Apple Watch Series 7 (41mm) vs Apple Watch Series 8 (41mm) Specs Comparison

Availability

Officially announced
Sep 14, 2021	Sep 07, 2022

Design

Dimensions
	1.61 x 1.38 x 0.42 inches 41 x 35 x 10.7 mm
Weight
1.13 oz (32.0 g)	1.13 oz (32.0 g)
Materials
Back: 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, 63.01% screen-to-body
Type
OLED	OLED, 1000 nits
Resolution
448x368px	430x352px, 329 PPI

Hardware

System chip
Apple S7	Apple S8
Processor
Dual-core	Dual-core
GPU
PowerVR	PowerVR
Memory
1GB/32GB	1GB/32GB (eMMC 5.1)
Storage expansion
not expandable	not expandable
OS
watchOS (9.x, 8.x)	watchOS (9.x)

Battery

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

Camera

Connectivity & Features

Bluetooth
5.0	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, Barometer, Blood Oxygen	Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
Location
A-GPS, Glonass, Galileo, BeiDou, QZSS	A-GPS, Glonass, Galileo, BeiDou, QZSS
Other
	NFC

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-A, HSDPA+ (4G) 42.2 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM	eSIM

Alternative variants

With Stainless Steel case

Weight	1.49 oz (42.3 g)
Materials	Back: Stainless steel
Colors	Graphite, Silver, Gold

With Titanium case

Weight	1.31 oz (37.0 g)

With stainless steel frame

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

Links

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