Apple Watch Series 4 (40mm) vs Apple Watch Series 4 (44mm) 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.

Apple Watch Series 4 (40mm) Apple Watch Series 4 (44mm)
Released · September 2018
Released · September 2018
1.6-inch · 394x324px
1.8-inch · 448x368px
1GB · 16GB
1GB · 16GB
225 mAh
292 mAh

Design

Dimensions
1.57 x 1.34 x 0.42 inches
40.0 x 34.0 x 10.7 mm
1.73 x 1.50 x 0.42 inches
44.0 x 38.0 x 10.7 mm
Weight
1.06 oz (30.1 g) 1.29 oz (36.7 g)
Materials
Frame: Aluminum Frame: Aluminum
Resistance
Water Water
Colors
Silver, Black Silver, Black

Display

Size
1.6-inch, 57.48% screen-to-body 1.8-inch, 59.89% screen-to-body
Type
OLED, 1000 nits OLED, 1000 nits
Resolution
394x324px, 325 PPI 448x368px, 326 PPI
Protection
Sapphire Sapphire
Features
Pressure-sensitive, Scratch-resistant glass, Ambient light sensor Pressure-sensitive, Scratch-resistant glass, Ambient light sensor

Hardware

System chip
Apple S4 (7 nm) Apple S4 (7 nm)
Processor
Dual-core Dual-core
GPU
Apple G11M Apple G11M
Memory
1GB/16GB 1GB/16GB
Storage expansion
not expandable not expandable
OS
watchOS (9.x, 8.x, 7.x, 6.x, 5) watchOS (9.x, 8.x, 7.x, 6.x, 5)

Battery

Type
225 mAh 292 mAh
Charging
Magnetic charging Magnetic charging

Camera

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
b,g,n
802.11 b, g, n
b,g,n
802.11 b, g, n
Sensors
Accelerometer, Gyroscope, Heart rate, Barometer, Ambient light sensor Accelerometer, Gyroscope, Heart rate, Barometer, Ambient light sensor
Location
Glonass, Galileo, QZSS Glonass, Galileo, QZSS
Other
NFC NFC

Multimedia

Speakers
Loudspeaker Loudspeaker
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

Data Speed
LTE, HSPA LTE, HSPA
SIM type
eSIM eSIM

Alternative variants

With stainless steel case
Weight 1.40 oz (39.8 g)
Materials Frame: Stainless steel
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