Oppo K9x vs Samsung Galaxy Z Flip4

Oppo K9x

Samsung Galaxy Z Flip4

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 28, 29, 34, 38, 39, 40, 41, 66
5G network

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

5G band 1, 3, 20, 41, 77, 78, 79, 81 SA/NSA/Sub6/mmWave
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, 750 Mbps download, 211 Mbps upload

LTE-A (6CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, glass

Plastic front (opened), glass back (Gorilla Glass Victus+), aluminum frame
SIM

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

Nano-SIM, eSIM
Height

162.2 mm

84.9 mm
Width

74.8 mm

71.9 mm
Thickness

8.8 mm

15.9-17.1 mm
Height unfolded

-

165.2 mm
Width unfolded

-

71.9 mm
Thickness unfolded

-

6.9 mm
Weight

194 g

187 g
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

-

IPX8, 1.5m and 30 minutes
Colors

Black, Blue

Blue, Pink Gold, Graphite, Khaki, Navy, Purple, Red, Yellow

Display
Display type

IPS LCD

Foldable Dynamic AMOLED 2X
Physical size

6.49 inches

6.7 inches
Resolution

1080 x 2400 pixels

1080 x 2640 pixels
Pixel density

405 ppi

426 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Aluminosilicate glass

-
Display features

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

120Hz, HDR10+, 1200 nits (peak)
Cover display

-

Super AMOLED
Cover display physical size

-

1.9 inches
Cover display resolution

-

260 x 512 pixels

Main camera
Camera type

Triple

Dual
Main camera

(wide) , 64 MP, f/1.7 , 81˚ , 26 mm, 1/1.97" , 0.7 µm, 20x digital zoom

(wide) , 12 MP, f/1.8 , 83˚ , 24 mm, 1.8 µm, 10x digital zoom
(macro) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm

(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm
89˚ , (depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

9280 x 6920 pixels

4032 x 3024 pixels
Primary camera video

1080p@30fps, gyro-EIS

4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+
Primary camera flash

LED flash

LED flash
Camera features

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

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, tracking autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 10 MP, f/2.4 , 80˚ , 1.22 µm, 26 mm
Selfie camera resolution

4640 x 3456 pixels

-
Selfie camera features

Face unlock, HDR

Autofocus, face unlock, HDR
Selfie camera video

1080p@30fps

4K@30fps

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

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

Yes

-
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

3700 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

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

Quick Charge, 25W (50% in 30 min)
Reverse charging

Yes

-
Wireless reverse charging

-

Yes, 4.5W
Fast wireless charging

-

Qi, 15W

Oppo K9x comparisons