Samsung Galaxy S8 vs Samsung Galaxy A3 (2017)

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Display

Size

5.8 inches
4.7 inches

Resolution

2960 x 1440 pixels, 18.5:9 ratio,
570 PPI
1280 x 720 pixels,
312 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

84.26 %
67.85 %

Features

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

Hardware

System chip

Qualcomm Snapdragon 835 MSM8998
Samsung Exynos 7 Octa 7870

Processor

Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 540
Mali-T830 MP2

RAM

4GB LPDDR4
2GB LPDDR3

Internal storage

64GB
16GB, available to use: 9.7 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 256 GB

OS

Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (7.0 Nougat, 6.0 Marshmallow)

Battery

Capacity

3000 mAh
2350 mAh

Type

Li - Ion, Not user replaceable
Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
 

Camera

Rear

Single camera
Single camera

Main camera

12 MP (OIS, PDAF)
13 MP (Autofocus, CMOS image sensor)

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.9

Video recording

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)

Features

HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Video calling, Video sharing

Front

8 MP (Wide Angle, Autofocus, HDR)
8 MP

Design

Dimensions

5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)
5.33 x 2.61 x 0.31 inches (135.4 x 66.2 x 7.9 mm)

Weight

5.47 oz (155.0 g)
the average is 6.2 oz (176 g)
4.87 oz (138.0 g)
the average is 6.2 oz (176 g)

Materials

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

Resistance

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

Biometrics

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

Features

 
Touch sensitive control keys

Colors

Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red
Black sky, Gold sand, Peach cloud, Blue mist

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 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)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 40(2300)

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data Speed

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSPA

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

32-Bit DAC, aptX-HD
Album art cover, Background playback

Screen mirroring

DLNA, Wireless screen share, MHL
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation, Video recording
 

Connectivity & Features

Bluetooth

5.0, EDR
4.2

Wi-Fi

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 (reversible), USB 3.1
Type-C (reversible)

Features

Charging, Video out, Mass storage device
Charging, Mass storage device

Location

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass

Sensors

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

Other

NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Regulatory Approval

FCC approval

 
 

Date approved

Apr 06, 2017
Dec 21, 2016

FCC ID value: A3LSMG950U link
FCC ID value: A3LSMA320F link

Measured SAR

 
 

Head

0.49 W/kg
0.45 W/kg

Body

0.48 W/kg
0.74 W/kg

Simultaneous Transmission

1.53 W/kg
1.56 W/kg

Wireless Router

0.46 W/kg
0.94 W/kg
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