series 6 Aluminum 44mm Cellular

vivo Y81i

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66

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

-

21.1 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE-A (2CA), Cat7, 300 Mbps download, 150 Mbps upload
GPRS

-

Yes
EDGE

-

Yes

Design
Build

Glass front, ceramic/sapphire crystal back, aluminum frame

Front glass, plastic body
SIM

eSIM

Dual SIM (Nano-SIM, dual stand-by)
Height

44 mm

155.1 mm
Width

38 mm

75 mm
Thickness

10.4 mm

7.8 mm
Weight

36.5 g

143 g
Waterproof

50 m

-
Colors

Blue, Gray, Gold, Red, Silver

Black, Red

Features
Sensors

Accelerometer, always-on altimeter, barometer, compass, gyroscope, heart rate, SpO2, VO2max

Accelerometer, compass, light, proximity

Main camera
Main camera

13 MP, f/2.2
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

-

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

Apple Watch Series 6 Aluminum 44mm Cellular comparisons