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Model

Apple Watch Series 7 45mm Cellular

Compare Apple Watch Series 7 45mm Cellular and Oppo A1k

Apple Watch Series 7 45mm Cellular vs Oppo A1k

Apple Watch Series 7 45mm Cellular

Apple Watch Series 7 45mm Cellular

Oppo A1k

Apple Watch Series 7 45mm Cellular

Oppo A1k

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

WCDMA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)
LTE speed

-

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
GPRS

-

Yes
EDGE

-

Yes

Availability
Status

2021-10

2019-5
Oficially announced

2021-09

2019-4

Design
Build

Glass front, ceramic/sapphire crystal back, stainless steel frame

Plastic body
SIM

eSIM

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

45 mm

154.5 mm
Width

38 mm

73.8 mm
Thickness

10.7 mm

8.4 mm
Weight

51.5 g

170 g
Waterproof

IP6X (50m)

-
Dust proof

IP6X

-
Colors

Graphite, Gold, Silver

Black, Red

Display
Display type

Retina LTPO OLED

IPS capacitive touchscreen
Physical size

1.9 inches

6.1 inches
Resolution

484 x 396 pixels

720 x 1560 pixels
Pixel density

326 ppi

282 ppi
Display colors

16777216

16777216
Protection

Sapphire crystal glass

2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3
Multitouch

-

Yes
Display features

Always-on display, 1000 nits (peak)

-

Hardware
CPU

-

Octa-core
CPU

Dual-core

Quad-core 2 GHz Cortex-A53
CPU(second)

quad-core 1.5 GHz Cortex-A53
Chipset

Apple S7

Mediatek Helio P22 (MT6762)
GPU

PowerVR

PowerVR GE8320
Internal storage

32 GB

32 GB
Memory RAM

-

2 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

256 GB

OS
OS

watchOS 8.0, upgradable to 8.1

ColorOS 6.0 (Android 9.0 Pie)

Sound
3.5mm jack

No

Yes
Loudspeaker

Yes

Yes
Earpiece

-

Yes

Multimedia
Radio

No

No

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

-
USB

No

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, always-on altimeter, barometer, compass, gyroscope, heart rate, SpO2, VO2max

Accelerometer, proximity, light, compass, fingerprint

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

309 mAh

4000 mAh
Battery removable

Non-removable

Non-removable
Wireless charging

Yes

-

SAR value
SAR(head)

0.96 W/kg

-
SAR EU(head)

0.55 W/kg

-
SAR EU(body)

0.50 W/kg

-

Cost
Price

770 USD

-

Main camera
Camera type

-

Single
Main camera

8 MP, f/2.2 , 1/3.2" , 1.4 µm
Primary camera resolution

-

3264 x 2448 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, phase detection

Selfie camera
Selfie camera

5 MP, f/2 , 1/5" , 1.12 µm
Selfie camera resolution

-

2560 x 1920 pixels
Selfie camera video

-

720p@30fps

Browser
HTML

-

HTML5

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