Apple Watch Series 3 Aluminum vs Apple Watch Sport 42mm

Apple Watch Series 3 Aluminum

Apple Watch Sport 42mm

Network
2G network

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100, 800 - Europe, Australia; HSDPA 850, 1700(AWS), 1900, 800 - USA, LATAM, Canada; HSDPA 2100 - China

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4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850) - Europe, Australia; LTE frequency band 2(1900), 4(1700/2100), 5(850), 12(700), 13(700), 17(700), 18(800), 19(800), 25(1900), 26(850), 41(2500) - USA, LATAM, Canada; LTE frequency band 1(2100), 3(1800), 39(1900), 40(2300), 41(2500) - China

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HSPA speed

HSPA

-
LTE speed

LTE

-
GPRS

Yes
EDGE

Yes

Design
Build

Aluminum/Ceramic back

Aluminum
SIM

Electronic SIM card (Apple e-SIM)

No
Height

42.5 mm

42 mm
Width

36.4 mm

35.9 mm
Thickness

11.4 mm

10.5 mm
Weight

34.9 g

70 g
Waterproof

50m

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Colors

Gold, Silver, Space Gray

Blue; Gold/White; Gray/Black; Rose Gold/Lavender, Orange, Silver/White, Stone

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Mail

Push Mail

Push Mail
Java

No

No
Sensors

Accelerometer, barometer, gyro, heart rate

Accelerometer, gyro, heart rate