Apple Watch Series 3 (42mm) vs Apple Watch Series 1 (42mm) Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.0
Apple Watch Series 3 (42mm)
Apple Watch Series 3 (42mm) Apple Watch Series 1 (42mm)
Released · 2017
Released · April 2015
1.6-inch · 390 x 312 px
1.6-inch · 390 x 312 px
768GB · 16GB
0.5GB · 8GB
341 mAh
250 mAh

Display

Size
1.6-inch 1.6-inch
Resolution
390 x 312 px, 303 PPI 390 x 312 px, 303 PPI
Technology
OLED OLED
Screen-to-body
55.61 % 55.61 %
Peak brightness
1000 cd/m2 (nit) 450 cd/m2 (nit)
Features
Pressure-sensitive, Scratch-resistant glass (Sapphire) Pressure-sensitive, Ambient light sensor

Hardware

System chip
Apple S3 Apple S1P (28 nm)
Processor
Dual-core Dual-core, 520 MHz, Cortex-A7
GPU
PowerVR PowerVR G6200
RAM
768GB 0.5GB
Internal storage
16GB 8GB, not expandable
OS
watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x) watchOS (6.x, 5.1, 5, 4.x, 3.x)
Device type
Smartwatch Smartwatch

Battery

Capacity
341 mAh 250 mAh
Type
Not user replaceable Not user replaceable
Charging
Qi wireless charging Magnetic charging

Camera

Design

Dimensions
1.67 x 1.43 x 0.45 inches
(42.5 x 36.4 x 11.4 mm)
1.67 x 1.43 x 0.41 inches
(42.5 x 36.4 x 10.5 mm)
Weight
1.86 oz(52.8 g) 0.88 oz(25.0 g)
Materials
Back: Ceramic
Frame: Stainless steel
Back: Plastic
Frame: Aluminum
Resistance
Water, Dust Yes; IPX7
Colors
Space Black, Silver Silver, Gold, Rose Gold, Gray

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+)
3G
Bands 1(2100), 5(850), 8(900)
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM

Multimedia

Headphones
No 3.5mm jack
Speakers
Loudspeaker Loudspeaker

Connectivity & Features

Bluetooth
4.2 4.0
Wi-Fi
802.11 b,g,n 802.11 b,g,n
Location
A-GPS, Glonass
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer Accelerometer, Gyroscope, Heart rate
Other
NFC NFC
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