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Samsung Galaxy M51 vs Redmi K20

- Updated: 31st Oct 2020, 10:35 IST

Key Feature Comparison

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Samsung Galaxy M51

Redmi K20

Show differences only

At a Glance

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

Qualcomm Snapdragon 730G, Adreno 618

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

Qualcomm Snapdragon 730, Adreno 618

7000 mAh

Li-ion, Fast, 25W

4000 mAh

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

6.7 inches

393 ppi, FHD

6.39 inches

403 ppi, FHD

Quad, 64MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Triple, 48MP + 13MP + 8MP

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

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.7 inches

6.39 inches

Screen Type

Super AMOLED

AMOLED

Screen Resolution

1080 x 2400 pixels

1080 x 2340 pixels

Pixel Density

393 ppi

403 ppi

Aspect Ratio

20:09

19.5:9

Screen Protection

Gorilla Glass 3

Gorilla Glass 5

Screen to Body Ratio

91%

91.90%

Screen Design

Punch hole

Bezel-less

Screen Quality

FHD

FHD

Peak Brightness

420 nits

-

Phone Variants

8GB 128GB, 6GB 128GB

6GB 128GB, 6GB 64GB

Expandable Storage

Yes

No

RAM Type

LPDDR4X

LPDDR4X

Storage Type

UFS 2.1

UFS 2.1

Expandable Storage Capacity

Yes, 512 GB

-

OTG Support

-

Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v10 (Q)

Android v9.0 (Pie)

GPU

Adreno 618

Adreno 618

Chipset

Qualcomm Snapdragon 730G

Qualcomm Snapdragon 730

CPU

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

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

Custom User Interface

Samsung One UI

MIUI

Clock Speed

2.2 GHz

2.2 GHz

Architecture

64 bit

64 bit

Process Technology

8 nm

8 nm

Battery Capacity

7000 mAh

4000 mAh

Battery Removable

No

No

Battery Type

Li-ion

Li-Polymer

Charger Type

Fast, 25W

Quick, v3.0, 18W

USB Type-C

Yes

Yes

Fast Charging

Yes

Yes

Announced On

31-Aug-20

5-May-19

Market Status

Available

Available

Brand

Samsung

Xiaomi

Model Number

SM-M515FZBEINS

MZB7756IN

Price Status

Confirmed

Confirmed

Price

Rs. 19,999

Rs. 19,450

GPS

Yes A-GPS, Glonass

Yes A-GPS, Glonass

Audio Features

Dolby Atmos

24-bit/192kHz audioActive noise cancellation with dedicated mic

NFC

Yes

Yes

Network Support

4G

4G

Bluetooth

Yes

Yes

3.5mm Audio Jack

Yes

Yes

SIM Size

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano

Wi-Fi

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

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

Bluetooth Type

v5.0

v5.0

Audio Jack

3.5 mm

3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No

No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

VoLTE

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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...

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...

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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...

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...

Front Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Front Camera Features

HDR

HDR

Front Camera Setup

Single, 32MP

Single, 20MP

Front Camera 1 Resolution

32 MP

20 MP

Front Camera 1 Type

f/2.2, Wide Angle Primary Camera

f/2.2 Primary Camera

Front Camera 1 Lens

26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size

0.8 micrometre pixel size

Front Sensor

Exmor RS

-

Front Aperture

f/2.2

f/2.2

Front Flash

No

-

Weight

213 grams

191 grams

Colors

Celestial Black, Electric Blue

Carbon Black, Flame Red, Glacier Blue, Pearl White

Build

Back: Plastic

Back: Gorilla Glass

Dimensions

163.9 x 76.3 x 9.5 mm

156.7 x 74.3 x 8.8 mm

SAR Value

Head: 1.381 W/kg

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

OIS

No

-

Rear Flash

Yes, LED Flash

Yes, Dual LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

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

Rear Camera Features

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

Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 64MP + 12MP + 5MP + 5MP

Triple, 48MP + 13MP + 8MP

Rear Camera 1 Resolution

64 MP

48 MP

Rear Camera 1 Type

f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera

f/1.75 Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size

2" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

12 MP

13 MP

Rear Camera 2 Type

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

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

Rear Camera 3 Resolution

5 MP

8 MP

Rear Camera 3 Type

f/2.4, Macro Camera

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

Rear Camera 4 Resolution

5 MP

-

Rear Camera 4 Type

f/2.4, Depth Camera

-

Rear Sensor

Exmor-RS CMOS Sensor, ISOCELL Plus

Exmor-RS CMOS Sensor

Rear Aperture

f/1.8

f/1.75

Rear Camera 2 Lens

-

3" sensor size, 1.12 micrometre pixel size

Rear Camera 3 Lens

-

4.0" sensor size, 1.12 micrometre pixel size

Fingerprint Scanner

Yes

Yes

Fingerprint Scanner Position

Side

On-Screen

Face Unlock

Yes

Yes

Fingerprint Scanner Type

-

Optical

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