Ark Benefit M551 (SuperD) vs Lenovo ZUK Z2 Pro

Ark Benefit M551 (SuperD)

Lenovo ZUK Z2 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100; TD-SCDMA
4G network

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

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE Cat4, 150.8 Mbps download, 51 Mbps upload

LTE, Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, plastic

-
SIM

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

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

152 mm

145.4 mm
Width

75.7 mm

70.5 mm
Thickness

8.9 mm

7.5 mm
Weight

172 g

145 g
Colors

Black, Gold

Ceramic White, Titanium Black

Main camera
Camera type

Single

-
Main camera

13 MP

13 MP, f/1.8
Primary camera resolution

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

2160p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

dual-LED (dual tone) 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

1.34 µm pixel size, HDR, face/smile detection, geo-tagging, panorama, touch focus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
Bluetooth

v4.0

v4.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Java

-

No
Sensors

Accelerometer, compass, gyroscope, proximity, light

Fingerprint, accelerometer, altimeter, compass, gyro, heart rate, proximity