Microsoft Surface Duo 2 vs Samsung Galaxy S9

Microsoft Surface Duo 2

Samsung Galaxy S9

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71

LTE
5G network

5G band 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - global; 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (5CA) Cat20, 2000 Mbps download, 150 Mbps upload

-
LTE-A speed

-

LTE-A, (6CA) Cat18, 1200 Mbps download, 200 Mbps upload
5G speed

6 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus), glass back (Gorilla Glass)

Front/back glass (Gorilla Glass 5), aluminum frame
SIM

Nano-SIM, eSIM

Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

145.2 mm

147.7 mm
Width

93.1 mm

68.7 mm
Thickness

11 mm

8.5 mm
Height unfolded

184.5 mm

-
Width unfolded

145.2 mm

-
Thickness unfolded

5.5 mm

-
Weight

284 g

163 g
Stylus

Yes

-
Payment

-

Samsung Pay(Visa, Mastercard certified)
Waterproof

-

IP68, 1.5m and 30 minutes
Dust proof

-

Yes, IP68
Colors

Glacier, Obsidian

Coral Blue, Lilac Purple, Midnight Black, Titanium Gray

Display
Display type

AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

8.3 inches

5.8 inches
Resolution

1892 x 2588 pixels

1440 x 2960 pixels
Pixel density

401 ppi

570 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass Victus

Corning Gorilla Glass 5
Multitouch

-

Yes
Display features

90Hz, HDR, 800 nits (peak)

HDR10 compliant, 3D Touch, Always-on display
Cover display

AMOLED capacitive touchscreen

-
Cover display physical size

5.8 inches

-
Cover display resolution

1344 x 1892 pixels

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.84 GHz Kryo 680

Quad-core 2.7 GHz Mongoose M3
CPU(second)

Triple-core 2.42 GHz Kryo 680

quad-core 1.8 GHz Cortex-A55
CPU(third)

Quad-core 1.80 GHz Kryo 680
Chipset

Qualcomm SM8350 Snapdragon 888 5G

Exynos 9810 Octa / Qualcomm SDM845 Snapdragon 845
GPU

Adreno 660

Mali-G72 MP18 / Adreno 630
Internal storage

128, 256, 512 GB

64, 128, 256 GB
Memory RAM

8 GB

4 GB
Memory card

No

microSD(uses second SIM slot)
Memory card max

-

400 GB
Storage

UFS

-

Main camera
Camera type

Triple

-
Camera type

-

Photo / Video
Main camera

(wide) , 12 MP, f/1.7 , 27 mm, 1.4 µm

12 MP, f/1.5-2.4 , 26 mm, 1.4 µm, 1/2.5"
(telephoto) , 12 MP, f/2.4 , 51 mm, 1.0 µm, 2x optical zoom
(ultrawide) , 13 MP, f/2.2 , 1.0 µm
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR

2160p@60fps, 1080p@240fps, 720p@960fps
Primary camera Autofocus

-

dual pixel phase detection autofocus
Primary camera flash

-

LED flash
Primary camera optical image stabilization

-

optical image stabilization
Primary camera video dual video

-

dual-video record
Primary camera video hdr

-

HDR
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Auto HDR, Geo-tagging, face/smile detection, panorama, simultaneous 4K video and 9MP image recording, touch focus

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 12 MP, f/2.0 , 24 mm, 1.0 µm

8 MP, f/1.7 , 25 mm, 1.22 µm, 1/3.6"
Selfie camera resolution

-

3264 x 2448 pixels
Secondary camera autofocus

-

autofocus
Secondary camera dual video call

-

dual video call
Secondary camera HDR

-

Auto HDR
Selfie camera video

1080p@30fps

1440p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

Wi-Fi hotspot

Yes
WLAN WiFi Direct

Wi-Fi direct

Yes
WLAN WiFi Dual Band

Dual-band

Yes
USB

Type-C 3.2, DisplayPort

Type-C 1.0 reversible connector
Bluetooth

v5.1

v5.0
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

Yes
Bluetooth AptX

aptX Adaptive

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Sensors

Dual accelerometer, dual compass, fingerprint, dual gyroscope, dual proximity

Iris scanner, SpO2, accelerometer, barometer, compass, fingerprint (rear-mounted), gyro, heart rate, proximity