Apple Watch Ultra 2 vs Apple Watch Series 7 (45mm) Specs Comparison

Availability

Officially announced
Sep 12, 2023	Sep 14, 2021

Design

Weight
	1.34 oz / 38.0 g
Materials
Back: Ceramic Frame: Titanium	Back: Aluminum
Resistance
Water, Dust; IP6X; MIL-STD-810 certified	Water, Dust; IP6X
Colors
	Midnight, Starlight, Green, Blue, Red

Display

Size
1.9-inch
Type
OLED, 3000 nits	OLED
Resolution
502x410px, 338 PPI	448x368px
Protection
Sapphire

Hardware

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

Battery

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

Connectivity & Features

Bluetooth
5.3	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
Multiple speakers	Loudspeaker
Additional microphone(s)
Yes	Yes

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 25, 26, 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-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

Links

Full specifications
Apple Watch Ultra 2 Specs	Apple Watch Series 7 (45mm) Specs
PhoneArena Review
	Apple Watch Series 7 (45mm) Review