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Apple Watch Series 9 (41mm) vs Apple Watch Series 9 (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	9.0
Apple Watch Series 9 (41mm)	Apple Watch Series 9 (45mm)
Released · Sep 22, 2023	Released · Sep 22, 2023
1.7-inch · 430x352px	1.7-inch · 430x352px
1GB · 64GB	1GB · 64GB
282 mAh	308 mAh
Check prices	Check prices

Design

Dimensions
1.61 x 1.38 x 0.42 inches 41 x 35 x 10.7 mm	1.61 x 1.38 x 0.42 inches 41 x 35 x 10.7 mm
Weight
1.49 oz (42.3 g)	1.82 oz (51.5 g)
Materials
Back: Ceramic Frame: Aluminum	Back: Ceramic Frame: Aluminum
Resistance
Water, Dust; IP6X	Water, Dust; IP6X
Colors
Midnight, Starlight, Green, Blue, Red	Midnight, Starlight, Green, Blue, Red

Display

Size
1.7-inch	1.7-inch
Resolution
430x352px, 329 PPI	430x352px, 329 PPI
Technology
OLED	OLED
Screen-to-body
63.01 %	63.01 %
Peak brightness
1000 cd/m2 (nit)	1000 cd/m2 (nit)

Hardware

System chip
Apple S9	Apple S9
Processor
Dual-core	Dual-core
GPU
PowerVR	PowerVR
RAM
1GB	1GB
Internal storage
64GB	64GB
Storage expansion
not expandable	not expandable
OS
watchOS (10.x)	watchOS (10.x)

Battery

Capacity
282 mAh	308 mAh
Type
Li - Ion	Li - Ion
Charging
Qi wireless charging	Qi wireless charging

Camera

Connectivity & Features

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

Multimedia

Speakers
Loudspeaker	Loudspeaker
Additional microphone(s)
Yes	Yes

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 39(1900+), 40(2300), 41(2600+)	Bands 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM	eSIM

Availability

Officially announced
Sep 12, 2023	Sep 12, 2023

Links

Full specifications
Apple Watch Series 9 (41mm) Specs	Apple Watch Series 9 (45mm) Specs
PhoneArena Review
Apple Watch Series 9 (41mm) Review	Apple Watch Series 9 (45mm) Review