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Realme X3 vs Samsung Galaxy A51 vs Samsung A8 Star

Last Updated:

8th Feb 2021

Key Feature Comparison

Realme X3

₹20,994

8/10

Samsung Galaxy A51

₹22,999

8/10

Samsung Galaxy A8 Star

₹18,520

8/10

Realme X3

8/10

₹20,994

8/10

Samsung Galaxy A51

8/10

₹22,999

8/10

Samsung Galaxy A8 Star

8/10

₹18,520

8/10

Display

Screen Size

6.6 inches

6.5 inches

6.3 inches

Screen Type

IPS LCD

Super AMOLED

Screen Resolution

1080 x 2400 pixels

1080 x 2220 pixels

Pixel Density

399 ppi

405 ppi

392 ppi

Aspect Ratio

20:09

18.5:9

Screen Protection

Corning Gorilla Glass v5

Corning Gorilla Glass v3

Screen to Body Ratio

90.50%

87.44%

80.91%

Screen Design

Punch-Hole Display

Bezel-less

Screen Refresh Rate

120 Hz

Screen Quality

FHD

Peak Brightness

480 nits

Memory & Storage

Phone Variants

128GB 6GB RAM, 128GB 8GB RAM

64 GB, 4/6 GB RAM

Expandable Storage

Yes

RAM Type

LPDDR4X

Storage Type

UFS 3.0

UFS 2.0

eMMC 5.1

OTG Support

Yes

Expandable Storage Capacity

Yes, 512 GB

Yes, 400 GB

General

Announced On

25-Jun-20

5-Dec-19

5-Jun-18

Market Status

Available

Brand

Realme

Samsung

Price Status

Confirmed

Price

Rs. 24,999

Rs. 20,450

Rs. 24,208

Battery

Battery Capacity

4200 mAh

4000 mAh

3700 mAh

Battery Removable

Battery Type

Li-ion

Charger Type

Super Dart, 30W

Fast, 15W

Fast

USB Type-C

Yes

Fast Charging

Yes

Charging Time

100 % in 55 minutes

Performance

Operating System

Android v10 (Q)

Android v8.0 (Oreo)

GPU

Adreno 640

Mali-G72 MP3

Adreno 512

Chipset

Qualcomm Snapdragon 855 Plus

Samsung Exynos 9 Octa 9611

Qualcomm Snapdragon 660 MSM8956

CPU

Octa core (2.96 GHz, Single core, Kryo 485 + 2.42 GHz, Tri core, Kryo 485 + 1.8 GHz, Quad core, Kryo 485)

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

Octa core (2.2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Custom User Interface

Realme UI

Samsung One UI

Clock Speed

2.96 GHz

2.3 GHz

2.2 GHz

Architecture

64 bit

Process Technology

7 nm

10 nm

14 nm

Miscellaneous Features

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Network & Connectivity

GPS

Yes A-GPS, Glonass

Audio Features

Dolby Atmos

Active noise cancellation with dedicated micDolby Atmos sound (headphones only)

NFC

Yes

Bluetooth

Yes

FM Radio

3.5mm Audio Jack

Yes

Bluetooth Type

v5.0

Audio Jack

USB Type-C

3.5 mm

Front Camera

Front Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps

1920x1080 @ 30 fps

1080p30fps

Front Camera Features

Panorama

HDR

Fixed Focus

Front Camera Setup

Dual, 16MP + 8MP

Single, 32MP

Single, 24MP

Front Camera 1 Resolution

16 MP

32 MP

24 MP

Front Camera 1 Type

f/2.1, Wide Angle (105 degree field-of-view) Primary Camera

f/2.2 Primary Camera

f/2.0 Primary Camera

Front Camera 1 Lens

3" sensor size, 1 micrometre pixel size

2.8" sensor size, 0.8 micrometre pixel size

Front Camera 2 Resolution

8 MP

Front Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle (105 degree field-of-view) Camera

Front Camera 2 Lens

4.0" sensor size, 1.12 micrometre pixel size

Front Sensor

Exmor RS

Front Aperture

f/2.1

f/2.2

f/2.0

Front Flash

Design

Weight

202 grams

172 grams

188 grams

Colors

Glacier Blue, Arctic White

Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue

Black, White

Build

Back: Mineral Glass

Back: Plastic

Back: Gorilla Glass

Dimensions

163.8 x 75.8 x 8.9 mm

158.5 x 73.6 x 7.9 mm

162.4 x 77 x 7.5 mm

SAR Value

Head: 1.188 W/kg, Body: 0.906 W/kg

Head: 0.598 W/kg

Head: 0.179 W/kg

Network

Network Support

4G (supports Indian bands), 3G, 2G

SIM Size

SIM1: Nano, SIM2: Nano

SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

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

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

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

SIM Slot(s)

Dual SIM, GSM+GSM

eSIM

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

VoLTE

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) / 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...

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) / 850(band 18) / 850(band 19) / 800(band 20) / 8...

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 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...

Rear Camera

Rear Flash

Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

3840x2160 @ 30 fps

3840x2160 @ 30 fps, 1280x720 @ 240 fps

Rear Camera Features

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

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

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

Rear Camera Setup

Quad, 64MP + 12MP + 8MP + 2MP

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

Dual, 16MP + 24MP

Rear Camera 1 Resolution

64 MP

48 MP

16 MP

Rear Camera 1 Type

f/1.8, Wide Angle (78 degree field-of-view) Primary Camera

f/2.0 (upto 8x Digital Zoom) Primary Camera

f/1.7 Primary Camera

Rear Camera 1 Lens

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

27 mm focal length, 2.8" sensor size, 0.9 micrometre pixel size

Rear Camera 2 Resolution

12 MP

24 MP

Rear Camera 2 Type

f/2.5 Telephoto (upto 2x Optical Zoom) Camera

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

f/1.7 Camera

Rear Camera 2 Lens

51 mm focal length, 3.4" sensor size, 1 micrometre pixel size

Rear Camera 3 Resolution

8 MP

5 MP

Rear Camera 3 Type

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

f/2.4, Macro Camera

Rear Camera 3 Lens

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

Rear Camera 4 Resolution

2 MP

5 MP

Rear Camera 4 Type

f/2.4, Macro Camera

f/2.2, Depth Camera

Rear Camera 4 Lens

21.8 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size

Rear Sensor

ISOCELL Plus

ISO-CELL

CMOS image sensor

Rear Aperture

f/1.8

f/2.0

f/1.7

OIS

Sensors

Fingerprint Scanner

Yes

Fingerprint Scanner Position

Side

On-screen

Rear

Fingerprint Scanner Type

Optical

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