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Apple Watch 2 (Aluminum 38mm) vs Apple Watch 2 (Aluminum 42mm)

Side by side comparison between Apple Watch 2 (Aluminum 38mm) vs Apple Watch 2 (Aluminum 42mm) smartwatches, differences, pros, cons and full specifications. What's the better?

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Compare Apple Watch 2 X Apple Watch 2 (Aluminum 38mm) 01Point
1.5"
AMOLED

340x272

N/A
512MB
RAM

Dual-core

273
mAh

(Non removable)

vs
04Points Apple Watch 2 (Aluminum 42mm) Compare Apple Watch 2 X
1.65"
AMOLED

390x312

N/A
512MB
RAM

Dual-core

334
mAh

(Non removable)

What's the better smartwatch? Apple Watch 2 (Aluminum 42mm)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!


24 Common items in both devices
780MHz 32bit Dual-core
512MB LPDDR3
8GB (5GB available)
11.4 millimeters (0.45 inches)
Aluminum body, glass front, ceramic back
AMOLED
16 million
+17 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
ModelWatch 2 (Aluminum 38mm)Watch 2 (Aluminum 42mm)
Other model namesApple Watch Series 2 Aluminum A1757 38mm, iWatch S2Apple Watch Series 2 Aluminum A1758 42mm, iWatch S2
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandAppleApple
Release date12/1/201612/1/2016
Depth11.4 millimeters (0.45 inches)11.4 millimeters (0.45 inches)
Size (width x height)33.3 x 38.6 millimeters (1.31 x 1.52 in)36.4 x 42.5 millimeters (1.43 x 1.67 in)
Weight28 grams (.98 ounces)34 grams (1.19 ounces)
Build, materialsAluminum body, glass front, ceramic backAluminum body, glass front, ceramic back
Protection against water and others5 ATM: 50 meters waterproof5 ATM: 50 meters waterproof

📲 Display

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
Display typeAMOLEDAMOLED
Screen size1.5" inches1.65" inches
Screen-to-body ratio~55.1% (screen-to-body ratio)~55.4% (screen-to-body ratio)
Display resolution340x272 pixels390x312 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)290 PPI303 PPI
Colors16 million16 million
Scratch-resistant glassScratch-resistant glassScratch-resistant glass
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
System versionWatchOS 3.0WatchOS 3.0
Firmware updateWatchOS 5.0WatchOS 5.0
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
Chipset32bit: Apple S2 (28nm)32bit: Apple S2 (28nm)
CPUDual-core, 1 processor:
2x 780MHz ARM Cortex-A7 (Dual-core)
Dual-core, 1 processor:
2x 780MHz ARM Cortex-A7 (Dual-core)
GPU graphical controllerPowerVR G6200PowerVR G6200
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
RAM memory512MB LPDDR3512MB LPDDR3
Internal storage8GB (5GB available)8GB (5GB available)
External storageNot supportedNot supported

📶 Mobile networks

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
Dual-SIMNot supportedNot supported
SIM cardNot supportedNot supported
Maximum Download / Uploadfeature not registeredfeature not registered
Network technologyfeature not registeredfeature not registered
Frequency, bands Expand band details Collapse details
GSM MHz bandNot supportedNot supported
Primary 2G networkNot supportedNot supported
Primary 3G networkNot supportedNot supported
Primary 4G networkNot supportedNot supported
Primary 5G networkNot supportedNot supported
Primary data networkNot supportedNot supported
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
Back camera (main camera)Not supportedNot supported
Main camera resolutionNot supportedNot supported
Video recording (primary)Not supportedNot supported
FlashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusNot supportedNot supported
Touch focusNot supportedNot supported
Image stabilizationNot supportedNot supported
ZoomNot supportedNot supported
Face/smile detectionNot supportedNot supported
BSI sensorNot supportedNot supported
HDRNot supportedNot supported
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
Front camera (secondary)Not supportedNot supported
Front camera resolutionNot supportedNot supported
Video recording (secondary)Not supportedNot supported
Front flashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
LoudspeakerSupportedSupported
Active noise cancellationNot supportedNot supported
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
USBNot supportedNot supported
Audio outputNot supportedNot supported
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP4.0 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 b/g/n [wifi4] (2.4GHz)
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
SensorsAccelerometer
Ambient light sensor
Gyroscope
Heart rate
Pedometer
Accelerometer
Ambient light sensor
Gyroscope
Heart rate
Pedometer
Vibrating alertSupportedSupported

🔋 Battery

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity273 mAh334 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingMagnetic charging (dock)Magnetic charging (dock)
Talk time autonomy18 hours18 hours
Standbyfeature not registeredfeature not registered

➕ Other features

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
Call controlNot supportedNot supported
MessagingSMS, E-mailSMS, E-mail
Hands-free callingSupportedSupported
Video callingNot supportedNot supported
Ringtonesfeature not registeredfeature not registered
Web browserNot supportedNot supported
AntennaNot supportedNot supported
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Space gray, Gold, Rose gold, Silver
• Sport or woven nylon bands
• 1000 nits screen
• 3D Touch display
• Siri
• Requires an iPhone 5s/iOS 11 or later
• Colors: Space gray, Gold, Rose gold, Silver
• Sport or woven nylon bands
• 1000 nits screen
• 3D Touch display
• Siri
• Requires an iPhone 5s/iOS 11 or later

☢️ Radiation rate

Apple Watch 2 (Aluminum 38mm)Apple Watch 2 (Aluminum 42mm)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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