Ark Benefit M551 (SuperD) vs Microsoft Surface Duo 2

Ark Benefit M551 (SuperD)

Microsoft Surface Duo 2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 3(1800), 7(2600), 18(800)

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
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
HSUPA speed

-

5.76 Mbps
LTE speed

LTE Cat4, 150.8 Mbps download, 51 Mbps upload

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

-

6 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, plastic

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

Dual SIM (Micro-SIM, dual SIM stand-by)

Nano-SIM, eSIM
Height

152 mm

145.2 mm
Width

75.7 mm

93.1 mm
Thickness

8.9 mm

11 mm
Height unfolded

-

184.5 mm
Width unfolded

-

145.2 mm
Thickness unfolded

-

5.5 mm
Weight

172 g

284 g
Stylus

-

Yes
Colors

Black, Gold

Glacier, Obsidian

Main camera
Camera type

Single

Triple
Main camera

13 MP

12 MP, (wide) , f/1.7 , 27 mm, 1.4 µm
(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

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

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

LED flash

-
Camera features

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

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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Wi-Fi hotspot
WLAN WiFi Direct

-

Wi-Fi direct
WLAN WiFi Dual Band

-

Dual-band
USB

microUSB 2.0

Type-C 3.2, DisplayPort
Bluetooth

v4.0

v5.1
Bluetooth A2DP

Yes

A2DP
bluetooth LE

-

LE
Bluetooth AptX

-

aptX Adaptive
GPS

Yes, with A-GPS

Yes, with A-GPS