Apple Watch 40mm Series 4 vs Xiaomi Redmi K30

Apple Watch 40mm Series 4

Xiaomi Redmi K30

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA

HSDPA 850, 900, 2100; CDMA2000 1xEV-DO
4G network

LTE

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

-

42 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE-A
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)

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

40 mm

165.3 mm
Width

34 mm

76.6 mm
Thickness

10.7 mm

8.8 mm
Weight

40 g

208 g
Waterproof

50m

-
Colors

Black, Gold, Silver

Blue, Purple, Red

Display
Display type

LTPO AMOLED

IPS LCD capacitive touchscreen
Physical size

1.57 inches

6.67 inches
Resolution

394 x 324 pixels

1080 x 2400 pixels
Pixel density

326 ppi

395 ppi
Display colors

16777216

16777216
Protection

Sapphire crystal glass

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

Yes

Yes
Display features

3D Touch display, 1000 nits

HDR10, 120Hz sampling rate

Main camera
Camera type

-

Quad
Primary camera

No

-
Main camera

64 MP, f/1.9 , 26 mm, 1/1.7" , 0.8 µm
8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

-

9248 x 6944 pixels
Primary camera video

-

2160p@30fps, 1080p@30/120fps, 720p@960fps
Primary camera flash

-

dual LED flash
Camera features

-

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

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
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
QZSS

Yes

-

Features
Sensors

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

Accelerometer, barometer, compass, geomagnetic, gravity, gyroscope, pedometer, proximity, light, side-mounted fingerprint sensor