Apple Watch Series 7 (45mm) vs Apple Watch Series 8 (41mm) vs Apple Watch Series 10 (42mm) 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 7 (45mm)	Apple Watch Series 8 (41mm)	Apple Watch Series 10 (42mm)
Released · Oct 15, 2021	Released · Sep 16, 2022	Released · Sep 20, 2024
448 x 368 px	1.7-inch · 430 x 352 px	446 x 374 px
1GB · 32GB	1GB · 32GB	1GB · 64GB
	282 mAh
		Check prices

Display

Size
	1.7-inch
Resolution
448 x 368 px	430 x 352 px, 329 PPI	446 x 374 px, 329 PPI
Technology
OLED	OLED	OLED
Screen-to-body
	63.01 %
Peak brightness
	1000 cd/m2 (nit)	2000 cd/m2 (nit)

Hardware

System chip
Apple S7	Apple S8	Apple S10
Processor
Dual-core	Dual-core	Dual-core
GPU
PowerVR	PowerVR	PowerVR
RAM
1GB	1GB	1GB
Internal storage
32GB, not expandable	32GB (eMMC 5.1), not expandable	64GB, not expandable
OS
watchOS (9.x, 8.x)	watchOS (9.x)	watchOS (10.x)
Device type
Smartwatch	Smartwatch	Smartwatch

Battery

Capacity
	282 mAh
Type
Li - Ion, Not user replaceable	Li - Ion, Not user replaceable	Li - Ion, Not user replaceable
Charging
Qi wireless charging	Qi wireless charging	Qi wireless charging

Camera

Design

Dimensions
	1.61 x 1.38 x 0.42 inches (41 x 35 x 10.7 mm)	1.65 x 1.42 x 0.38 inches (42 x 36 x 9.7 mm)
Weight
1.34 oz(38.0 g)	1.13 oz(32.0 g)	1.06 oz(30.0 g)
Materials
Back: Aluminum	Back: Ceramic Frame: Aluminum	Back: Ceramic Frame: Aluminum
Resistance
Water, Dust; IP6X	Water, Dust; IP6X	Water, Dust; IP6X
Colors
Midnight, Starlight, Green, Blue, Red	Midnight, Starlight, Green, Blue, Red

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)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM	eSIM	eSIM

Multimedia

Speakers
Loudspeaker	Loudspeaker	Loudspeaker
Additional microphone(s)
Yes	Yes	Yes

Connectivity & Features

Bluetooth
5.0	5.0	5.3
Wi-Fi
802.11 b,g,n	802.11 b,g,n	802.11 b,g,n
Location
A-GPS, Glonass, Galileo, BeiDou, QZSS	A-GPS, Glonass, Galileo, BeiDou, QZSS	A-GPS, Glonass, Galileo, BeiDou
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer, Blood Oxygen	Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen	Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
Other
	NFC	NFC, Ultra Wideband (UWB)

Availability

Officially announced
Sep 14, 2021	Sep 07, 2022

Alternative variants

With Stainless Steel case


Weight	1.82 oz(51.5 g)
Materials	Back: Stainless steel

GPS Only


Weight	1.06 oz(30.0 g)

With titanium case


Weight	1.59 oz(45.1 g)
Materials	Back: Titanium

With stainless steel frame


Weight	1.49 oz(42.3 g)
Materials	Back: Stainless steel

With Titanium frame


Weight	1.21 oz(34.4 g)
Materials	Frame: Titanium

Links

Full specifications
Apple Watch Series 7 (45mm) Specs	Apple Watch Series 8 (41mm) Specs	Apple Watch Series 10 (42mm) Specs
PhoneArena Review
Apple Watch Series 7 (45mm) Review	Apple Watch Series 8 (41mm) Review