Oppo Find X3 vs Oppo K5

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

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

HSDPA 850, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 66 - China

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

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

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.5 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE Cat15, 798 Mbps download, 226 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass), glass back, aluminum frame

Plastic
SIM

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

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

163.6 mm

158.7 mm
Width

74 mm

75.2 mm
Thickness

8.3 mm

8.6 mm
Weight

193 g

182 g
Waterproof

IP68, 1.5m for 30 mins

-
Dust proof

IP68

-
Colors

Black, Blue, White

Cyber metal, forest, polar sunshine

Display
Display type

LTPO AMOLED

Super AMOLED capacitive touchscreen
Physical size

6.7 inches

6.4 inches
Resolution

1440 x 3216 pixels

1080 x 2340 pixels
Pixel density

525 ppi

402 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5

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

-

Yes
Display features

120Hz, HDR10+, BT.2020, 500 nits (typ), 1300 nits (peak)

-

Main camera
Camera type

Quad

Quad
Main camera

(wide) , 50 MP, f/1.8 , 25 mm, 1/1.56" , 1.0 µm, 20x digital zoom , 5x

64 MP, f/1.8 , 1/1.7" , 0.8 µm
(telephoto) , 13 MP, f/2.4 , 52 mm, 2x optical zoom

8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
110˚ , (ultrawide) , 50 MP, f/2.2 , 1/1.56" , 1.0 µm

2 MP, f/2.4 , 1/5" , 1.75 µm
(macro) , 3 MP, f/3.0

2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

8192 x 6144 pixels

9216 x 6912 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10-bit video

2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous 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, macro-mode, phase detection autofocus, contrast detection autofocus, RAW, HEIF

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

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 32 MP, f/2.4 , 26 mm, 1/2.8" , 0.8 µm

32 MP, f/2.0 , 26 mm
Selfie camera resolution

4896 x 6528 pixels

6528 x 4896 pixels
Selfie camera features

Face unlock, HDR, panorama

-
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.1

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

-

Yes
Bluetooth AptX

aptX HD

-
NFC

Yes (dual antenna)

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, light, proximity