Asus Zenfone Max (M2) ZB633KL vs Microsoft Surface Duo 2

Asus Zenfone Max (M2) ZB633KL

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 frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300)

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, Cat4, 150 Mbps download, 50 Mbps upload

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

-

6 Gbps download
GPRS

Yes

Yes
EDGE

GPRS

Yes

Design
Build

Aluminium alloy

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

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

Nano-SIM, eSIM
Height

158.4 mm

145.2 mm
Width

76.3 mm

93.1 mm
Thickness

7.7 mm

11 mm
Height unfolded

-

184.5 mm
Width unfolded

-

145.2 mm
Thickness unfolded

-

5.5 mm
Weight

160 g

284 g
Stylus

-

Yes
Colors

Black, Blue

Glacier, Obsidian

Main camera
Camera type

Dual

Triple
Main camera

13 MP, f/1.8 , 1.12 µm

12 MP, f/1.7 , 1.4 µm, (wide) , 27 mm
2 MP, f/2.4

12 MP, f/2.4 , (telephoto) , 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

2160p@30fps, 1080p@30fps

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

LED flash

-
Primary camera phase detection autofocus

phase detection autofocus

-
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, RAW

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 , 26 mm, 1.12 µm

12 MP, f/2.0 , 24 mm, 1.0 µm, (wide)
Selfie camera resolution

3264 x 2448 pixels

-
Selfie camera video

1080p@30fps

1080p@30fps

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

Yes

Wi-Fi direct
WLAN WiFi Dual Band

-

Dual-band
USB

microUSB 2.0

Type-C 3.2, DisplayPort
USB On-The-Go

Yes

-
Bluetooth

v4.2

v5.1
Bluetooth A2DP

Yes

A2DP
bluetooth LE

Yes

LE
Bluetooth AptX

-

aptX Adaptive
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
Beidou

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, proximity

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