Asus ROG Phone II vs Oppo K9

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

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

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 28(700), 29(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 46

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

-

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

LTE-A, (5CA) Cat18, 1200 Mbps download, 150 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

AMOLED capacitive touchscreen

Super AMOLED
Physical size

6.59 inches

6.43 inches
Resolution

1080 x 2340 pixels

1080 x 2400 pixels
Pixel density

391 ppi

409 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6

Scratch resistant, 2.5D curved glass screen
Multitouch

Yes

-
Display features

DCI-P3 108%, HDR10

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

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.96 GHz Kryo 485

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

Triple-core 2.42 GHz Kryo 485

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

Quad-core 1.8 GHz Kryo 485

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SDM855 Snapdragon 855 Plus

Qualcomm SM7250-AC Snapdragon 768G 5G
GPU

Adreno 640

Adreno 620
Memory RAM

12 GB

8 GB
Internal storage

256, 512 GB

128, 256 GB
Memory card

No

No

Main camera
Camera type

Dual

Triple
Main camera

48 MP, f/1.79 , 26 mm, 1/2" , 0.8 µm

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

8 MP, (ultrawide) , f/2.2 , 119˚
(macro) , 2 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

9280 x 6920 pixels
Primary camera video

2160p@30/60fps, 1080p@30/60/240fps, 720p@480fps

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

dual-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, RAW, phase detection

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
DxOMark photo

97

-
DxOMark video

92

-
DxOMark camera score

95

-

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, 802.11n 5Ghz, 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 1.0 reversible connector

Type-C 2.0
USB connector

Accessory connector

-
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

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

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, hall, light, proximity, in-display optical fingerprint sensor

Accelerometer, compass, fingerprint, gyroscope, proximity