Apple Watch Series 6 (44mm) vs Apple Watch Ultra Specs Comparison

Design

Dimensions
	1.93 x 1.73 x 0.57 inches 49 x 44 x 14.4 mm
Weight
	2.16 oz (61.3 g)
Wrist size
Case fits 140-220 mm wrists
Materials
	Back: Ceramic Frame: Titanium
Materials & Colors
Aluminum: Silver, Space gray, Gold, Blue, Red Stainless steel: Silver, Graphite, Gold Titanium: Titanium, Space black
Resistance
Water (up to 50 meters)	Water, Dust; IP6X; MIL-STD-810 certified
Colors
	Midnight, Starlight, Green, Blue, Red

Display

Size
1.8-inch	1.9-inch
Resolution
448x368px, 326 PPI	502x410px, 338 PPI
Technology
OLED	OLED
Screen-to-body
59.89 %	54.09 %
Peak brightness
1000 cd/m2 (nit)	2000 cd/m2 (nit)
Features
Pressure-sensitive, Scratch-resistant glass (Sapphire), Ambient light sensor	Scratch-resistant glass (Sapphire)

Hardware

System chip
Apple S6	Apple S8
Processor
Dual-core	Dual-core
GPU
PowerVR	PowerVR
RAM
1GB
Internal storage
32GB	32GB
Storage expansion
not expandable	not expandable
OS
watchOS (9.x, 8.x, 7.x, 6.x)	watchOS (9.x)
Compatible devices
Apple iPhone 6s or later with iOS 13 or later

Battery

Capacity
	542 mAh
Type
Li - Ion	Li - Ion
Charging
Magnetic charging	Qi wireless charging

Camera

Connectivity & Features

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

Multimedia

Speakers
Loudspeaker	Multiple speakers
Additional microphone(s)
	Yes

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 25(1900+), 26(850+), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 25(1900+), 26(850+), 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), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM	eSIM

Buyers information

MSRP
$ 529

Availability

Officially announced
Sep 15, 2020	Sep 07, 2022

Alternative variants

non-LTE version

Materials & Colors	Aluminum: Silver, Space gray, Gold, Blue, Red
MSRP	$ 429

Links

Full specifications
Apple Watch Series 6 (44mm) Specs	Apple Watch Ultra Specs
PhoneArena Review
Apple Watch Series 6 (44mm) Review	Apple Watch Ultra Review