Samsung Galaxy S9+ vs Samsung Galaxy A8 (2018)

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Display

Display size

6.2 inches
5.6 inches

Resolution

1440 x 2960 pixels
1080 x 2220 pixels

Pixel density

531 ppi
441 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

83.68 %
75.60 %

Features

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor

Camera

Rear

Dual camera
Single camera

Main camera

12 megapixels
16 megapixels

Hardware Features

Optical image stabilization, Phase detection autofocus
Phase detection autofocus

Specifications

Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.7

Second camera

12 megapixels
 

Hardware Features

Telephoto, Optical image stabilization, Autofocus
 

Specifications

Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
 

Flash

LED
LED

Video recording

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
1920x1080 (Full HD) (30 fps)

Features

High Dynamic Range mode (HDR), Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Digital image stabilization, Video calling, Video sharing
Hyperlapse, Digital image stabilization, Video calling, Video sharing

Front

8 megapixels
16 megapixels

Features

Autofocus, High Dynamic Range mode (HDR)
Dual-Camera

Design

Dimensions

6.22 x 2.91 x 0.33 inches (158.1 x 73.8 x 8.5 mm)
5.87 x 2.78 x 0.33 inches (149.2 x 70.6 x 8.4 mm)

Weight

6.67 oz (189 g)
the average is 6 oz (172 g)
6.07 oz (172 g)
the average is 6 oz (172 g)

Materials

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance

Water, Dust; IP 68
Water, Dust; IP 68

Biometrics

Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)

Features

Notification light
Notification light

Colors

Black, Gold, Gray, Purple, Blue, Red
Black, Gold, Gray, Blue

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features

Album art cover, Background playback, Dolby Atmos
Album art cover, Background playback

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
FM

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Qualcomm Snapdragon 845 SDM845
Samsung Exynos 5 Octa 7885

Processor

Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 630
Mali-G71

RAM

6 GB
4 GB

Internal storage

256 GB
64 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 256 GB

OS

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), Samsung One UI

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band; MIMO, Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

USB 3.1
USB 2.0

Connector

USB Type-C (reversible)
USB Type-C (reversible)

Features

Mass storage device, USB OTG
Mass storage device, USB charging

Location

GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, BeiDou

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Mobile Payment

Samsung Pay
Samsung Pay

Other

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66

LTE (TDD)

Bands 38, 39, 40, 41, 46
Bands 38, 40, 41

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

Battery

Capacity

3500 mAh
3000 mAh

Type

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Yes

Talk time

35.00 hours
the average is 21 h (1288 min)
 

Stand-by time

14.2 days (342 hours)
the average is 19 days (457 h)
 

Talk time (3G)

 
19.00 hours
the average is 23 h (1362 min)

Internet use

3G: 13 hours; LTE: 15 hours; Wi-Fi: 15 hours
3G: 12 hours; LTE: 14 hours; Wi-Fi: 15 hours

Music playback

102.00 hours
43.00 hours

Video playback

20.00 hours
17.00 hours

Phone features

Notifications

Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
 

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval

 
 

Date approved

Jan 11, 2018
Nov 14, 2017

FCC ID value: A3LSMG965U link
FCC ID value: A3LSMA530F link

FCC measured SAR

 
 

Head

0.36 W/kg
0.26 W/kg

Body

0.79 W/kg
0.76 W/kg

Simultaneous Transmission

1.59 W/kg
1.54 W/kg

Wireless Router

1.04 W/kg
0.98 W/kg

Phablet

3.94 W/kg
 

Shopping information

MSRP price

$ 940
 
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