Samsung Galaxy S9+ vs Samsung Galaxy A42 Specs Comparison

Design

Dimensions
6.22 x 2.91 x 0.33 inches 158.1 x 73.8 x 8.5 mm	6.47 x 2.99 x 0.34 inches 164.4 x 75.9 x 8.6 mm
Weight
6.67 oz (189.0 g)	6.81 oz (193.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Features
Notification light
Keys
Left: Volume control, Other; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue, Polaris blue	Prism Dot black, Prism Dot white, Prism Dot grey

Display

Size
6.2-inch	6.6-inch
Resolution
2960x1440px, 18.5:9 ratio, 531 PPI	1600x720px, 20:9 ratio, 266 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
83.68 %	84.26 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	Qualcomm Snapdragon 750G SM7225 (8 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570
GPU
Adreno 630	Adreno 619
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
64GB	128GB, available to use: 106 GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 1000 GB
OS
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI	Android (12, 11, 10), Samsung One UI

Battery

Capacity
3500 mAh	5000 mAh
Type
Li - Ion
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging	Samsung Adaptive Fast Charging
Charge speed
	Wired: 15.0W

Camera

Rear
Dual camera	Quad camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	48 MP (PDAF) Aperture size: F1.8 Pixel size: 0.8 μm
Second camera
12 MP (Telephoto, OIS, Autofocus) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.6" Pixel size: 1 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, EIS, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
Front
8 MP (Autofocus, HDR), Video capture: 2560x1440 (QHD) (30 fps)	20 MP (Autofocus)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
32-Bit DAC, Dolby Atmos, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G
	Bands n1, n3, n5, n7, n8, n28, Sub-6
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 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), 66(AWS-3), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Jan 11, 2018 FCC ID value: A3LSMG965U	Date approved: Apr 08, 2021 FCC ID value: A3LSMA426U
Measured SAR
Head: 0.36 W/kg Body: 0.79 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.04 W/kg Phablet: 3.94 W/kg	Head: 1.11 W/kg Body: 1.25 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.06 W/kg Phablet: 3.81 W/kg

Buyers information

MSRP
$ 840	€ 340

Availability

Officially announced
Feb 25, 2018	Sep 02, 2020

Alternative variants

International version

System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
FCC approval	Date approved: Dec 27, 2017 FCC ID value: A3LSMG965F
Measured SAR	Head: 0.23 W/kg Body: 0.58 W/kg Simultaneous Transmission: 1.46 W/kg Wireless Router: 1.05 W/kg Phablet: 3.68 W/kg

with Dual SIM

System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
Dual SIM	Yes

with 256 GB storage

Internal storage	256GB
MSRP	$ 940

with 128 GB storage

Internal storage	128GB
MSRP	$ 890

Links

Full specifications
Samsung Galaxy S9+ Specs	Samsung Galaxy A42 Specs
PhoneArena Review
Samsung Galaxy S9+ Review
User Reviews
Samsung Galaxy S9+ User Reviews