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Apple Watch Series 5 vs Apple Watch Series 6 Aluminum

Apple Watch Series 5 AppleWatch Series 5
VS
Apple Watch Series 6 Aluminum AppleWatch Series 6 Aluminum

The third device is shown on desktop screens only

General

Announced
September 2019
September 2020
Released
September 2019
September 2020
Colors
Space Black
Space GreyBlueRed
On both: Silver, Gold

Design

Length
44 mm (44 in)40 mm (40 in)
Same on both
Width
38 mm (44 in)34 mm (40 in)
Same on both
Thickness
10.7 mm (44 in)10.7 mm (40 in)
10.4 mm (44 in)10.4 mm (40 in)
Weight
47.8 g (44 in)39.8 g (40 in)
36.5 (44 in)30.5 (40 in)
Materials
Glass front (Sapphire crystal)Ceramic/sapphire crystal backStainless steel frame
Glass frontCeramic/sapphire crystal backAluminum 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
Retina LTPO OLED
Size
1.78 Inches (44 in)1.57 Inches (40 in)
Same on both
Resolution
448x368 Pixels (44 in)394x324 Pixels (40 in)
Same on both
Screen Ratio
60.0%
60.0%
Pixel Density
326 PPI
326 PPI
Brightness Level
1000 Nits
1000 Nits
Display Protection
Sapphire Crystal Glass
Ion-X strengthened glass
Features
3D Touch displayAlways-on Display
Always-on Display

Hardware

Chipset
Apple S5
Apple S6
CPU Type
Dual-core
Dual-core
GPU
PowerVR
PowerVR
RAM (Memory)
1 GB
1 GB
Internal Storage
32 GB
32 GB

Software

OS
watchOS
WatchOS
Version
6.0
7.0
Update To
7.3
7.3

Camera

Camera
No
No

Connectivity

Wi-Fi
Wi-Fi 802.11b/g/n
Wi-Fi 802.11b/g/nDual-band
Bluetooth
5.0A2DPLE
Same on both
Location
GPSA-GPSGLONASSGALILEOQZSS
Same on both
NFC
Yes
Yes

Media

Loudspeaker
Yes
Yes
3.5mm jack
No
No

Other specifications

Sensors
No extras
Always-on altimeterSpO2VO2max
On both: Accelerometer, Gyroscope, Heart Rate (2nd gen), Barometer, Compass
Water/Dust Resistant
Yes - 50m water resistant
Yes - 50m water resistant
Other Features
ECG certified (region dependent SW application; HW available on all models)
ECG certified

Charging and Battery

Wireless Charging
Yes
Yes
Capacity
296 mAh (44 in)245 mAh (40 in)
303.8 mAh (44 in)265.9 mAh (40 in)

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Copyright © 2026 NXT Test. All Rights Reserved