Oppo F21 Pro vs Oppo K7 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100

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

LTE frequency band 1, 3, 5, 8, 38, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, 391 Mbps download, 150 Mbps upload

LTE-A
5G speed

-

1.9 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM

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

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

159.9 mm

160.3 mm
Width

73.2 mm

74.3 mm
Thickness

7.5 mm

8 mm
Weight

175 g

180 g
Waterproof

IPX4

-
Dust proof

IPX4

-
Build features

RGB ring light around the camera (notifications, charging progress)

-
Colors

Black, Orange

Black, Blue, Blue/Red, White

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.4 GHz Kryo 265 Gold

Single-core 2.4 GHz Kryo 475 Prime
CPU(second)

quad-core 1.9 GHz Kryo 265 Silver

Single-core 2.2 GHz Kryo 475 Gold
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SM6225 Snapdragon 680 4G

Qualcomm SDM765 Snapdragon 765G
GPU

Adreno 610

Adreno 620
Memory RAM

8 GB

8 GB
Internal storage

128 GB

128, 256 GB
Memory card

microSD, microSDHC, microSDXC

No
Storage

UFS 2.2

UFS 2.1

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 64 MP, f/1.7 , 79˚ , 26 mm, 1/2.0" , 0.7 µm

48 MP, f/1.7 , 1/2.0" , 0.8 µm
(microscope) , 2 MP, f/3.3 , 65˚

8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
89˚ , (depth) , 2 MP, f/2.4 , 1.75 µm

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

9280 x 6920 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps, gyro-EIS

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

LED flash

LED flash
Camera features

Autofocus, continuous 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, contrast detection autofocus

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

(wide) , 32 MP, f/2.4 , 24 mm, 1/2.74" , 0.7 µm

32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm
Selfie camera resolution

-

6560 x 4928 pixels
Selfie camera features

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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

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

Yes

Yes
Bluetooth

v5.1

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

Yes