Huawei Mate X3 vs Oppo K9x

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; CDMA2000 1xEV-DO

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

LTE frequency band 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41

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

5G band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 SA/NSA

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
LTE speed

LTE

LTE-A, 750 Mbps download, 211 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, glass back or eco leather back, aluminum frame

Plastic, glass
SIM

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

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

156.9 mm

162.2 mm
Width

72.4 mm

74.8 mm
Thickness

11.8 mm

8.8 mm
Height unfolded

156.9 mm

-
Width unfolded

141.5 mm

-
Thickness unfolded

5.3 mm

-
Weight

239/241 g

194 g
Waterproof

IPX8

-
Dust proof

IPX8

-
Colors

Black, Dark Green, Gold, Purple, White

Black, Blue

Display
Display type

Foldable OLED

IPS LCD
Physical size

7.85 inches

6.49 inches
Resolution

2224 x 2496 pixels

1080 x 2400 pixels
Pixel density

426 ppi

405 ppi
Display colors

1073741824

16777216
Protection

Kunlun Glass (cover display only)

Scratch resistant, 2.5D curved glass screen, Aluminosilicate glass
Display features

120Hz

90Hz, 480 nits (typ), 600 nits (HBM)
Cover display

OLED

-
Cover display physical size

6.4 inches

-
Cover display resolution

1080 x 2504 pixels

-

OS
OS

HarmonyOS 3.1 (China), EMUI (Europe), no Google Play Services

Android 11, ColorOS 11.1

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.9 , 23 mm, 50x digital zoom

(wide) , 64 MP, f/1.7 , 26 mm, 20x digital zoom , 81˚ , 1/1.97" , 0.7 µm
(periscope telephoto) , 8 MP, f/3.4 , 125 mm, 5x optical zoom

(macro) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm
(ultrawide) , 13 MP, f/2.2 , 13 mm

(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm
Primary camera resolution

8192 x 6144 pixels

9280 x 6920 pixels
Primary camera video

4K@30/60fps, 1080p@30/60fps, gyro-EIS

1080p@30fps, gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, optical 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, XMAGE

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.4

(wide) , 16 MP, f/2.0 , 79˚ , 1/3.0" , 1.0 µm
Selfie camera resolution

3264 x 2448 pixels

4640 x 3456 pixels
Selfie camera features

Face unlock, HDR

Face unlock, HDR
Selfie camera video

4K@30fps, 1080p@30fps

1080p@30fps

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

Yes
USB

Type-C 3.1, Display Port 1.2

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

Yes
Infrared

Yes

-
NFC

Yes; NFC-SIM, HCE

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

Accelerometer, altimiter, barometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity