Apple Watch Series 3 (42mm) vs Apple iPhone 13 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.

7.0	6.3
Apple Watch Series 3 (42mm)	Apple iPhone 13
Released · 2017	Released · Sep 24, 2021
1.6-inch · 390x312px	6.1-inch · 2532x1170px
768GB · 16GB	4GB · 128GB
341 mAh	3227 mAh
	Dual camera
	Check prices

Availability

Officially announced
	Sep 14, 2021
Prices (MSRP)
	$799 \| €939

Design

Dimensions
1.67 x 1.43 x 0.45 inches 42.5 x 36.4 x 11.4 mm	5.78 x 2.81 x 0.30 inches (~0.40 inches with camera bump) 146.7 x 71.5 x 7.65 mm (~10.17 mm with camera bump)
Weight
1.86 oz (52.8 g)	6.14 oz (174.0 g)
Materials
Back: Ceramic Frame: Stainless steel	Back: Glass Frame: Aluminum
Resistance
Water, Dust	Water, Dust; IP68
Biometrics
	3D Face unlock
Keys
	Left: Volume control, Other; Right: Lock/Unlock key
Colors
Space Black, Silver	Red, Starlight, Midnight, Blue, Pink

Display

Size
1.6-inch, 55.61% screen-to-body	6.1-inch, 87.24% screen-to-body
Type
OLED, 1000 nits	OLED, 60Hz, HDR, 1200 nits
Resolution
390x312px, 303 PPI	2532x1170px, 19.5:9 ratio, 457 PPI
Protection
Sapphire	Ceramic Shield
Features
Pressure-sensitive, Scratch-resistant glass	Super Retina XDR, HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Apple S3	Apple A15 Bionic (5 nm)
Processor
Dual-core	Hexa-core 2x3.23 GHz Avalanche 4x1.82 GHz Blizzard
GPU
PowerVR	Apple GPU 4-core
Memory
768GB/16GB	4GB (LPDDR4X)/128GB (NVMe) 4GB/256GB 4GB/512GB
Storage expansion
	not expandable
OS
watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x)	iOS (18.x, 17.x, 16.x, 15.x)

Battery

Type
341 mAh	3227 mAh, Li - Ion
Charging
Qi wireless charging	Fast charging Qi wireless charging, MagSafe wireless charging
Charge speed
	Wired: 20.0W Wireless: 15.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 45min

Browsing

13h 43min

Video

8h 15min

Gaming

7h 28min

Camera

Rear
	Dual camera
Main camera
	12 MP (Sensor-shift OIS, PDAF) Aperture size: F1.6 Focal length: 26 mm Sensor size: 1/1.9'' Pixel size: 1.7 μm
Second camera
	12 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 13 mm Sensor size: 1/3.4"
Flash
	LED
Video recording
	4K UHD (60 fps), 1080p (240 fps), 720p (30 fps) OIS, HDR, Time-lapse video, Continuous autofocus, Picture-taking during video recording, Video light
Front
	12 MP (Time-of-Flight (ToF), Autofocus, HDR) Video capture: 4K UHD (60 fps)

N/A

Overall

N/A

Photo

N/A

Video

131

Overall

135

Photo

128

Video

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
b,g,n 802.11 b, g, n	a,b,g,n,ac,Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
	Lightning
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
NFC	NFC, Ultra Wideband (UWB)

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Loudspeaker	Earpiece, Loudspeaker
Features
	Dolby Atmos
Screen mirroring
	Wireless screen share
Additional microphone(s)
	Noise cancellation

Cellular

5G Bands
	n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, n79, n258, n260, n261
4G (FDD) Bands
1, 3, 5, 7, 8, 18, 19, 20, 26	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 66, 71
4G (TDD) Bands
	34, 38, 39, 40, 41, 42, 46, 48
3G Bands
1, 5, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s	LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
	Yes
SIM type
eSIM	Nano SIM, eSIM
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
	Date approved: Sep 14, 2021 FCC ID value: BCG-E3997A
Measured SAR
	Head: 0.96 W/kg Body: 0.96 W/kg Simultaneous Transmission: 1.45 W/kg Wireless Router: 0.96 W/kg

Alternative variants

With 256GB internal storage


Memory	256GB
Prices (MSRP)	$899

With 512GB internal storage


Memory	512GB
Prices (MSRP)	$1099

International


5G Bands	n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n29, n30, n38, n40, n41, n48, n66, n71, n77, n78, n79, SA, NSA, Sub-6
4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 66, 71
4G (TDD) Bands	34, 38, 39, 40, 41, 42, 46, 48

Links

Full specifications
Apple Watch Series 3 (42mm) Specs	Apple iPhone 13 Specs
PhoneArena Review
Apple Watch Series 3 (42mm) Review	Apple iPhone 13 Review
User Reviews
	Apple iPhone 13 User Reviews