Which is better, Redmi K20 pro, Asus Zenfone 6z or OnePlus 7?

All three latest phones, including Redmi K20 Pro, are powered by Snapdragon 855 SoC, offer dual-SIM slots, and have fast charging support.

Key Specs

Display

6.40-inch

6.39-inch

6.41-inch

Processor

Qualcomm Snapdragon 855

Snapdragon 855

Qualcomm Snapdragon 855

Rear Camera

48-megapixel + 13-megapixel

48-megapixel + 13-megapixel + 8-megapixel

48-megapixel + 5-megapixel

RAM

8GB

8GB

6GB

Storage

256GB

256GB

128GB

Battery Capacity

5000mAh

4000mAh

3700mAh

OS

Android 9 Pie

Android 9

Android 9 Pie

Resolution

1080x2340 pixels

1080x2340 pixels

1080x2340 pixels

Front Camera

-

20-megapixel

16-megapixel

GENERAL

Brand

Asus

Xiaomi

OnePlus

Model

6Z

Redmi K20 Pro

7

Release date

19th June 2019

28th May 2019

14th May 2019

Launched in India

Yes

Yes

Yes

Body type

Glass

Glass

Glass

Dimensions (mm)

159.10 x 75.44 x 8.40

156.70 x 74.30 x 8.80

157.70 x 74.80 x 8.20

Weight (g)

190.00

191.00

182.00

Battery capacity (mAh)

5000

4000

3700

Fast charging

Quick Charge 4.0

Quick Charge 4.0

Proprietary

Wireless charging

No

-

No

Colours

Midnight Black, Twilight SIlver

Carbon Black, Flame Red, Glacier Blue

Mirror Grey, Mirror Blue, Red

Removable battery

-

No

No

DISPLAY

Screen size (inches)

6.40

6.39

6.41

Resolution

1080x2340 pixels

1080x2340 pixels

1080x2340 pixels

Protection type

Gorilla Glass

Gorilla Glass

Gorilla Glass

Aspect ratio

19.5:9

19:9

19.5:9

Pixels per inch (PPI)

-

403

402

HARDWARE

Processor

1.8GHz octa-core (4x1.8GHz + 3x2.42GHz + 1x2.84GHz)

octa-core

octa-core

Processor make

Qualcomm Snapdragon 855

Snapdragon 855

Qualcomm Snapdragon 855

RAM

8GB

8GB

6GB

Internal storage

256GB

256GB

128GB

Expandable storage

Yes

No

No

Expandable storage type

microSD

-

-

Expandable storage up to (GB)

2

-

-

Dedicated microSD slot

Yes

No

-

CAMERA

Rear camera

48-megapixel (f/1.79, 1.6-micron) + 13-megapixel

48-megapixel (f/1.75, 1.6-micron) + 13-megapixel (f/2.4, 1.12-micron) + 8-megapixel (f/2.4, 1.12-micron)

48-megapixel (f/1.7, 1.6-micron) + 5-megapixel (f/2.4, 1.12-micron)

Rear autofocus

Laser autofocus

PDAF and laser autofocus

Phase detection autofocus

Rear flash

Dual LED

LED

Yes

Front camera

-

20-megapixel (f/2.2, 0.8-micron)

16-megapixel (f/2.0, 1.0-micron)

Front autofocus

-

-

No

SOFTWARE

Operating system

Android 9 Pie

Android 9

Android 9 Pie

Skin

ZenUI 6

MIUI 10

OxygenOS

CONNECTIVITY

Wi-Fi standards supported

802.11 a/b/g/n/ac

802.11 ac

802.11 a/b/g/n/ac

Bluetooth

Yes, v 5.00

Yes, v 5.00

Yes, v 5.00

NFC

Yes

-

Yes

USB Type-C

Yes

Yes

Yes

Number of SIMs

2

2

2

Wi-Fi Direct

Yes

-

-

Active 4G on both SIM cards

Yes

Yes

Yes

USB OTG

-

-

Yes

SIM 1

SIM Type

Nano-SIM

Nano-SIM

Nano-SIM

4G/ LTE

Yes

-

Yes

SIM 2

SIM Type

Nano-SIM

Nano-SIM

Nano-SIM

4G/ LTE

Yes

-

Yes

SENSORS

Face unlock

Yes

Yes

Yes

Fingerprint sensor

Yes

Yes

Yes

Compass/ Magnetometer

Yes

-

Yes

Proximity sensor

Yes

Yes

Yes

Accelerometer

Yes

Yes

Yes

Ambient light sensor

Yes

Yes

Yes

Gyroscope

Yes

Yes

Yes

Barometer

-

Yes

-

Temperature sensor

-

Yes

-