Samsung Galaxy S9+ vs Microsoft Surface Duo

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from $700
from $1999

Display

Size

6.2 inches
8.1 inches

Resolution

2960 x 1440 pixels, 18.5:9 ratio,
531 PPI
2700 x 1800 pixels, 3:2 ratio,
401 PPI

Technology

Super AMOLED
AMOLED

Screen-to-body

83.68 %
71.93 %

Features

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
360° folding, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Front cover display

 
5.6 inches, 1800 x 1350 pixels, AMOLED, Scratch-resistant glass (Corning Gorilla Glass 5), Part of the main display

Rear cover display

 
5.6 inches, 1800 x 1350 pixels, AMOLED, Scratch-resistant glass (Corning Gorilla Glass 5), Part of the main display

Hardware

System chip

Qualcomm Snapdragon 845 SDM845
Qualcomm Snapdragon 855 SM8150

Processor

Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm

GPU

Adreno 630
Adreno 640

RAM

6GB LPDDR4
6GB LPDDR4

Internal storage

64GB
128GB (UFS 3.0), not expandable

Storage expansion

microSDXC up to 400 GB
 

Device type

Smartphone
Smartphone

OS

Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI
Android (10)

Battery

Capacity

3500 mAh
3577 mAh

Type

Li - Ion, Not user replaceable
Not user replaceable

Charging

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

Max charge speed

 
Wired: 18.0W

Camera

Rear

Dual camera
Single camera, Doubles as a selfie camera

Main camera

12 MP (OIS, PDAF)
11 MP (PDAF)

Specifications

Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F2.0

Second camera

12 MP (Telephoto, OIS, Autofocus)
 

Specifications

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

Video recording

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

Features

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

Front

8 MP (Autofocus, HDR)
 

Design

Dimensions

6.22 x 2.91 x 0.33 inches (158.1 x 73.8 x 8.5 mm)
7.48 x 5.72 x 0.19 inches (190 x 145.3 x 4.8 mm)

Folded

 
145.2 x 93.3 x 9.9 mm

Weight

6.67 oz (189.0 g)
the average is 6.3 oz (179 g)
8.82 oz (250.0 g)
the average is 6.3 oz (179 g)

Materials

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

Resistance

Water, Dust; IP 68
 

Biometrics

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

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
Glacier

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), 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), 13(700 c), 14(700 PS), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)

LTE (TDD)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46

UMTS

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

Data Speed

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM, eSIM

Multimedia

Headphones

3.5mm jack
No 3.5mm jack

Speakers

Earpiece, Multiple speakers
Earpiece, Loudspeaker

Features

32-Bit DAC, Dolby Atmos, aptX-HD
aptX

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

5.0
5.0

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), USB 3.1

Features

Charging, OTG, Video out
Charging, Headphones port, Video out

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, Hall (for flip covers), Heart rate

Other

NFC, ANT+
 

Regulatory Approval

FCC approval

 
 

Date approved

Jan 11, 2018
 

FCC ID value: A3LSMG965U link
 

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
 

Buyers information

Price

$ 840
$ 1399

In The Box

 
Bumper (Color: Glacier), Power Supply (18w), Quick Start Guide, Warranty and Compliance Guide, SIM Ejector tool

Availability

Officially announced

Feb 25, 2018
Aug 12, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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