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Apple Watch (42mm) vs Apple Watch 3 Aluminum (42mm 4G)

Side by side comparison between Apple Watch vs Apple Watch 3 Aluminum smartwatches, differences, pros, cons with full specifications. What's the better?

,
Apple Watch (42mm)
1.54"
AMOLED

312x390

N/A
MP

512MB
RAM

32bit Single

205
mAh

(Non removable)

vs
13PointsApple Watch 3 Aluminum (42mm 4G)Compare Apple Watch X
Apple Watch 3 Aluminum (42mm 4G)
1.65"
AMOLED

390x312

N/A
MP

768MB
RAM

32bit Dual

352
mAh

(Non removable)

What's the better smartwatch? Apple Watch 3 Aluminum (42mm 4G)

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!

Watch (42mm)3 Advantages Apple Watch (42mm)vsWatch 3 Aluminum (42mm 4G)13 Advantages Apple Watch 3 Aluminum (42mm 4G)
+10.5 millimeters (0.41 inches)9%
Thinner
vs11.4 millimeters (0.45 inches)
+Stainless steel body, glass front, ceramic backAdvantage
More resistant material
vsAluminum body, glass front, plastic composite back
+324 PPI7%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs303 PPI
520Mhz 32bit Single-Corevs+1Ghz 32bit Dual-Core142%
More powerful processor, you can open your applications faster
512MB LPDDRvs+768MB LPDDR450%
More RAM memory. Typically more responsive and better for multitasking.
8GB (6GB available)vs+16GB (10GB available)67%
More internal storage for applications and files
101 grams (3.54 ounces)vs+35 grams (1.23 ounces)189%
Lighter
1.54"vs+1.65"7%
Larger screen
WatchOS 4.0vs+WatchOS 5.0Advantage
WatchOS 5.0 is newer and safer
Not supportedvs+4G LTEAdvantage
The 4G LTE network is newer and faster
(Not supported) vs+(4G LTE) 150 MbpsAdvantage
Faster for surfing the internet and download files
Not supportedvs+BarometerAdvantage
Sensors help you use the device
205 mAhvs+352 mAh72%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+A-GPS, GeoTagging, GLONASSAdvantage
It's harder to lose yourself in the city with GPS on your device
4.0 + A2DPvs+4.2 + A2DPAdvantage
Bluetooth 4.2 + A2DP is newer and faster
IPX7 certifiedvs+50 meters waterproofAdvantage
Protection against water allows you talk to your friends in the rain, for example

18 Common items in both devices
AMOLED
16 million
312x390 pixels
Capacitive
Multitouch
Not supported
Accelerometer
+11 specs and more in the table below

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

Highlight differencesClear highlight
Physical featuresApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
ModelWatch (42mm)Watch 3 Aluminum (42mm 4G)
Other model namesApple Watch 1st gen (2015) A1554 Stainless SteelApple Watch Series 3 GPS + Cellular (4G LTE), Apple Watch S3
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandAppleApple
Release dateApril, 2015September, 2017
Depth10.5 millimeters (0.41 inches)11.4 millimeters (0.45 inches)
Size (width x height)35.9 x 42 millimeters (1.41 x 1.65 in)36.4 x 42.5 millimeters (1.43 x 1.67 in)
Weight101 grams (3.54 ounces)35 grams (1.23 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaNot supportedInternal antenna
Build, materialsStainless steel body, glass front, ceramic backAluminum body, glass front, plastic composite back
Protection against water and othersIPX7 certified: water resistant up to 1 meter and 30min50 meters waterproof
System (OS)Apple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
Operating systemWatchOS 1.0WatchOS 4.0
Firmware updateWatchOS 4.0WatchOS 5.0
HardwareApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
Chipset32bit - Apple S1 (28nm)32bit - Apple S3 (28nm)
CPU processor520Mhz Single-Core ARM Cortex-A71Ghz Dual-Core ARM Cortex-A7
GPU graphical controllerPowerVR SGX543PowerVR G6200
RAM memory512MB LPDDR768MB LPDDR4
Internal storage8GB (6GB available)16GB (10GB available)
External storageNot supportedNot supported
DisplayApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
Display typeAMOLEDAMOLED
Screen size1.54" inches1.65" inches
Screen-to-body ratio~49.5% (screen-to-body ratio)~55.4% (screen-to-body ratio)
Display resolution312x390 pixels390x312 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)324 PPI303 PPI
Colors16 million16 million
Scratch-resistant glassSapphire GlassScratch-resistant glass
Display featuresfeature not registeredfeature not registered
Mobile networksApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
Dual-SIMNot supportedNot supported
SIM cardNot supported1 slot (Single-SIM)
e-SIM (Eletronic)
Maximum download/uploadfeature not registered150/50 Mbps
Network technologyfeature not registered2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandNot supportedQuad-Band 850/900/1800/1900
Primary 2G networkNot supportedGSM 850/900/1800/1900
Primary 3G networkNot supportedA1891 model (Europe,Australia):
UMTS 800/850/900/2100

A1861 model (USA,LATAM,Canada):
UMTS 800/850/1700/1900

A1892 model (China):
UMTS 2100
Primary 4G networkNot supportedLTE Cat4

A1891 model (Europe,Australia):
LTE (Bands 1,3,5,7,8,18,19,20,26)

A1861 model (USA,LATAM,Canada):
LTE (Bands 2,4,5,12,13,17,18,19,25,26)
TD-LTE (Bands 41)

A1892 model (China):
LTE (Bands 1,3)
TD-LTE (Bands 39,40,41)
Primary 5G networkNot supportedNot supported
Primary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported
CallingApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
MessagingSMS, E-mailSMS, E-mail
SpeakerphoneSupportedSupported
Video callingNot supportedNot supported
Call controlNot supportedNot supported
CameraApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
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
2ª cameraApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
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
MultimediaApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, eAAC+, FLAC
ConnectivityApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
USBNot supportedNot supported
TV outputNot supportedNot supported
Audio outputNot supportedNot supported
Bluetooth4.0 + A2DP4.2 + A2DP
WiFi802.11 b/g/n (2.4Ghz)802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedSupported
GPSNot supportedA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
Ringtonesfeature not registeredPolyphonic and customized
Web browserNot supportedNot supported
SensorsAccelerometer
Ambient Light sensor
Gyroscope
Heart rate
Pedometer
Accelerometer
Ambient Light sensor
Gyroscope
Barometer
Heart rate
Pedometer
Other features- Watch colors: Silver, Space gray
- Watch bands: White, Black, Blue, Pink, Brown, Gray, Steel
- Band material: Leather, Stainless steel, Fluoroelastomer plastic
- iOS 8.2 or higher compatible
- Digital Crown
- MagSafe charging
- Colors: Silver, Gold, Space Gray
- Sport Band or Nike Sport Band
- 1000 nits screen
- 3D Touch display
- Siri
Power supplyApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity205 mAh352 mAh
Charger, watts Standard charging
Magnetic charging (dock)
Standard charging
Magnetic charging (dock)
Talk time autonomy180 minutes | 3 hours | 0.1 day1080 minutes | 18 hours | 0.8 day
Standby1080 minutes | 18 hours | 0.8 dayfeature not registered
Radiation rateApple Watch (42mm)Apple Watch 3 Aluminum (42mm 4G)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.52W/kg (head) | 0.34W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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