Fairphone 4 vs Oppo K10x

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 1900, 2100

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 38, 40, 41, 71

LTE frequency band 1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78 SA/NSA/Sub6

5G band 1, 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 (4CA), Cat18, 1200 Mbps download, 150 Mbps upload

LTE-A (CA), 750 Mbps download, 211 Mbps upload
5G speed

2.3 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), plastic back, plastic frame

Glass front, plastic frame, plastic back
SIM

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

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

162 mm

164.3 mm
Width

75.5 mm

75.6 mm
Thickness

10.5 mm

8.5 mm
Weight

225 g

195 g
Waterproof

IP54

-
Dust proof

IP54

-
MIL-STD-810G

Yes

-
Colors

Gray, Green, Speckled Green

Black, Blue

Display
Display type

IPS LCD

IPS LCD
Physical size

6.3 inches

6.59 inches
Resolution

1080 x 2340 pixels

1080 x 2412 pixels
Pixel density

409 ppi

401 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 5

Scratch resistant, 2.5D curved glass screen, LTPS (Low Temperature PolySilicon)
Display features

-

120Hz, 480 nits (typ), 600 (HBM)

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 48 MP, f/1.6 , 1/2.0" , 0.8 µm, 8x digital zoom

(wide) , 64 MP, f/1.7 , 1/2" , 0.7 µm, 6x digital zoom , 79˚ , 26 mm
(ultrawide) , 48 MP, f/2.2 , 120˚ , 1/2.0" , 0.8 µm

(macro) , 2 MP, f/2.4 , 88˚ , 1/5" , 1.75 µm
TOF 3D

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

8000 x 6000 pixels

9280 x 6920 pixels
Primary camera video

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

1080p@30fps
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

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, scene-mode, phase 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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 25 MP, f/2.2 , 1/2.78" , 0.9 µm

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

-

4640 x 3456 pixels
Selfie camera features

Digital image stabilization, face detection, face unlock, HDR

-
Selfie camera video

1080p@30fps, gyro-EIS

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

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.0, DisplayPort

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.1

v5.2
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

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

3905 mAh

5000 mAh
Battery removable

Removable

Non-removable
Fast battery charging

Quick Charge, 20W (50% in 30 min)

Yes, 67W (80% in 33 min)
Talk time 3G

30 h

-
Talk time 4G

13 h

-
Standby time 4G

200 h

-