Oppo K9 vs Realme 9

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 850, 900, 2100
4G network

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

LTE frequency band 1, 3, 5, 8, 38, 40, 41
5G network

5G band 1, 3, 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-A, 1200 Mbps download, 210 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

Super AMOLED

Super AMOLED
Physical size

6.43 inches

6.4 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

409 ppi

411 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Display features

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

90Hz, 430 nits (typ), 1000 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.8 GHz Kryo 475 Prime

Quad-core 2.4 GHz Kryo 265 Gold
CPU(second)

Single-core 2.4 GHz Kryo 475 Gold

quad-core 1.9 GHz Kryo 265 Silver
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SM7250-AC Snapdragon 768G 5G

Qualcomm SM6225 Snapdragon 680 4G
GPU

Adreno 620

Adreno 610
Memory RAM

8 GB

6, 8 GB
Internal storage

128, 256 GB

128 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

256 GB
Storage

-

UFS 2.1

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 108 MP, f/1.8 , 1/1.67" , 0.64 µm, 26 mm
(ultrawide) , 8 MP, f/2.2 , 119˚

(ultrawide) , 8 MP, f/2.2 , 1/4" , 1.12 µm
(macro) , 2 MP, f/2.4

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

9280 x 6920 pixels

12000 x 9000 pixels
Primary camera video

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

1080p@30fps
Primary camera flash

LED flash

LED 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, 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, proLight, smart ISO

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.4 , 80˚ , 0.8 µm

(wide) , 16 MP, f/2.5 , 1.0 µm, 1/3.09"
Selfie camera resolution

6560 x 4928 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, digital image stabilization

-
Selfie camera video

1080p@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
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

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

No

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4300 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

VOOC 4.0 (100% in 35 min)

Yes, 33W (50% in 31 min, 100% in 75 min)