Samsung Galaxy S8+ vs Samsung Galaxy A40 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.

9.0
Samsung Galaxy S8+	Samsung Galaxy A40
Released · Apr 21, 2017	Released · Apr 10, 2019
6.2-inch · 2960x1440px	5.9-inch · 2340x1080px
Single camera	Dual camera
4GB · 64GB	4GB · 64GB
3500 mAh	3100 mAh

Design

Dimensions
6.28 x 2.89 x 0.32 inches 159.5 x 73.4 x 8.1 mm	5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm
Weight
6.10 oz (173.0 g)	4.94 oz (140.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum	Back: Plastic Frame: Plastic
Resistance
Water, Dust; IP68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Left: Volume control, Other; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink	Black, Coral, Blue, White

Display

Size
6.2-inch	5.9-inch
Resolution
2960x1440px, 18.5:9 ratio, 529 PPI	2340x1080px, 19.5:9 ratio, 437 PPI
Technology
Super AMOLED	Super AMOLED
Screen-to-body
83.32 %	85.73 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 835 MSM8998 (10 nm)	Exynos 7904 (14 nm)
Processor
Octa-core 2450 MHz Kryo 280	Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
Adreno 540	Mali-G71 MP2
Memory
4GB (LPDDR4)/64GB	4GB (LPDDR4)/64GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat)	Android (11, 10, 9.0 Pie)

Battery

Type
3500 mAh, Li - Ion	3100 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 2.0 Qi and Powermat wireless charging	Samsung Adaptive Fast Charging

Camera

Rear
Single camera	Dual camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	16 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
4K UHD (30 fps), QHD, 1080p (60 fps), 720p (240 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing	1080p (30 fps) Hyperlapse, Video calling, Video sharing
Front
8 MP (Wide Angle, Autofocus, HDR) Video capture: QHD (30 fps)	25 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0, Yes	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
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync	NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Dolby Atmos, Album art cover, Background playback
Screen mirroring
DLNA,Wireless screen share,MHL	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3)	Bands 1, 3, 5, 7, 8, 20
4G (TDD)
	Bands 38, 40, 41
3G
Bands 5, 8, 4, 2, 1	Bands 1, 2, 5, 8
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Apr 06, 2017 FCC ID value: A3LSMG955U	Date approved: Mar 08, 2019 FCC ID value: A3LSMA405FN
Measured SAR
Head: 0.33 W/kg Body: 0.29 W/kg Simultaneous Transmission: 1.55 W/kg Wireless Router: 0.19 W/kg	Head: 0.51 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.02 W/kg Wireless Router: 0.61 W/kg

Availability

Officially announced
Mar 29, 2017	Apr 10, 2019

Alternative variants

International version


System chip	Samsung Exynos 9 Octa 8895 (10 nm)
Processor	Octa-core 2500 MHz Exynos M2 "Mongoose"and ARM Cortex-A53
GPU	Mali-G71 MP20
4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38, 39, 40, 41
FCC approval	Date approved: Sep 25, 2017 FCC ID value: A3LSMG955F
Measured SAR	Head: 0.58 W/kg Body: 0.65 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.49 W/kg Phablet: 3.98 W/kg

for Verizon Wireless


4G (FDD)	Bands 2, 3, 4, 5, 7, 8, 13, 18, 19, 20, 26, 28
3G	Bands 5, 8, 2, 1
Hearing aid compatible	M4/T3

for T-Mobile


4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 66(AWS-3)
3G	Bands 5, 4, 2, 1

with Dual SIM


System chip	Samsung Exynos 9 Octa 8895 (10 nm)
Processor	Octa-core 2500 MHz Exynos M2 "Mongoose"and ARM Cortex-A53
GPU	Mali-G71 MP20
Dual SIM	Yes

for AT&T


4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 29(700 d), 30(2300 WCS)

for Sprint


4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28

for US Cellular


4G (FDD)	Bands 2, 4, 5, 8, 12, 13, 18, 19, 25
3G	Bands 5, 8, 2, 1

Links

Full specifications
Samsung Galaxy S8+ Specs	Samsung Galaxy A40 Specs
PhoneArena Review
Samsung Galaxy S8+ Review
User Reviews
Samsung Galaxy S8+ User Reviews	Samsung Galaxy A40 User Reviews