Apple iPhone 12 vs Samsung Galaxy Watch 4 (40mm) Specs Comparison

Design

Dimensions
5.78 x 2.81 x 0.29 inches (~0.35 inches with camera bump) 146.7 x 71.5 x 7.4 mm (~8.88 mm with camera bump)
Weight
5.78 oz (164.0 g)
Materials
Back: Glass Frame: Aluminum
Materials & Colors
	Black, Silver, Green, Gold
Resistance
Water, Dust; IP68	Water (up to 50 meters), Dust; IP68; MIL-STD-810 certified
Biometrics
3D Face unlock
Keys
Left: Volume control, Other; Right: Lock/Unlock key
Colors
Black, White, Red, Green, Blue, Purple

Display

Size
6.1-inch	1.2-inch
Resolution
2532x1170px, 19.5:9 ratio, 457 PPI	450x450px, 530 PPI
Technology
OLED	Super AMOLED
Refresh rate
60Hz
Screen-to-body
87.24 %
Peak brightness
1200 cd/m2 (nit)
Features
HDR support, Oleophobic coating, Scratch-resistant glass (Ceramic Shield), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass DX+), Ambient light sensor

Hardware

System chip
Apple A14 Bionic (5 nm)	Exynos W920 (5 nm)
Processor
Hexa-core 3100 MHz
GPU
Yes
RAM
4GB (LPDDR4)	1.5GB
Internal storage
64GB (NVMe)	16GB
Storage expansion
not expandable
OS
iOS (16.x, 15.x, 14.x)	Wear OS

Battery

Capacity
2815 mAh	247 mAh
Type
Li - Ion	Li - Ion
Charging
USB Power Delivery, Qi wireless charging, MagSafe wireless charging	Qi wireless charging
Charge speed
Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

4h 59min

Browsing

12h 33min

Video

6h 38min

Gaming

6h 46min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera
Main camera
12 MP (Sapphire crystal lens cover, OIS, PDAF) Aperture size: F1.6 Focal length: 26 mm
Second camera
12 MP (Ultra-wide, Sapphire crystal lens cover) Aperture size: F2.4 Focal Length: 13 mm
Flash
LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps) OIS, HDR, Time-lapse video, Continuous autofocus, Picture-taking during video recording
Front
12 MP (EIS, HDR, Slow-motion videos), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band
USB
Lightning
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning	GPS, Glonass, Galileo, BeiDou
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass, Heart rate, Barometer, ECG, Blood Oxygen
Other
NFC, UMA (Wi-Fi Calling)	NFC

Multimedia

Headphones
No 3.5mm jack
Speakers
Earpiece, Multiple speakers	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, n66, n71, n77, n78, n79, n260, n261, Sub-6, mmWave
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM, eSIM
HD Voice
Yes
VoLTE
Yes

Buyers information

MSRP
$ 829
In The Box
USB-C to Lightning Cable, Documentation

Availability

Officially announced
Oct 13, 2020	Aug 11, 2021

Alternative variants

with 128GB storage

Internal storage	128GB
MSRP	$ 879

with 256GB storage

Internal storage	256GB
MSRP	$ 979

Links

Full specifications
Apple iPhone 12 Specs	Samsung Galaxy Watch 4 (40mm) Specs
PhoneArena Review
Apple iPhone 12 Review	Samsung Galaxy Watch 4 (40mm) Review
User Reviews
Apple iPhone 12 User Reviews