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Apple Watch 1 (Aluminum 38mm) vs Apple Watch 3 Aluminum (38mm)

Side by side comparison between Apple Watch 1 vs Apple Watch 3 Aluminum smartwatches, differences, pros, cons with full specifications. What's the better?

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Compare Apple Watch 3 Aluminum XApple Watch 1 (Aluminum 38mm)02Points
Apple Watch 1 (Aluminum 38mm)
1.5"
AMOLED

340x272

N/A
MP

512MB
RAM

32bit Dual

205
mAh

(Non removable)

vs
07PointsApple Watch 3 Aluminum (38mm)Compare Apple Watch 1 X
Apple Watch 3 Aluminum (38mm)
1.5"
AMOLED

340x272

N/A
MP

768MB
RAM

32bit Dual

279
mAh

(Non removable)

What's the better smartwatch? Apple Watch 3 Aluminum (38mm)

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 1 (Aluminum 38mm)2 Advantages Apple Watch 1 (Aluminum 38mm)vsWatch 3 Aluminum (38mm)7 Advantages Apple Watch 3 Aluminum (38mm)
+25 grams (.88 ounces)8%
Lighter
vs27 grams (.95 ounces)
+10.5 millimeters (0.41 inches)9%
Thinner
vs11.4 millimeters (0.45 inches)
520Mhz 32bit Dual-Corevs+1Ghz 32bit Dual-Core102%
More powerful processor, you can open your applications faster
512MB LPDDRvs+768MB LPDDR450%
More RAM memory. Typically more responsive and better for multitasking.
Not supportedvs+BarometerAdvantage
Sensors help you use the device
205 mAhvs+279 mAh36%
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

23 Common items in both devices
8GB (5GB available)
Aluminum body, glass front, plastic composite back
AMOLED
16 million
340x272 pixels
290 PPI
1.5"
+16 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 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
ModelWatch 1 (Aluminum 38mm)Watch 3 Aluminum (38mm)
Other model namesApple Watch Series 1 Aluminum 38mm A1802, iWatch S1Apple Watch Series 3 A1858 GPS 8GB, Apple Watch S3, iWatch
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandAppleApple
Release dateSeptember, 2016September, 2017
Depth10.5 millimeters (0.41 inches)11.4 millimeters (0.45 inches)
Size (width x height)33.3 x 38.6 millimeters (1.31 x 1.52 in)33.3 x 38.6 millimeters (1.31 x 1.52 in)
Weight25 grams (.88 ounces)27 grams (.95 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaNot supportedNot supported
Build, materialsAluminum body, glass front, plastic composite 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 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
Operating systemWatchOS 3.0WatchOS 4.0
Firmware updateWatchOS 5.0WatchOS 5.0
HardwareApple Watch 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
Chipset32bit - Apple S1P (28nm)32bit - Apple S3 (28nm)
CPU processor520Mhz Dual-Core ARM Cortex-A71Ghz Dual-Core ARM Cortex-A7
GPU graphical controllerPowerVR G6200PowerVR G6200
RAM memory512MB LPDDR768MB LPDDR4
Internal storage8GB (5GB available)8GB (5GB available)
External storageNot supportedNot supported
DisplayApple Watch 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
Display typeAMOLEDAMOLED
Screen size1.5" inches1.5" inches
Screen-to-body ratio~55.1% (screen-to-body ratio)~55.1% (screen-to-body ratio)
Display resolution340x272 pixels340x272 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)290 PPI290 PPI
Colors16 million16 million
Scratch-resistant glassScratch-resistant glassScratch-resistant glass
Display featuresfeature not registeredfeature not registered
Mobile networksApple Watch 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
Dual-SIMNot supportedNot supported
SIM cardNot supportedNot supported
Maximum download/uploadfeature not registeredfeature not registered
Network technologyfeature not registeredfeature not registered
Frequency, bandsExpand band detailsCollapse 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
CallingApple Watch 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
MessagingSMS, E-mailSMS, E-mail
SpeakerphoneSupportedSupported
Video callingNot supportedNot supported
Call controlNot supportedNot supported
CameraApple Watch 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
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 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
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 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
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 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
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 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
Ringtonesfeature not registeredfeature not registered
Web browserNot supportedNot supported
SensorsAccelerometer
Ambient Light sensor
Gyroscope
Heart rate
Pedometer
Accelerometer
Ambient Light sensor
Gyroscope
Barometer
Heart rate
Pedometer
Other features- Colors: Space gray, Gold, Rose gold, Silver
- Band colors: Gray, White, Black, Pink
- Sport bands
- 450 nits screen
- 3D Touch display
- Siri
- Magnetic charger
- Requires an iPhone 5s/iOS 11 or later
- Colors: Silver, Gold, Space Gray
- Sport Band or Nike Sport Band
- 1000 nits screen
- 3D Touch display
- Siri
Power supplyApple Watch 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity205 mAh279 mAh
Charger, watts Standard charging
Magnetic charging (dock)
Standard charging
Magnetic charging (dock)
Talk time autonomy1080 minutes | 18 hours | 0.8 day1080 minutes | 18 hours | 0.8 day
Standbyfeature not registeredfeature not registered
Radiation rateApple Watch 1 (Aluminum 38mm)Apple Watch 3 Aluminum (38mm)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.17W/kg (head) | 0.03W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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