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Redmi K20 vs Samsung Galaxy M40 vs OnePlus 6T

Key Feature Comparison

7

Redmi K20

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7.1

Samsung Galaxy M40

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7.6

OnePlus 6T

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At a Glance

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Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Qualcomm Snapdragon 730, Adreno 618

Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)

Qualcomm Snapdragon 675, Adreno 612

Octa core (2.8 GHz, Quad core, Kryo 385 + 1.8 GHz, Quad core, Kryo 385)

Qualcomm Snapdragon 845, Adreno 630

4000 mAh

Li-Polymer, Quick, v3.0, 18W

3500 mAh

Li-ion, Fast, 15W

3700 mAh

Li-Polymer, Dash

6.39 inches

403 ppi, FHD

6.3 inches

409 ppi, FHD

6.41 inches

402 ppi, FHD

Triple, 48MP + 13MP + 8MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Triple, 32MP + 8MP + 5MP

3840x2160 @ 30 fps

Dual, 16MP + 20MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 30 fps

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.39 inches
6.3 inches
6.41 inches

Screen Type

AMOLED
TFT
AMOLED

Screen Resolution

1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

403 ppi
409 ppi
402 ppi

Aspect Ratio

19.5:9
19.5:9
19.5:9

Screen Protection

Gorilla Glass 5
Gorilla Glass 3
Gorilla Glass 6

Screen to Body Ratio

91.90%
91.80%
86%

Screen Design

Bezel-less
Punch hole
Waterdrop notch

Screen Quality

FHD
FHD
FHD

Phone Variants

6GB 128GB, 6GB 64GB
6GB 128GB
8GB 256GB, 8GB 128GB, 6GB 128GB

Expandable Storage

No
Yes
No

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
eMMC 5.1
UFS 2.1

OTG Support

Yes
Yes
Yes

Expandable Storage Capacity

-
Yes, 512 GB
-

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)
Android v9.0 (Pie)

GPU

Adreno 618
Adreno 612
Adreno 630

Chipset

Qualcomm Snapdragon 730
Qualcomm Snapdragon 675
Qualcomm Snapdragon 845

CPU

Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)
Octa core (2.8 GHz, Quad core, Kryo 385 + 1.8 GHz, Quad core, Kryo 385)

Custom User Interface

MIUI
Samsung One UI
Oxygen OS

Clock Speed

2.2 GHz
2 GHz
2.8 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

8 nm
11 nm
10 nm

Battery Capacity

4000 mAh
3500 mAh
3700 mAh

Battery Removable

No
No
No

Battery Type

Li-Polymer
Li-ion
Li-Polymer

Charger Type

Quick, v3.0, 18W
Fast, 15W
Dash

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

5-May-19
5-Jun-19
1-Nov-18

Market Status

Available
Available
Out of Stock

Brand

Xiaomi
Samsung
OnePlus

Model Number

MZB7756IN
-
A6010

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 19,450
Rs. 15,999
Rs. 30,999

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

24-bit/192kHz audioActive noise cancellation with dedicated mic
Dolby Atmos
Active noise cancellation with dedicated micDirac HD sound

NFC

Yes
Yes
Yes

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

Yes
No
No

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)
SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, ac/b/g/n, MIMO
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO

Bluetooth Type

v5.0
v5.0
v5.0

Audio Jack

3.5 mm
USB Type-C
USB Type-C

SIM Slot(s)

Dual SIM, GSM+GSM, Dual VoLTE
Dual SIM, GSM+GSM, Dual VoLTE
Dual SIM, GSM+GSM

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) /...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) /...

FM Radio

-
Yes
No

Front Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps

Front Camera Features

HDR
HDR
Fixed Focus

Front Camera Setup

Single, 20MP
Single, 16MP
Single, 16MP

Front Camera 1 Resolution

20 MP
16 MP
16 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.0 Primary Camera
f/2.0, Wide Angle, Primary Camera

Front Camera 1 Lens

0.8 micrometre pixel size
-
25 mm focal length, 3.1" sensor size, 1 micrometre pixel size

Front Aperture

f/2.2
f/2.0
f/2.0

Front Sensor

-
CMOS
Exmor RS

Front Flash

-
No
Yes, Screen flash

Weight

191 grams
168 grams
185 grams

Colors

Carbon Black, Flame Red, Glacier Blue, Pearl White
Midnight Blue, Seawater Blue, Cocktail Orange
Mirror Black

Build

Back: Gorilla Glass
Back: Plastic
Back: Gorilla Glass

Dimensions

156.7 x 74.3 x 8.8 mm
155.3 x 73.9 x 7.9 mm
157.5 x 74.8 x 8.2 mm

SAR Value

Head: 1.07 W/kg, Body: 0.723 W/kg
Head: 0.200 W/kg
-

Rear Flash

Yes, Dual LED Flash
Yes, LED Flash
Yes, Dual LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 30 fps

Rear Camera Features

Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Touch to focus

Rear Camera Setup

Triple, 48MP + 13MP + 8MP
Triple, 32MP + 8MP + 5MP
Dual, 16MP + 20MP

Rear Camera 1 Resolution

48 MP
32 MP
16 MP

Rear Camera 1 Type

f/1.75 Primary Camera
f/1.7 (upto 8x Digital Zoom) Primary Camera
f/1.7, Wide Angle, Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size
2.8" sensor size, 0.8 micrometre pixel size
25 mm focal length, 2.6" sensor size, 1.22 micrometre pixel size

Rear Camera 2 Resolution

13 MP
8 MP
20 MP

Rear Camera 2 Type

f/2.4, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/1.7, Wide Angle Camera

Rear Camera 2 Lens

3" sensor size, 1.12 micrometre pixel size
12 mm focal length
25 mm focal length, 2.8" sensor size, 1 micrometre pixel size

Rear Camera 3 Resolution

8 MP
5 MP
-

Rear Camera 3 Type

f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera
f/2.2, Depth Camera
-

Rear Camera 3 Lens

4.0" sensor size, 1.12 micrometre pixel size
-
-

Rear Sensor

Exmor-RS CMOS Sensor
CMOS image sensor
Exmor-RS CMOS Sensor

Rear Aperture

f/1.75
f/1.7
f/1.7

OIS

-
No
Yes

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
Rear
On-Screen

Fingerprint Scanner Type

Optical
-
Optical

Face Unlock

Yes
Yes
Yes

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