Apple Watch SE (44mm) vs Apple Watch Series 3 (38mm) Specs Comparison

Availability

Officially announced
Sep 15, 2020
MSRP
$ 359

Design

Dimensions
	1.52 x 1.31 x 0.45 inches 38.6 x 33.3 x 11.4 mm
Weight
	1.50 oz (42.4 g)
Wrist size
Case fits 140-220 mm wrists
Materials
	Back: Ceramic Frame: Stainless steel
Materials & Colors
Aluminum: Silver, Space gray, Gold
Resistance
Water (up to 50 meters)	Water, Dust
Colors
	Space Black, Silver

Display

Size
1.8-inch	1.5-inch, 55.12% screen-to-body
Type
OLED, 1000 nits	OLED, 1000 nits
Resolution
448x368px, 326 PPI	340x272px, 290 PPI
Protection
Sapphire	Sapphire
Features
Pressure-sensitive, Scratch-resistant glass, Ambient light sensor	Pressure-sensitive, Scratch-resistant glass

Hardware

System chip
Apple S5	Apple S3
Processor
Dual-core	Dual-core
GPU
PowerVR	PowerVR
Memory
1GB/32GB	768GB/16GB
Storage expansion
not expandable
OS
watchOS (9.x, 8.x, 7.x)	watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x)
Compatible devices
Apple iPhone 6s or later with iOS 13 or later

Battery

Type
Li - Ion	279 mAh
Charging
Magnetic charging	Qi wireless charging

Camera

Connectivity & Features

Bluetooth
5.0	4.2
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, Ambient light sensor	Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer
Location
GPS, Glonass	A-GPS, Glonass
Other
NFC	NFC

Multimedia

Headphones
	No 3.5mm jack
Speakers
Loudspeaker	Loudspeaker

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 66(AWS-3)	Bands 1, 3, 5, 7, 8, 18, 19, 20, 26
4G (TDD)
Bands 39, 40, 41
3G
Bands 1, 2, 4, 5	Bands 1, 5, 8
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM	eSIM

Alternative variants

non-LTE version

MSRP	$ 309

Links

Full specifications
Apple Watch SE (44mm) Specs	Apple Watch Series 3 (38mm) Specs
PhoneArena Review
Apple Watch SE (44mm) Review	Apple Watch Series 3 (38mm) Review