Apple Watch 40mm Series 4 vs Xiaomi Mi 9T

Apple Watch 40mm Series 4

Xiaomi Mi 9T

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)
HSDPA speed

-

42 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Stainless Steel frame; all-ceramic/sapphire crystal back

Aluminium alloy, glass
SIM

Electronic SIM card (Apple e-SIM)

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

40 mm

156.7 mm
Width

34 mm

74.3 mm
Thickness

10.7 mm

8.8 mm
Weight

40 g

191 g
Waterproof

50m

-
Colors

Black, Gold, Silver

Black, Blue, Red

Display
Display type

LTPO AMOLED

Super AMOLED capacitive touchscreen
Physical size

1.57 inches

6.39 inches
Resolution

394 x 324 pixels

1080 x 2340 pixels
Pixel density

326 ppi

403 ppi
Display colors

16777216

16777216
Protection

Sapphire crystal glass

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Multitouch

Yes

Yes
Display features

3D Touch display, 1000 nits

HDR10, Always-On display

Main camera
Camera type

-

Triple
Primary camera

No

-
Main camera

48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, 2x optical zoom
8 MP, f/2.2 , 53 mm, 1/4" , 1.12 µm
13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

-

2160p@30fps, 1080p@30/120/240fps, 1080p@960fps
Primary camera flash

-

dual-LED flash
Camera features

-

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

Connectivity
WLAN

Wi-Fi 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
USB

No

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
QZSS

Yes

-

Features
Sensors

Accelerometer, barometer, gyro (second gen), heart rate

Accelerometer, barometer, compass, fingerprint, gyroscope, hall, light, proximity, step detector, step counter