Apple Watch 40mm Series 4 vs Xiaomi Redmi K20 Pro

Apple Watch 40mm Series 4

Xiaomi Redmi K20 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900, CDMA 800
3G network

HSDPA

HSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000
4G network

LTE

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

-

42 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
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 SIM 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

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6
Multitouch

Yes

Yes
Display features

3D Touch display, 1000 nits

HDR 10, 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/2.4 , 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@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, phase detection, macro mode, RAW, laser autofocus
DxOMark photo

-

108
DxOMark video

-

89
DxOMark camera score

-

102

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 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes (L1+L5), with A-GPS
GLONASS

Yes

GLONASS (L1)
GALILEO

Yes

Galileo (E1+E5a)
Beidou

-

Yes
QZSS

Yes

-

Features
Sensors

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

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