Samsung Galaxy S9 vs Samsung Galaxy A7 (2018)

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Display

Display size

5.8 inches
6.0 inches

Resolution

1440 x 2960 pixels
1080 x 2220 pixels

Pixel density

568 ppi
411 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

84.36 %
74.55 %

Features

HDR video 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

Camera

Rear

Single camera
Triple camera

Main camera

12 megapixels
24 megapixels

Hardware Features

Optical image stabilization, Phase detection autofocus
Phase detection autofocus, CMOS image sensor

Specifications

Aperture size: F1.5/F2.4; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm

Second camera

 
8 megapixels

Hardware Features

 
Ultra-wide, Autofocus, CMOS image sensor, Back-illuminated sensor (BSI)

Specifications

 
Aperture size: F2.4; Focal Length: 18 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

 
5 megapixels

Hardware Features

 
Depth information

Specifications

 
Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 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, Video calling, Video sharing
Hyperlapse, Digital image stabilization, Video calling, Video sharing

Front

8 megapixels
24 megapixels

Features

Autofocus, High Dynamic Range mode (HDR)
Flash

Design

Dimensions

5.81 x 2.70 x 0.33 inches (147.7 x 68.7 x 8.5 mm)
6.29 x 3.02 x 0.30 inches (159.8 x 76.8 x 7.5 mm)

Weight

5.75 oz (163 g)
the average is 6 oz (172 g)
5.93 oz (168 g)
the average is 6 oz (172 g)

Materials

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 3); Frame: Plastic

Resistance

Water, Dust
 

IP certified

IP 68
 

Biometrics

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

Colors

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

Hardware & Performance

System chip

Qualcomm Snapdragon 845 SDM845
Samsung Exynos 7 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 MP2

RAM

4 GB
6 GB

Internal storage

256 GB
128 GB

Storage expansion

up to 400 GB
up to 512 GB

OS

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

Battery

Capacity

3000 mAh
3300 mAh

Charging

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

Talk time

31.00 hours
the average is 22 h (1342 min)
 

Stand-by time

3.4 days (82 hours)
the average is 20 days (480 h)
 

Talk time (3G)

 
19.00 hours
the average is 23 h (1364 min)

Internet use

 
 

3G

11 hours
12 hours

LTE

12 hours
14 hours

Wi-Fi

14 hours
14 hours

Music playback

51.00 hours
74.00 hours

Video playback

17.00 hours
17.00 hours

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, 3, 5, 7, 8, 20

LTE (TDD)

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

UMTS

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

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

CDMA

800, 1900 MHz
 

Data

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA

SIM type

Nano SIM
Nano SIM

VoLTE

 
Yes

Connectivity

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band

USB

USB 3.1
USB 2.0

Connector

USB Type-C (reversible)
microUSB

Features

Mass storage device, USB OTG, Video out
Mass storage device

Mobile Payment

Samsung Pay
Samsung Pay

Location

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

Other

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

Phone features

Sensors

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

Notifications

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

Other features

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

Multimedia

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
FM

Speakers

Earpiece, Multiple speakers
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Regulatory Approval

FCC approval

 
 

Date approved

Jan 11, 2018
Sep 13, 2018

FCC ID value: A3LSMG960U link
FCC ID value: A3LSMA750FN link

FCC measured SAR

 
 

Head

0.35 W/kg
0.50 W/kg

Body

0.96 W/kg
0.39 W/kg

Simultaneous Transmission

1.59 W/kg
1.59 W/kg

Wireless Router

0.95 W/kg
1.05 W/kg

Shopping information

In The Box

 
Charger, microUSB cable, Headphones, SIM Removal Tool, Documentation

MSRP price

$ 820
 
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