OnePlus Nord 3 vs Oppo K9 Pro

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, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - global version; 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 - India

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 28, 34, 38, 39, 40, 41
5G network

5G band 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 77, 78 SA/NSA - global version; 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA - India

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

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE, Cat18, 1566 Mbps download, 211 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Dragontrail Glass), glass back (Gorilla Glass 5), plastic frame

Plastic, glass
SIM

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

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

162 mm

158.7 mm
Width

75.1 mm

73.5 mm
Thickness

8.2 mm

8.5 mm
Weight

193.5 g

180 g
Waterproof

IP54

-
Dust proof

IP54

-
Colors

Gray, Green

Aurora, Black

Display
Display type

Fluid AMOLED

AMOLED
Physical size

6.74 inches

6.43 inches
Resolution

1240 x 2772 pixels

1080 x 2400 pixels
Pixel density

390 ppi

409 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Dragontrail glass

Scratch resistant, 2.5D curved glass screen, Asahi Dragontrail Glass
Display features

120Hz, HDR10+, 1450 nits (peak)

120Hz, HDR10, 430 nits (typ), 800 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.8 , 24 mm, 1/1.56" , 1.0 µm

(wide) , 64 MP, f/1.7 , 26 mm, 1/2.0" , 0.8 µm, 80˚ , 20x digital zoom
(ultrawide) , 8 MP, f/2.2 , 1/4" , 1.12 µm

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

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

8120 x 6180 pixels

9280 x 6920 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/120fps, 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, contrast detection autofocus

Autofocus, continuous 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, contrast detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.4 , 24 mm, 1.0 µm

(wide) , 16 MP, f/2.4 , 0.8 µm
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera features

Face unlock, HDR, face detection, digital image stabilization

Face unlock, HDR
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30fps, gyro-EIS

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

Yes

-
NFC

Yes

Yes
GPS

Yes

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes, 80W (60% in 15 min, 100% in 32 min)

VOOC 4.0, 60W (50% in 16 min)