Asus ROG Phone 6 vs Oppo K9

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71, - Version A; 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 32, 34, 38, 39, 40, 41, 42, 48 - Version B; 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48 - Version C

LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G network

5G band 1, 2, 3, 5, 7, 8, 12, 13, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79 SA/NSA/Sub6 - Version A; 1, 3, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - Version B; 1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6 - Version C

5G band 1, 3, 28, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (6CA), Cat20, 2024 Mbps download, 210 Mbps upload

LTE-A, 1200 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Aluminium alloy, glass
SIM

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

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

173 mm

159.1 mm
Width

77 mm

73.4 mm
Thickness

10.3 mm

7.9 mm
Weight

239 g

172 g
Waterproof

IPX4

-
Dust proof

IPX4

-
Build features

Pressure sensitive zones (Gaming triggers), Illuminated RGB logo (on the back)

-
Colors

Black, White

Aurora, Black

Display
Display type

AMOLED

Super AMOLED
Physical size

6.78 inches

6.43 inches
Resolution

1080 x 2448 pixels

1080 x 2400 pixels
Pixel density

395 ppi

409 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus, Oleophobic coating

Scratch resistant, 2.5D curved glass screen
Display features

165Hz, HDR10+, 800 nits (typ), 1200 nits (peak)

90Hz, 430 nits (typ), 750 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.19 GHz Cortex-X2

Single-core 2.8 GHz Kryo 475 Prime
CPU(second)

Triple-core 2.75 GHz Cortex-A710

Single-core 2.4 GHz Kryo 475 Gold
CPU(third)

Quad-core 1.8 GHz Cortex-A510

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SM8475 Snapdragon 8+ Gen 1

Qualcomm SM7250-AC Snapdragon 768G 5G
GPU

Adreno 730

Adreno 620
Internal storage

128, 256, 512 GB

128, 256 GB
Memory RAM

8, 12, 16 GB

8 GB
Memory card

No

No
Storage

UFS 3.1

-

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.9 , 24 mm, 1/1.56" , 1.0 µm

(wide) , 64 MP, f/1.7 , 1/2.0" , 0.8 µm, 80˚ , 20x digital zoom
(ultrawide) , 13 MP, f/2.2 , 125˚ , 12 mm

(ultrawide) , 8 MP, f/2.2 , 119˚
(macro) , 5 MP

(macro) , 2 MP, f/2.4
Primary camera resolution

8190 x 6120 pixels

9280 x 6920 pixels
Primary camera video

8K@24fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS

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

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical 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, RAW, Pro Video mode

Autofocus, continuous autofocus, continuous shooting, digital zoom, digital image stabilization, optical 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, contrast detection autofocus

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
WiFi Tri-Band

Yes

-
USB

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

Type-C 2.0
USB connector

Accessory connector

-
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

aptX HD
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

6000 mAh

4300 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 5.0, 65W (100% in 42 min)

VOOC 4.0 (100% in 35 min)
Reverse charging

Yes, 10W

-