Apple Watch Series 9 (41mm) vs Apple Watch Series 7 (45mm) Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

9.0
Apple Watch Series 9 (41mm)
9.0
Apple Watch Series 7 (45mm)
Apple Watch Series 9 (41mm) Apple Watch Series 7 (45mm)
Released · Sep 22, 2023
Released · Oct 15, 2021
1.7-inch
1GB · 64GB
1GB · 32GB
282 mAh

Availability

Officially announced
Sep 12, 2023 Sep 14, 2021

Design

Dimensions
1.61 x 1.38 x 0.42 inches
41 x 35 x 10.7 mm
Weight
1.49 oz (42.3 g) 1.34 oz (38.0 g)
Materials
Back: Ceramic
Frame: Aluminum
Back: Aluminum
Resistance
Water, Dust; IP6X Water, Dust; IP6X
Colors
Midnight, Starlight, Green, Blue, Red Midnight, Starlight, Green, Blue, Red

Display

Size
1.7-inch, 63.01% screen-to-body
Type
OLED, 1000 nits OLED
Resolution
430x352px, 329 PPI 448x368px

Hardware

System chip
Apple S9 Apple S7
Processor
Dual-core Dual-core
GPU
PowerVR PowerVR
Memory
1GB/64GB 1GB/32GB
Storage expansion
not expandable not expandable
OS
watchOS (10.x) watchOS (9.x, 8.x)

Battery

Type
282 mAh, Li - Ion Li - Ion
Charging
Qi wireless charging Qi wireless charging

Camera

Connectivity & Features

Bluetooth
Yes 5.0
WLAN
b,g,n
802.11 b, g, n
b,g,n
802.11 b, g, n
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer, Blood Oxygen
Location
A-GPS, Glonass, Galileo, BeiDou, QZSS A-GPS, Glonass, Galileo, BeiDou, QZSS
Other
NFC, Ultra Wideband (UWB)

Multimedia

Speakers
Loudspeaker Loudspeaker
Additional microphone(s)
Yes Yes

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66
4G (TDD) Bands
39, 40, 41
3G Bands
1, 2, 4, 5 1, 2, 4, 5
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM eSIM

Alternative variants

With Stainless Steel case
Weight 1.82 oz (51.5 g)
Materials Back: Stainless steel
With titanium case
Weight 1.59 oz (45.1 g)
Materials Back: Titanium
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