Oppo K9 vs vivo X90 Pro+

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 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 66
5G network

5G band 1, 3, 28, 41, 77, 78 SA/NSA

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 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
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

Super AMOLED

LTPO4 AMOLED
Physical size

6.43 inches

6.78 inches
Resolution

1080 x 2400 pixels

1440 x 3200 pixels
Pixel density

409 ppi

517 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, 3D curved glass screen
Display features

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

120Hz, Dolby Vision, HDR10+, 1800 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.8 GHz Kryo 475 Prime

Single-core 3.2 GHz Cortex-X3
CPU(second)

Single-core 2.4 GHz Kryo 475 Gold

dual-core 2.8 GHz Cortex-A715
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver

Dual-core 2.8 GHz Cortex-A710
CPU(fourth)

Triple-core 2.0 GHz Cortex-A510
Chipset

Qualcomm SM7250-AC Snapdragon 768G 5G

Qualcomm SM8550 Snapdragon 8 Gen 2
GPU

Adreno 620

Adreno 740
Memory RAM

8 GB

12 GB
Internal storage

128, 256 GB

256, 512 GB
Memory card

No

No
Storage

-

UFS 4.0

OS
OS

Android 11, ColorOS 11.1

Android 13, Funtouch (global), Origin OS 3 (China)

Main camera
Camera type

Triple

Quad
Main camera

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

(wide) , 50.3 MP, f/1.8 , 1.6 µm, 100x digital zoom , 23 mm
(ultrawide) , 8 MP, f/2.2 , 119˚

(periscope telephoto) , 64 MP, f/3.5 , 90 mm, 1/2.0" , 0.7 µm, 3.5x optical zoom
(macro) , 2 MP, f/2.4

(telephoto) , 50 MP, f/1.6 , 1/2.4" , 0.7 µm, 2x optical zoom
(telephoto) , 48 MP, f/2.2 , 14 mm, 1/2.0" , 0.8 µm
Primary camera resolution

9280 x 6920 pixels

8190 x 6120 pixels
Primary camera video

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

8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS, 14-bit RAW video
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

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

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, phase detection autofocus, laser autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.4 , 80˚ , 0.8 µm

(wide) , 32 MP, f/2.5 , 0.8 µm, 24 mm, 1/2.8"
Selfie camera resolution

6560 x 4928 pixels

6528 x 4896 pixels
Selfie camera features

Face unlock, digital image stabilization

Face unlock
Selfie camera video

1080p@30fps

4K@30fps, 1080p@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

-
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

aptX HD
Infrared

-

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes