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Apple Watch Series 6 (40mm) vs Apple Watch Series 3 (38mm) 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.

Comparison mode:
Specs Size
Differences only
9.0
Apple Watch Series 6 (40mm)
7.0
Apple Watch Series 3 (38mm)
Apple Watch Series 6 (40mm) Apple Watch Series 3 (38mm)
Released · Sep 18, 2020
Released · 2017
1.6-inch · 394x324px
1.5-inch · 340x272px
1GB · 32GB
768GB · 16GB
279 mAh

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 130-200 mm wrists
Materials
Back: Ceramic
Frame: Stainless steel
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
Colors
Space Black, Silver

Display

Size
1.6-inch 1.5-inch
Resolution
394x324px, 325 PPI 340x272px, 290 PPI
Technology
OLED OLED
Screen-to-body
55.12 %
Peak brightness
1000 cd/m2 (nit) 1000 cd/m2 (nit)
Features
Pressure-sensitive, Scratch-resistant glass (Sapphire), Ambient light sensor Pressure-sensitive, Scratch-resistant glass (Sapphire)

Hardware

System chip
Apple S6 Apple S3
Processor
Dual-core Dual-core
GPU
PowerVR PowerVR
RAM
1GB 768GB
Internal storage
32GB 16GB
Storage expansion
not expandable
OS
watchOS (9.x, 8.x, 7.x, 6.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

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

Camera

Connectivity & Features

Bluetooth
5.0 4.2
WLAN
802.11 b,g,n 802.11 b,g,n
Location
GPS, Glonass A-GPS, Glonass
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer, ECG, Blood Oxygen Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer
Other
NFC NFC

Multimedia

Headphones
No 3.5mm jack
Speakers
Loudspeaker Loudspeaker

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), 3(1800), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+)
4G (TDD)
Bands 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 5(850), 8(900)
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

Buyers information

MSRP
$ 499

Availability

Officially announced
Sep 15, 2020

Alternative variants

non-LTE version
Materials & Colors Aluminum: Silver, Space gray, Gold, Blue, Red
MSRP $ 399
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