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Realme Narzo 20 vs Samsung Galaxy M51 vs Samsung Galaxy A51

Key Feature Comparison

6.5

Realme Narzo 20

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7.3

Samsung Galaxy M51

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6.9

Samsung Galaxy A51

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At a Glance

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Octa core (2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)

MediaTek Helio G85, Mali-G52 MC2

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

Qualcomm Snapdragon 730G, Adreno 618

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

6000 mAh

Li-ion, Quick, 18W

7000 mAh

Li-ion, Fast, 25W

4000 mAh

Li-ion, Fast, 15W

6.5 inches

270 ppi

6.7 inches

393 ppi, FHD

6.5 inches

405 ppi, FHD

Triple, 48MP + 8MP + 2MP

1920x1080 @ 30 fps

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

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Quad, 48MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
6.7 inches
6.5 inches

Screen Type

IPS LCD
Super AMOLED
Super AMOLED

Screen Resolution

720 x 1600 pixels
1080 x 2400 pixels
1080 x 2400 pixels

Pixel Density

270 ppi
393 ppi
405 ppi

Aspect Ratio

20:09
20:09
20:09

Screen Protection

Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 3

Screen to Body Ratio

88.70%
91%
87.44%

Screen Design

Waterdrop notch
Punch hole
Punch hole

Screen Refresh Rate

60 Hz
-
-

Peak Brightness

450 nits
420 nits
-

Screen Quality

-
FHD
FHD

Phone Variants

4GB 128GB, 4GB 64GB
8GB 128GB, 6GB 128GB
8GB 128GB, 6GB 128GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

eMMC 5.1
UFS 2.1
UFS 2.0

Expandable Storage Capacity

Yes, 256 GB
Yes, 512 GB
Yes, 512 GB

OTG Support

Yes
-
Yes

Sensors

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

Operating System

Android v10 (Q)
Android v10 (Q)
Android v10 (Q)

GPU

Mali-G52 MC2
Adreno 618
Mali-G72 MP3

Chipset

MediaTek Helio G85
Qualcomm Snapdragon 730G
Samsung Exynos 9 Octa 9611

CPU

Octa core (2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Realme UI
Samsung One UI
Samsung One UI

Clock Speed

2 GHz
2.2 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
8 nm
10 nm

Battery Capacity

6000 mAh
7000 mAh
4000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Quick, 18W
Fast, 25W
Fast, 15W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

21-Sep-20
31-Aug-20
5-Dec-19

Market Status

Available
Available
Available

Brand

Realme
Samsung
Samsung

Model Number

RMX2193
SM-M515FZBEINS
SM-A515FZB1INS/SM-A515FZBWINS

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 10,499
Rs. 19,999
Rs. 20,450

GPS

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

Audio Features

Yes
Dolby Atmos
Dolby Atmos

NFC

No
Yes
Yes

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

Yes
-
-

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
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, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz

Bluetooth Type

v5.0
v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

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

eSIM

No
No
No

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, 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) / 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), 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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 1...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 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), 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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

1080p30fps
HDR
HDR

Front Camera Setup

Single, 8MP
Single, 32MP
Single, 32MP

Front Camera 1 Resolution

8 MP
32 MP
32 MP

Front Camera 1 Type

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

Front Camera 1 Lens

4.0" sensor size, 1.12 micrometre pixel size
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
2.8" sensor size, 0.8 micrometre pixel size

Front Sensor

CMOS
Exmor RS
-

Front Aperture

f/2.0
f/2.2
f/2.2

Front Flash

Yes, Screen flash
No
No

Weight

208 grams
213 grams
172 grams

Colors

Victory Blue, Glory Silver
Celestial Black, Electric Blue
Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue

Dimensions

164.5 x 75.9 x 9.8 mm
163.9 x 76.3 x 9.5 mm
158.5 x 73.6 x 7.9 mm

SAR Value

Head: 1.03 W/kg, Body: 0.73 W/kg
Head: 1.381 W/kg
Head: 0.598 W/kg

Build

-
Back: Plastic
Back: Plastic

Rear Flash

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

Rear Video Recording

1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Triple, 48MP + 8MP + 2MP
Quad, 64MP + 12MP + 5MP + 5MP
Quad, 48MP + 12MP + 5MP + 5MP

Rear Camera 1 Resolution

48 MP
64 MP
48 MP

Rear Camera 1 Type

f/1.8 (upto 10x Digital Zoom), Wide Angle (79 degree field-of-view) Primary Camera
f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/2.0 (upto 8x Digital Zoom) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2.25" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

8 MP
12 MP
12 MP

Rear Camera 2 Type

f/2.3, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 2 Lens

16 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-
-

Rear Camera 3 Resolution

2 MP
5 MP
5 MP

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4, Macro Camera

Rear Camera 3 Lens

5.0" sensor size, 1.75 micrometre pixel size
-
-

Rear Sensor

CMOS image sensor
Exmor-RS CMOS Sensor, ISOCELL Plus
ISO-CELL

Rear Aperture

f/1.8
f/1.8
f/2.0

OIS

-
No
No

Rear Camera 4 Resolution

-
5 MP
5 MP

Rear Camera 4 Type

-
f/2.4, Depth Camera
f/2.2, Depth Camera

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Rear
Side
On-Screen

Face Unlock

Yes
Yes
Yes

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