Oppo Find X6 Pro 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 1x

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, 26, 28, 34, 38, 39, 40, 41, 66

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

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA

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

42.2 Mbps

42.2 Mbps
HSUPA speed

11.5 Mbps

5.76 Mbps
LTE speed

LTE-A

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass 5) or eco leather back, aluminum frame

Plastic, glass
SIM

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

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

164.8 mm

162.2 mm
Width

76.2 mm

74.8 mm
Thickness

9.1/9.5 mm

8.8 mm
Weight

216/218 g

194 g
Waterproof

IP68 (up to 1.5m and 30 mins)

-
Dust proof

IP68

-
Colors

Black, Brown, Green

Black, Blue

Display
Display type

LTPO3 AMOLED

IPS LCD
Physical size

6.82 inches

6.49 inches
Resolution

1440 x 3168 pixels

1080 x 2400 pixels
Pixel density

510 ppi

405 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus 2

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

120Hz, Dolby Vision, HDR10+, 800 nits (typ), 1500 nits (HBM), 2500 nits (peak)

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

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.8 , 23 mm, 1/1" , 1.0 µm, 120x digital zoom

(wide) , 64 MP, f/1.7 , 26 mm, 1/1.97" , 0.7 µm, 20x digital zoom , 81˚
(periscope telephoto) , 50 MP, f/2.6 , 65 mm, 1/1.56" , 1.0 µm, 2.8x optical zoom

(macro) , 2 MP, f/2.4 , 1/5" , 1.75 µm, 89˚
110˚ , (ultrawide) , 50 MP, f/2.2 , 15 mm, 1/1.56" , 1.0 µm

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

-

9280 x 6920 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10-bit video, Dolby Vision

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

LED flash

LED flash
Camera features

Autofocus, continuous 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, contrast detection autofocus, multi-directional phase detection autofocus, RAW, HEIF

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) , 32 MP, f/2.4 , 21 mm, 1/2.74" , 0.8 µm

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

-

4640 x 3456 pixels
Selfie camera features

Face unlock, HDR, autofocus, face detection, digital image stabilization

Face unlock, HDR
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30fps

Connectivity
WLAN

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

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

Type-C 3.1

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.3

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

Yes
Infrared

Yes

-
NFC

Yes; NFC-SIM, HCE, eSE, eID

No
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-

Features
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 100W (45% in 10 min, 100% in 30 min)

VOOC 4.0, 33W (50% in 27 min)
Reverse charging

-

Yes
Wireless reverse charging

Yes, 10W

-
Fast wireless charging

Qi, 50W (50% in 22 min, 100% in 51 min)

-