Apple Watch Series 7 (45mm) vs Apple Watch Series 10 (42mm) Specs Comparison

Display

Resolution
448 x 368 px	446 x 374 px, 329 PPI
Technology
OLED	OLED
Peak brightness
	2000 cd/m2 (nit)

Hardware

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

Battery

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

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

N/A

Overall

N/A

Photo

N/A

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
	1.65 x 1.42 x 0.38 inches (42 x 36 x 9.7 mm)
Weight
1.34 oz(38.0 g)	1.06 oz(30.0 g)
Materials
Back: Aluminum	Back: Ceramic Frame: Aluminum
Resistance
Water, Dust; IP6X	Water, Dust; IP6X
Colors
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)
4G (TDD)
	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-A, HSDPA+ (4G) 42.2 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM	eSIM

Multimedia

Speakers
Loudspeaker	Loudspeaker
Additional microphone(s)
Yes	Yes

Connectivity & Features

Bluetooth
5.0	5.3
Wi-Fi
802.11 b,g,n	802.11 b,g,n
Location
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
Other
	NFC, Ultra Wideband (UWB)

Availability

Officially announced
Sep 14, 2021

Links

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