Nokia G400 vs Oppo K9

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 1700(AWS), 1900

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

LTE frequency band 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

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

5G band 2, 5, 25, 41, 66, 71, 77 SA/NSA

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

LTE-A, 1200 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

Super AMOLED
Physical size

6.58 inches

6.43 inches
Resolution

1080 x 2408 pixels

1080 x 2400 pixels
Pixel density

401 ppi

409 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen
Display features

-

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

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 460

Single-core 2.8 GHz Kryo 475 Prime
CPU(second)

Hexa-core 1.9 GHz Kryo 460

Single-core 2.4 GHz Kryo 475 Gold
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SM4350-AC Snapdragon 480+ 5G

Qualcomm SM7250-AC Snapdragon 768G 5G
GPU

Adreno 619

Adreno 620
Memory RAM

4 GB

8 GB
Internal storage

64 GB

128, 256 GB
Memory card

microSD, microSDHC, microSDXC

No

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm

(wide) , 64 MP, f/1.7 , 1/2.0" , 0.8 µm, 80˚ , 20x digital zoom
(ultrawide) , 5 MP, f/2.2 , 115˚

(ultrawide) , 8 MP, f/2.2 , 119˚
(depth) , 2 MP, f/2.4

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

8000 x 6000 pixels

9280 x 6920 pixels
Primary camera video

1080p@30/60fps

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

LED flash

LED flash
Camera features

Autofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, speedwarp

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.0

(wide) , 32 MP, f/2.4 , 80˚ , 0.8 µm
Selfie camera resolution

4608 x 3456 pixels

6560 x 4928 pixels
Selfie camera features

Face unlock, HDR

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
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes