1. NXT Test
  2. Compare

Apple Watch Series 9 Aluminum vs Oppo Watch 4 Pro

Apple Watch Series 9 Aluminum AppleWatch Series 9 Aluminum
VS
Oppo Watch 4 Pro OppoWatch 4 Pro

The third device is shown on desktop screens only

General

Announced
September 2023
August 2023
Released
September 2023
September 2023
Colors
RedPinkSilverStarlightMidnight
BlackSilver

Design

Length
45 mm (45 in)41 mm (41 in)
50.1 mm (1.97 in)
Width
38 mm (45 in)35 mm (41 in)
38.3 mm (1.51 in)
Thickness
10.7 mm (45 in)10.7 mm (41 in)
12.9 mm (0.51 in)
Weight
39 g (45 in)32.1 g (41 in)
52.3 g (1.83 oz)
Materials
Ceramic/sapphire crystal backAluminum frame
Glass frontstainless steel frame

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Electronic SIM (eSIM)
Electronic SIM (eSIM)

Display

Display Type
Retina LTPO OLED
LTPO AMOLED
Size
1.9 Inches (45 in)1.69 Inches (41 in)
1.91 Inches
Resolution
484x396 Pixels (45 in)430x352 Pixels (41 in)
378x496 Pixels
Pixel Density
326 PPI
327 PPI
Brightness Level
2000 Nits (Peak)
—
Display Protection
Ion-X strengthened glass
—
Features
Always-on Display
Same on both

Hardware

Chipset
Apple S9
Qualcomm Snapdragon W5+ Gen 1
Manufacturing Technology
—
4 nm
CPU Type
Dual-core
4 (Quad-core)
CPU
—
1.7 GHz (Cortex-A53)
GPU
PowerVR
Adreno A702
RAM (Memory)
—
2 GB
Internal Storage
64 GB
32 GB
Card Slot
No
No

Software

OS
WatchOS 10
ColorOS Watch 3.0

Camera

Camera
No
No

Connectivity

Wi-Fi
Wi-Fi 4b/g/n
Wi-Fi 4a/b/g/n
Bluetooth
5.3
5.0
On both: LE, A2DP
Location
GPSBDSQZSSGALILEOGLONASS
Same on both
NFC
Yes
Yes

Media

Loudspeaker
Yes
Yes
3.5mm jack
No
No

Other specifications

Sensors
VO2maxAlways-on altimeter
No extras
On both: Accelerometer, Gyroscope, Barometer, Compass, SpO2, Heart Rate, Temperature (body)
Water/Dust Resistant
50m Water ResistantDust Resistant (IP6X)
Yes - Water resistant (5ATM)
Other Features
ECG CertifiedUltra Wideband 2 (UWB)
ECG certified

Charging and Battery

Wireless Charging
Yes
No
Capacity
308 mAh (45 in)282 mAh (41 in)
570 mAh
Battery Type
Lithium Ion
—

BrandsView All

Show More Brands

Top Mobile

New Arrivals

Copyright © 2026 NXT Test. All Rights Reserved
Copyright © 2026 NXT Test. All Rights Reserved