Asus ROG Phone 3 ZS661KS vs Asus Zenfone Max (M1) ZB555KL

Asus ROG Phone 3 ZS661KS

Asus Zenfone Max (M1) ZB555KL

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100 - A version; HSDPA 850, 900, 1700(AWS), 1900, 2100 - B version

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 - A version; LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41 - B version

LTE
5G network

5G band 1, 2, 3, 5, 28, 41, 66, 71, 77, 78, 79; SA/NSA - A version; 5G band 41, 77, 78, 79 SA/NSA - B version

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, (6CA) Cat20, 2000 Mbps download, 150 Mbps upload

-
LTE-A speed

-

LTE-A, Cat4, 150 Mbps download, 50 Mbps upload
5G speed

4.4 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame

Front glass, aluminum body
SIM

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

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

171 mm

147.3 mm
Width

78 mm

70.9 mm
Thickness

9.9 mm

8.7 mm
Weight

240 g

150 g
Build features

RGB light panel (on the back), Pressure sensitive zones (Gaming triggers)

-
Colors

Black

Deepsea Black, Ruby Red, Sunlight Gold

Hardware
CPU

Octa-core

-
CPU

Single-core 3.1 GHz Kryo 585

Octa-core 1.4 GHz Cortex-A53 ARM
CPU(second)

Triple-core 2.42 GHz Kryo 585
CPU(third)

Quad-core 1.8 GHz Kryo 585
Chipset

Qualcomm SM8250 Snapdragon 865+

Qualcomm MSM8917 Snapdragon 425 / Qualcomm MSM8937 Snapdragon 430
GPU

Adreno 650

Adreno 308 / Adreno 505
Memory RAM

8, 12, 16 GB

2, 3 GB
Internal storage

128, 256, 512 GB

32 GB
Memory card

No

microSD
Memory card max

-

256 GB
Storage

UFS 3.1

-

Main camera
Camera type

Triple

Dual
Main camera

64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm

13 MP, f/2.0 , 17 mm
13 MP, f/2.4 , 11 mm

8 MP, 17 mm
5 MP, f/2.0
Primary camera video

8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Electronic image stabilization

-

EIS (gyro)
Camera features

HDR, Panorama

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ad

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C 3.1 (side), Type-C 2.0 (bottom)

microUSB 2.0
USB connector

Accessory connector

-
Bluetooth

v5.1

v4.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

Yes
QZSS

Yes

-
GNSS

Yes

-

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

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