Nokia 4.2 vs Oppo K9

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100 - global; HSDPA 850, 900, 1700(AWS), 1900, 2100 - LATAM

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - EMEA, APAC, MENA; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 28(700), 38(2600), 66(1700/2100) - LATAM; LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) - India

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

LTE, Cat4, 150 Mbps download, 50 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED
Physical size

5.71 inches

6.43 inches
Resolution

720 x 1520 pixels

1080 x 2400 pixels
Pixel density

295 ppi

409 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen
Multitouch

Yes

-
Display features

-

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

Main camera
Camera type

Dual

Triple
Main camera

13 MP, f/2.2 , 1/3" , 1.12 µm

64 MP, f/1.7 , 1/2.0" , 0.8 µm, (wide) , 80˚ , 20x digital zoom
2 MP, f/2.2 , 1.75 µm

8 MP, f/2.2 , (ultrawide) , 119˚
(macro) , 2 MP, f/2.4
Primary camera resolution

4160 x 3120 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

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

dual-LED flash

LED flash
Primary camera phase detection autofocus

phase detection autofocus

-
Camera features

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

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
Selfie camera

8 MP, f/2.0 , 1/4" , 1.12 µm

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

3264 x 2448 pixels

6560 x 4928 pixels
Selfie camera features

-

Face unlock, digital image stabilization
Selfie camera video

720p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

aptX HD
NFC

Yes (market dependent)

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes
QZSS

-

Yes