Asus ROG Phone 3 ZS661KS vs Samsung Galaxy S9

Asus ROG Phone 3 ZS661KS

Samsung Galaxy S9

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, 1700(AWS), 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, (6CA) Cat18, 1200 Mbps download, 200 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/back glass (Gorilla Glass 5), aluminum frame
SIM

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

Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

171 mm

147.7 mm
Width

78 mm

68.7 mm
Thickness

9.9 mm

8.5 mm
Weight

240 g

163 g
Payment

-

Samsung Pay(Visa, Mastercard certified)
Waterproof

-

IP68, 1.5m and 30 minutes
Dust proof

-

Yes, IP68
Build features

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

-
Colors

Black

Coral Blue, Lilac Purple, Midnight Black, Titanium Gray

Display
Display type

AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.59 inches

5.8 inches
Resolution

1080 x 2340 pixels

1440 x 2960 pixels
Pixel density

391 ppi

570 ppi
Display colors

1073741824

16777216
Protection

Corning Gorilla Glass 6

Corning Gorilla Glass 5
Multitouch

-

Yes
Display features

HDR10+, 144Hz refresh rate, 650 nits max. brightness

HDR10 compliant, 3D Touch, Always-on display
DxOMark display score

70

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.1 GHz Kryo 585

Quad-core 2.7 GHz Mongoose M3
CPU(second)

Triple-core 2.42 GHz Kryo 585

quad-core 1.8 GHz Cortex-A55
CPU(third)

Quad-core 1.8 GHz Kryo 585
Chipset

Qualcomm SM8250 Snapdragon 865+

Exynos 9810 Octa / Qualcomm SDM845 Snapdragon 845
GPU

Adreno 650

Mali-G72 MP18 / Adreno 630
Internal storage

128, 256, 512 GB

64, 128, 256 GB
Memory RAM

8, 12, 16 GB

4 GB
Memory card

No

microSD(uses second SIM slot)
Memory card max

-

400 GB
Storage

UFS 3.1

-

Main camera
Camera type

Triple

-
Camera type

-

Photo / Video
Main camera

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

12 MP, f/1.5-2.4 , 26 mm, 1/2.5" , 1.4 µm
13 MP, f/2.4 , 11 mm
5 MP, f/2.0
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

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

2160p@60fps, 1080p@240fps, 720p@960fps
Primary camera Autofocus

-

dual pixel phase detection autofocus
Primary camera flash

LED flash

LED flash
Primary camera optical image stabilization

-

optical image stabilization
Primary camera video dual video

-

dual-video record
Primary camera video hdr

-

HDR
Camera features

HDR, Panorama

Auto HDR, Geo-tagging, face/smile detection, panorama, simultaneous 4K video and 9MP image recording, touch focus

Selfie camera
Selfie camera

24 MP, f/2.0 , 27 mm, 0.9 µm

8 MP, f/1.7 , 25 mm, 1.22 µm, 1/3.6"
Selfie camera resolution

-

3264 x 2448 pixels
Secondary camera autofocus

-

autofocus
Secondary camera dual video call

-

dual video call
Secondary camera HDR

-

Auto HDR
Selfie camera video

1080p@30fps

1440p@30fps

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

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

Type-C 1.0 reversible connector
USB connector

Accessory connector

-
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

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 Mail

-

Push Mail
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Iris scanner, SpO2, accelerometer, barometer, compass, fingerprint (rear-mounted), gyro, heart rate, proximity