Apple Watch Series 2 (38mm) vs Apple Watch Series 4 (40mm) vs Apple iPhone 13 Pro Specs Comparison

Availability

Officially announced
		Sep 14, 2021
Prices (MSRP)
		6GB/128GB - $999 | €1150 6GB/256GB - $1099 6GB/512GB - $1299

Design

Dimensions
1.52 x 1.31 x 0.45 inches 38.6 x 33.3 x 11.4 mm	1.57 x 1.34 x 0.42 inches 40.0 x 34.0 x 10.7 mm	5.78 x 2.81 x 0.30 inches (~0.44 inches with camera bump) 146.7 x 71.5 x 7.65 mm (~11.25 mm with camera bump)
Weight
1.48 oz / 41.9 g	1.06 oz / 30.1 g	7.20 oz / 204.0 g
Materials
Frame: Stainless steel	Frame: Aluminum	Back: Glass Frame: Stainless steel
Resistance
Water	Water	Water, Dust; IP68
Biometrics
		3D Face unlock
Keys
		Left: Volume control, Other; Right: Lock/Unlock key
Colors
Silver, Black	Silver, Black	Graphite, Gold, Silver, Sierra Blue

Display

Size
1.5-inch, 55.12% screen-to-body	1.6-inch, 57.48% screen-to-body	6.1-inch, 87.24% screen-to-body
Type
OLED, 1000 nits	OLED, 1000 nits	OLED, Variable 10-120Hz, HDR, 1200 nits
Resolution
340x272px, 290 PPI	394x324px, 325 PPI	2532x1170px, 19.5:9 ratio, 457 PPI
Protection
	Sapphire	Ceramic Shield
Features
Pressure-sensitive, Ambient light sensor	Pressure-sensitive, Scratch-resistant glass, Ambient light sensor	Super Retina XDR, HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested	Untested
Bright Min
Untested	Untested	1.9 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Apple S2 (16 nm)	Apple S4 (7 nm)	Apple A15 Bionic (5 nm)
Processor
Dual-core 780 MHz Cortex-A7	Dual-core	Hexa-core 2x3.23GHz Avalanche 4x1.82G​Hz Blizzard
GPU
PowerVR G6200	Apple G11M	Apple GPU 5-core
Memory
0.5GB/8GB	1GB/16GB	6GB (LPDDR4X)/128GB (NVMe) 6GB/256GB 6GB/512GB 6GB/1024GB
Storage expansion
not expandable	not expandable	not expandable
OS
watchOS (6.x, 5.1, 5, 4.x, 3.x)	watchOS (9.x, 8.x, 7.x, 6.x, 5)	iOS (18.x, 17.x, 16.x, 15.x)

PhoneArena Performance Test

GeekBench 6 Single
Untested	Untested	2300
GeekBench 6 Multi
Untested	Untested	5732
3D Mark High
Untested	Untested	2659
3D Mark Low
Untested	Untested	2080

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
273 mAh	225 mAh	3095 mAh, Li - Ion
Charging
Magnetic charging	Magnetic charging	Fast charging Qi wireless charging, MagSafe wireless charging
Charge speed
		Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 3min

Browsing

14h 44min

Video

8h 26min

Gaming

8h 5min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
		Triple camera
Main camera
		12 MP (Sensor-shift OIS, PDAF) Aperture size: F1.5 Focal length: 26 mm Sensor size: 1/1.65'' Pixel size: 1.9 μm
Second camera
		12 MP (Ultra-wide, Autofocus) Aperture size: F1.8 Focal Length: 13 mm Sensor size: 1/3.4" Pixel size: 1 μm
Third camera
		12 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.8 Focal Length: 77 mm Sensor size: 1/3.4" Pixel size: 1 μm
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
Front
		12 MP (Time-of-Flight (ToF), EIS, HDR) Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

N/A

Overall

N/A

Photo

N/A

Video

136

Overall

138

Photo

135

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
4.0	5.0	5.0
WLAN
b,g,n 802.11 b, g, n	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, Heart rate, Ambient light sensor	Accelerometer, Gyroscope, Heart rate, Barometer, Ambient light sensor	Accelerometer, Gyroscope, Compass, Barometer, LiDAR scanner, Ambient light sensor, Proximity sensor
Hearing aid compatible
		M3/T4
Location
Glonass, Galileo	Glonass, Galileo, QZSS	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
NFC	NFC	NFC, Ultra Wideband (UWB)

Multimedia

Headphones
		No 3.5mm jack
Speakers
Loudspeaker	Loudspeaker	Earpiece, Loudspeaker
Features
		Dolby Atmos
Additional microphone(s)
	Noise cancellation

Cellular

5G Bands
		n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, n79, SA, NSA, Sub-6 International version - n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n30, n38, n40, n41, n66, n71, n77, n78, n79, SA, NSA, Sub-6
LTE Bands
		1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 66, 71 International version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66
TDD Bands
		34, 38, 39, 40, 41, 42, 46, 48 International version - 34, 38, 40, 41, 42, 48
3G Bands
		1, 2, 4, 5, 6
Data Speed
	LTE, HSPA	LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
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-E4000A
Measured SAR
		Head: 0.96 W/kg Body: 1.45 W/kg Simultaneous Transmission: 0.96 W/kg Wireless Router: 0.96 W/kg

Alternative variants

With aluminum frame

Weight	0.99 oz / 28.2 g
Materials	Frame: Aluminum

With stainless steel case

Weight	1.40 oz / 39.8 g
Materials	Frame: Stainless steel

With 256GB internal storage

Memory	256GB
Prices (MSRP)	$1099

With 512GB internal storage

Memory	512GB
Prices (MSRP)	$1299

With 1TB internal storage

Memory	1024GB
Prices (MSRP)	$1499

International

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

Discover more

Full Specs Apple Watch Series 2 (38mm) Specs

Full Specs Apple Watch Series 4 (40mm) Specs

Full Specs Apple iPhone 13 Pro Specs PA Review Apple iPhone 13 Pro Review