Oppo K7x vs vivo X80 Pro

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 66
5G network

5G band 1, 41, 77, 78 SA/NSA

5G band 1, 3, 5, 7, 8, 12, 20, 28, 66, 38, 40, 41, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (2CA)

LTE-A, 1174 Mbps download, 211 Mbps upload
5G speed

2.3 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front, glass back or ceramic back or eco leather back, aluminum frame
SIM

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

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

162.2 mm

164.6 mm
Width

75.1 mm

75.3 mm
Thickness

9.1 mm

9.1 mm
Weight

194 g

215 g
Waterproof

-

IP68 (1.5m for 30 mins)
Dust proof

-

IP68
Colors

Black, Blue

Black, Blue, Orange

Display
Display type

LTPS IPS LCD

LTPO3 AMOLED
Physical size

6.5 inches

6.78 inches
Resolution

1080 x 2400 pixels

1440 x 3200 pixels
Pixel density

405 ppi

517 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3

-
Display features

480 nits (typ), 600 nits (peak), 90Hz

120Hz, HDR10+, 1500 nits (peak)

Main camera
Camera type

Quad

Quad
Main camera

(wide) , 48 MP, f/1.7 , 25 mm, 1/2.0" , 0.8 µm

(wide) , 50 MP, f/1.6 , 1/1.31" , 1.2 µm
(ultrawide) , 8 MP, f/2.2 , 119˚ , 1/4.0" , 1.12 µm

(periscope telephoto) , 8 MP, f/3.4 , 1/4.4" , 1.0 µm, 5x optical zoom
(macro) , 2 MP, f/2.4

(telephoto) , 12 MP, f/1.9 , 50 mm, 1/2.93" , 1.22 µm, 2x optical zoom
(depth) , 2 MP, f/2.4

(ultrawide) , 48 MP, f/2.2 , 114˚ , 16 mm, 1/2.0"
Primary camera resolution

8000 x 6000 pixels

8160 x 6144 pixels
Primary camera video

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

8K, 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

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

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus, RAW, night mode

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.0 , 26 mm, 1/3.06" , 1.0 µm

(wide) , 32 MP, f/2.5 , 26 mm, 1/2.8" , 0.8 µm
Selfie camera resolution

4640 x 3456 pixels

-
Selfie camera features

Face unlock, HDR

HDR
Selfie camera video

1080p@30fps

4K@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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

aptX HD
Infrared

-

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

4700 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

VOOC 4.0 (100% in 65 min)

Quick Charge, 80W (100% in 38 min)
Reverse charging

Yes

Yes
Fast wireless charging

-

Yes, 50W (100% in 50 min)
Talk time 4G

-

16.9 h