Apple Watch 1st Gen 42mm
- vs -
Apple Watch Series 9 45mm Stainless Steel

Product comparison

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Device Information

Silver, Space Grey, Gold, Rose Gold Colours Gold, Silver, Graphite
8 GB Storage 64 GB
0.50 GB Memory 1.00 GB
Watch OS Operating System Watch OS
399 $ / 449 € Price from 749 $ / 849 €
Q2/2015 Release Date Q3/2023

Dimensions / Housing

Rectangular Display form Rectangular
42.0 mm Height 45.0 mm
35.9 mm Width 38.0 mm
10.5 mm Depth 10.7 mm
30 g Weight 52 g
Aluminum Housing Material Stainless Steel
Waterproof 50m Water Resistance Waterproof 50m
-- MIL Standard --

Processor

Apple S1 Name Apple S9
Apple Manufacturer Apple
1 / 1 Cores / Threads 2 / 2
0.52 (0.52) GHz Frequency 0.00 GHz
28 nm Structure 3 nm
S1 Architecture S9
Q2/2015 Release Date Q3/2023

Screen

1.5 inch Size 1.9 inch
OLED Technology OLED
Glass (Ion-X) Glas Type Sapphire Glass
312x390 (326 ppi) Resolution 396x484 (326 ppi)
450 nits Brightness 2000 nits
No Always On Display Yes

Battery

Rechargeable Battery Type Rechargeable Battery
246.00 Wh Capacity 308.00 Wh
No Solar module No
24.00 h Battery Life 18.00 h
Magnetic Charging Charging Magnetic Charging

Connectivity

802.11n (Wi-Fi 4) Wireless LAN 802.11n (Wi-Fi 4)
Bluetooth 4.0 Bluetooth Bluetooth 5.3
-- SIM card eSIM
-- Cellular 4G (LTE)
Yes NFC Yes
No ANT+ No
No UWB Yes
-- Ports --

Sensors

Yes Acceleration Yes
No Barometer Yes
No Thermometer Yes
Yes Gyroscope Yes
Yes GPS Yes
No Compass Yes

Measurement Functions

Yes Hear Rate Yes
No ECG Yes
No Blood Pressure No
No Blood Oxygen Yes
No Skin Temperature Yes

Manufacturer

A1554 Part-no A2984, A2985
Link to manufacturer Datasheet Link to manufacturer

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