Microsoft Surface Duo 2 vs Realme 9i

Microsoft Surface Duo 2

Realme 9i

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 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, 42, 46, 48, 66, 71

LTE frequency band 1, 3, 5, 8, 38, 40, 41
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
5G speed

6 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Glass front, plastic frame, plastic back
SIM

Nano-SIM, eSIM

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

145.2 mm

164.4 mm
Width

93.1 mm

75.7 mm
Thickness

11 mm

8.4 mm
Height unfolded

184.5 mm

-
Width unfolded

145.2 mm

-
Thickness unfolded

5.5 mm

-
Weight

284 g

190 g
Stylus

Yes

-
Colors

Glacier, Obsidian

Black, Blue

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 12 MP, f/1.7 , 27 mm, 1.4 µm

(wide) , 50 MP, f/1.8 , 26 mm, 0.64 µm, 1/2.76"
(telephoto) , 12 MP, f/2.4 , 51 mm, 1.0 µm, 2x optical zoom

(macro) , 2 MP, f/2.4
(ultrawide) , 13 MP, f/2.2 , 1.0 µm

(depth) , 2 MP, f/2.4
Primary camera video

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

1080p@30fps
Primary camera flash

-

LED flash
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

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 12 MP, f/2.0 , 24 mm, 1.0 µm

(wide) , 16 MP, f/2.1 , 1.0 µm, 1/3.0"
Selfie camera video

1080p@30fps

1080p@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, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Wi-Fi hotspot

Yes
WLAN WiFi Direct

Wi-Fi direct

-
WLAN WiFi Dual Band

Dual-band

Yes
USB

Type-C 3.2, DisplayPort

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

Yes
Bluetooth AptX

aptX Adaptive

-
NFC

-

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes