Apple Watch 40mm Series 4 vs Xiaomi Mi 9 Pro 5G

Apple Watch 40mm Series 4

Xiaomi Mi 9 Pro 5G

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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), 12(700), 17(700), 41(2500) - China
5G network

-

5G SA, NSA, Sub6, mmWave; N41, N78, N79
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE-A (7CA) Cat20, 2048 Mbps download, 150 Mbps upload
5G speed

-

2+ Gbps download
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

157.2 mm
Width

34 mm

74.6 mm
Thickness

10.7 mm

8.5 mm
Weight

40 g

196 g
Waterproof

50m

-
Colors

Black, Gold, Silver

Black, White

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 6, Oleophobic coating
Multitouch

Yes

Yes
Display features

3D Touch display, 1000 nits

HDR10, DCI-P3

Main camera
Camera type

-

Triple
Primary camera

No

-
Main camera

48 MP, f/1.8 , 27 mm, 1/2" , 0.8 µm, 2x optical zoom
12 MP, f/2.2 , 54 mm, 1/3.6" , 1.0 µm
16 MP, f/2.2 , 13 mm, 1/3.0" , 1.0 µm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

-

2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Primary camera flash

-

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

Yes

Features
Sensors

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

Accelerometer, compass, fingerprint, gravity, gyroscope, hall, proximity, step counter, step detector, ultrasonic distance sensor, in-display fingerprint sensor
Power bank function

-

Yes