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Model

Microsoft Surface Duo

Compare Microsoft Surface Duo and Ulefone S9 Pro

Microsoft Surface Duo vs Ulefone S9 Pro

Microsoft Surface Duo

Microsoft Surface Duo

Ulefone S9 Pro

Microsoft Surface Duo

Ulefone S9 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 900, 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, 46, 66

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE-A (CA) Cat18, 1200 Mbps download, 100 Mbps upload

LTE, Cat4 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2020-08

2018-6
Status

2020-08

2018-6

Design
Build

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)

Plastic
SIM

Nano-SIM, eSIM

Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
Height

145.2 mm

147.8 mm
Width

93.3 mm

70.5 mm
Thickness

9.9 mm

8.8 mm
Height unfolded

186.9 mm

-
Width unfolded

145.2 mm

-
Thickness unfolded

4.8 mm

-
Weight

250 g

155 g
Stylus

Yes

-
Colors

White

Black, Blue, Gold

Display
Display type

AMOLED capacitive touchscreen

IPS capacitive touchscreen
Physical size

8.1 inches

5.5 inches
Resolution

1800 x 2700 pixels

720 x 1440 pixels
Pixel density

401 ppi

293 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 5

2.5D curved glass screen
Multitouch

-

Yes
Cover display

AMOLED capacitive touchscreen

-
Cover display physical size

5.6 inches

-
Cover display resolution

1350 x 1800 pixels

-

Hardware
CPU

Octa-core

-
CPU

Single-core 2.84 GHz Kryo 485

Quad-core 1.3 GHz Cortex-A53 ARM
CPU(second)

Triple-core 2.42 GHz Kryo 485
CPU(third)

Quad-core 1.78 GHz Kryo 485
Chipset

Qualcomm SM8150 Snapdragon 855

Mediatek MT6739
GPU

Adreno 640

PowerVR GE8100
Memory RAM

6 GB

2 GB
Internal storage

128, 256 GB

16 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

128 GB
Storage

UFS 3.0

-

OS
OS

Android 10

Android OS, v8.1 Oreo

Main camera
Camera type

Single

Dual
Main camera

11 MP, f/2.0 , 23 mm, 1.0 µm

8 MP, f/2.0
5 MP
Interpolated resolution

-

13 MP
Primary camera resolution

-

3264 x 2448 pixels
Primary camera video

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

1080p@30fps
Primary camera flash

-

dual-LED flash
Camera features

-

Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Selfie camera
Selfie camera

5 MP
Selfie camera interpolated resolution

-

8 MP
Selfie camera resolution

-

2560 x 1920 pixels
Selfie camera video

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

720p@30fps

Sound
3.5mm jack

-

Yes
Loudspeaker

Yes, with stereo speakers

Yes

Multimedia
Radio

No

-
Radio FM

-

FM radio

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHz
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C reversible connector

microUSB 2.0
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Bluetooth AptX

aptX Adaptive

-
GPS

Yes, with A-GPS

Yes, with A-GPS

Features
Sensors

Accelerometer, fingerprint, proximity

Accelerometer, fingerprint, light, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Ion
Battery capacity

3577 mAh

3300 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes

-
Talk time 2G

-

18 h
Talk time 3G

-

18 h
Standby time 2G

-

250 h
Standby time 3G

-

250 h

Cost
Price

1400 USD

-

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