Compare models
Model

Apple Watch SE 40mm Cellular

Compare Apple Watch SE 40mm Cellular and Oukitel C21 Pro

Apple Watch SE 40mm Cellular vs Oukitel C21 Pro

Apple Watch SE 40mm Cellular

Apple Watch SE 40mm Cellular

Oukitel C21 Pro

Oukitel C21 Pro

Apple Watch SE 40mm Cellular

Oukitel C21 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 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, 3, 7, 8, 19, 20
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE, 301 Mbps download, 150 Mbps upload
GPRS

-

Yes
EDGE

-

Yes

Availability
Status

2020-09

2021-06
Oficially announced

2020-09

2021-06

Design
Build

Glass front, ceramic/sapphire crystal back, aluminum frame

Plastic
SIM

eSIM

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

40 mm

162 mm
Width

34 mm

75 mm
Thickness

10.4 mm

9 mm
Weight

30.7 g

192 g
Waterproof

50 m

-
Colors

Gray, Gold, Silver

Black, Green, Purple

Display
Display type

Retina LTPO OLED

IPS LCD
Physical size

1.57 inches

6.39 inches
Resolution

394 x 324 pixels

720 x 1560 pixels
Pixel density

326 ppi

269 ppi
Display colors

16777216

16777216
Protection

Ion-X strengthened glass

Scratch resistant, 2.5D curved glass screen
Display features

1000 nits (peak), 3D Touch display

-

Hardware
CPU

-

Octa-core
CPU

Dual-core

Quad-core 1.8 GHz Cortex-A53
CPU(second)

quad-core 1.5 GHz Cortex-A53
Chipset

Apple S5

MediaTek Helio P22 (MT6762D)
GPU

PowerVR

PowerVR GE8320
Internal storage

32 GB

64 GB
Memory RAM

1 GB

4 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

256 GB

OS
OS

watchOS 7.0, upgradable to 7.1

Android 11

Sound
3.5mm jack

No

No
Loudspeaker

Yes

Yes
Earpiece

-

Yes

Multimedia
Radio

No

FM Radio

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
USB

No

Type-C 2.0
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes

Features
Sensors

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

Accelerometer, fingerprint, light, proximity

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

-

4000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

-

Yes
Wireless charging

Yes

-
Talk time 4G

-

10 h
Standby time

18 h

-
Standby time 4G

-

360 h

Cost
Price

410 USD

130 USD

Main camera
Camera type

-

Triple
Main camera

12 MP, f/2.2 , 1/2.55"
(macro) , 2 MP, f/2.2 , 76˚ , 1/5" , 1.75 µm
(depth) , 0.3 MP
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

-

1080p@30fps
Primary camera flash

-

LED flash
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, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

-

Single
Selfie camera

8 MP, f/2.2 , 81˚ , 1/4" , 1.12 µm
Selfie camera resolution

-

3264 x 2448 pixels
Selfie camera features

-

Face unlock
Selfie camera video

-

1080p@30fps

Browser
HTML

-

HTML5

Tests and performance
Antutu

-

95488 (v8)
Geekbench(single-core)

-

154 (v5.2)
Geekbench(multi-core)

-

741 (v5.2)

SAR value
SAR EU(head)

-

0.75 W/kg
SAR EU(body)

-

1.16 W/kg

Apple Watch SE 40mm Cellular comparisons

latest Apple models

other Apple models

Oukitel C21 Pro comparisons

latest Oukitel models

other Oukitel models