Asus Zenfone 5z ZS620KL vs Microsoft Surface Duo 2

Asus Zenfone 5z ZS620KL

Microsoft Surface Duo 2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE

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

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, (5CA) Cat18, 1200 Mbps download, 100 Mbps upload

-
5G speed

-

6 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass, aluminum body

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

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

Nano-SIM, eSIM
Height

153 mm

145.2 mm
Width

75.7 mm

93.1 mm
Thickness

7.9 mm

11 mm
Height unfolded

-

184.5 mm
Width unfolded

-

145.2 mm
Thickness unfolded

-

5.5 mm
Weight

155 g

284 g
Stylus

-

Yes
Colors

Meteor Silver, Midnight Blue

Glacier, Obsidian

Main camera
Camera type

Dual

Triple
Main camera

12 MP, f/1.8 , 24 mm, 1/2.55" , 1.4 µm

12 MP, f/1.7 , 27 mm, 1.4 µm, (wide)
8 MP, f/2.0 , 12 mm, 1/4" , 1.12 µm

12 MP, f/2.4 , 51 mm, 1.0 µm, (telephoto) , 2x optical zoom
(ultrawide) , 13 MP, f/2.2 , 1.0 µm
Primary camera video

2160p@60fps, 1080p@30/60/120fps, 720p@240fps

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

phase detection autofocus

-
Primary camera flash

dual-LED (dual tone) flash

-
Electronic image stabilization

EIS (gyro)

-
Camera features

Geo-tagging, HDR, face detection, panorama, touch focus

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

Selfie camera
Selfie camera type

-

Single
Selfie camera

8 MP, f/2.0 , 24 mm, 1/4" , 1.12 µm

12 MP, f/2.0 , 24 mm, 1.0 µm, (wide)
Electronic image stabilization

EIS (gyro)

-
Selfie camera video

1080p

1080p@30fps

Connectivity
WLAN

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

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

Yes

Wi-Fi direct
WLAN WiFi Dual Band

-

Dual-band
USB

Type-C 1.0 reversible connector

Type-C 3.2, DisplayPort
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

A2DP
bluetooth LE

Yes

LE
Bluetooth AptX

-

aptX Adaptive
NFC

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 Email

Push Email

-
Sensors

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity

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