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Apple Watch Series 5 vs Apple Watch Series 7 Aluminum

Apple Watch Series 5 AppleWatch Series 5
VS
Apple Watch Series 7 Aluminum AppleWatch Series 7 Aluminum

The third device is shown on desktop screens only

General

Announced
September 2019
September 2021
Released
September 2019
October 2021
Colors
Space BlackSilverGold
BlueGreenRedStarlightMidnight

Design

Length
44 mm (44 in)40 mm (40 in)
45 mm (45 in)41 mm (41 in)
Width
38 mm (44 in)34 mm (40 in)
38 mm (45 in)35 mm (41 in)
Thickness
10.7 mm (44 in)10.7 mm (40 in)
10.7 mm (45 in)10.7 mm (41 in)
Weight
47.8 g (44 in)39.8 g (40 in)
38.8 (45 in)32 (41 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)
1.9 Inches (45 in)1.69 Inches (41 in)
Resolution
448x368 Pixels (44 in)394x324 Pixels (40 in)
484x396 Pixels (45 in)430x352 Pixels (41 in)
Screen Ratio
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 S7
CPU Type
Dual-core
Dual-core
GPU
PowerVR
PowerVR
RAM (Memory)
1 GB
—
Internal Storage
32 GB
32 GB

Software

OS
watchOS
WatchOS
Version
6.0
8.0
Update To
7.3
8.1

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
No extras
BDS
On both: GPS, A-GPS, GLONASS, GALILEO, QZSS
NFC
Yes
Yes

Media

Loudspeaker
Yes
Yes
3.5mm jack
No
No

Other specifications

Sensors
Heart Rate (2nd gen)
Always-on altimeterHeart RateSpO2VO2max
On both: Accelerometer, Gyroscope, Barometer, Compass
Water/Dust Resistant
Yes - 50m water resistant
Yes - 50m water resistant (IP6X)
Other Features
ECG certified (region dependent SW application; HW available on all models)
ECG CertifiedUltra Wideband (UWB)

Charging and Battery

Wireless Charging
Yes
Yes
Capacity
296 mAh (44 in)245 mAh (40 in)
309 mAh (45 in)284 mAh (41 in)

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Copyright © 2026 NXT Test. All Rights Reserved