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

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

Availability

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

Design

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

Display

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

Hardware

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

Battery

Type
3227 mAh, Li - Ion 341 mAh
Charging
Fast charging
Qi wireless charging, MagSafe wireless charging
Qi wireless charging
Charge speed
Wired: 20.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 45min
Browsing
13h 43min
Video
8h 15min
Gaming
7h 28min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

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)
PhoneArena Camera Tests
131
Overall
135
Photo
128
Video
N/A
Overall
N/A
Photo
N/A
Video

Connectivity & Features

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

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker 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, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 66, 71 1, 3, 5, 7, 8, 18, 19, 20, 26
4G (TDD) Bands
34, 38, 39, 40, 41, 42, 46, 48
3G Bands
1, 2, 4, 5, 6, 8 1, 5, 8
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s LTE, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM, eSIM 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
FCC OKs Cingular\'s purchase of AT&T Wireless