Samsung Galaxy A51 vs realme X2 Pro

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Comparing the Samsung Galaxy A51 vs realme X2 Pro across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: realme X2 Pro runs at a higher processing speed of 2.96 GHz, while Samsung Galaxy A51 runs at 2.3 GHz, making realme X2 Pro the better performer.


Display: Both Samsung Galaxy A51 and realme X2 Pro offer the same screen size of 6.5 inches and feature the same Super AMOLED display.


Rear Camera: realme X2 Pro offers a higher rear camera resolution with 64 MP, while Samsung Galaxy A51 offers 48 MP, making realme X2 Pro better for rear camera photography.


Front Camera: Samsung Galaxy A51 offers a higher front camera resolution with 32 MP, while realme X2 Pro offers 16 MP, making Samsung Galaxy A51 better for front camera photography.


Battery: Samsung Galaxy A51 delivers longer battery life with 14h 29m, while realme X2 Pro delivers 8h 46m, making Samsung Galaxy A51 the better pick for all day usage.


Storage: Both Samsung Galaxy A51 and realme X2 Pro offer the same internal storage of 128 GB.


Expert Review: The editorial team rates both Samsung Galaxy A51 and realme X2 Pro equally at 8.


User Rating: realme X2 Pro receives a higher user rating of 4.5, while Samsung Galaxy A51 has a rating of 4.3.

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Samsung Galaxy A51
₹25,999
(Out of Stock)
realme X2 Pro
₹31,999
(Out of Stock)
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Summary

Release Date

29 Jan, 2020
26 Nov, 2019
06 May, 2026

Performance

Samsung Exynos 9 Octa 9611
Snapdragon 855 Plus
Snapdragon 8 Gen 5
Octa Core (upto 2.3 GHz)
Octa Core (upto 2.96 GHz)
Octa Core (upto 3.8 GHz)
6 GB RAM
8 GB RAM
12 GB RAM

Display

6.5 inches (16.51 cm)
6.5 inches (16.51 cm)
6.31 inches (16.03 cm)
Super AMOLED
Super AMOLED
AMOLED
1080x2400 px (FHD+)
1080x2400 px (FHD+)
1216x2640 px (FHD+)
60 Hz Refresh Rate
90 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

48 MP
Primary Camera
64 MP
Primary Camera
50 MP
Primary Camera
12 MP
Ultra-Wide Angle Camera
13 MP
Telephoto Camera (upto 5x Optical Zoom)
50 MP
Telephoto Camera (upto 3x Optical Zoom)
5 MP
Macro Camera
8 MP
Ultra-Wide Angle Camera
8 MP
Ultra-Wide Angle Camera
5 MP
Depth Camera
2 MP
Depth Camera
N/A

Front Camera

32 MP
16 MP
Wide Angle Lens
50 MP

Battery

4000 mAh
4000 mAh
6500 mAh
15W Fast Charging
50W VOOC Charging
90W Flash Charging
N/A
No Wireless Charging
Wireless Charging

Storage

128 GB
128 GB
256 GB
UFS 2.0
UFS 3.0
UFS 4.1

Expert Review

8.0/10
8.0/10
8.4/10

Pros

  • Excellent display
  • Great daylight performance
  • OneUI 2.0 has made the software experience more re
  • Attractive pricing 
  • 90Hz display 
  • Excellent performance
  • Rapid charging speed
  • Compact, premium design
  • Excellent battery life
  • Reliable performance
  • Strong portrait photography

Cons

  • Performance could’ve been better
  • Macro lens is not good
  • Battery life is average at best
  • Cameras could've been better 
  • Software needs a little work
  • Display isn't the brightest
  • Video recording inconsistencies
  • Colours can be slightly oversaturated

User Ratings

4.3/5
(13,353 ratings)
4.5/5
(20,967 ratings)
4.5/5
(140 ratings)

Benchmarks (The higher, the better)

171,285
AnTuTu Score
467,275
AnTuTu Score
3,000,897
AnTuTu Score
14h 29m
Battery Life (PC Mark)
8h 46m
Battery Life (PC Mark)
16h 04m
Battery Life (PC Mark)

Compare Prices

Not Available in any store
Not Available in any store
₹79,999

Video

Videos
4 More Videos
Videos
7 More Videos
There are no videos available for the device.

User Feedback

General

Launch Date

Jan 29, 2020
(Official)
Nov 26, 2019
(Official)
May 06, 2026
(Official)

Operating System

Android v10 (Q)
Android v9.0 (Pie)
Android v16

OS Updates

N/A
N/A
5 Year

Security Updates

N/A
N/A
7 Year

Custom UI

Samsung One UI
ColorOS
Origin OS

Performance

Performance Rating

Good
Very Good
Excellent

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 855 Plus
Qualcomm Snapdragon 8 Gen 5 SM8845

Processor

Octa core

2.3 GHz, Quad core, Cortex A73 1.7 GHz, Quad core, Cortex A53
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

3.8 GHz, Dual core, Oryon V3 Phoenix L 3.32 GHz, Hexa Core, Oryon V3 Phoenix M

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

10 nm
7 nm
3 nm

Graphics (GPU)

Mali-G72 MP3
Adreno 640
Adreno 829

RAM

6 GB / 8 GB
6 GB / 8 GB / 12 GB
12 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR5X Ultra

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

171,285
467,275
3,000,897

Bootup Time (The lower, the better)

29.0 s
15.0 s
14.0 s

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

N/A
N/A
4,004

Battery Drain* (The lower, the better)

8.0 %
7.0 %
5.0 %

Heating* (The lower, the better)

32.7 %
25.4 %
17.4 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent
Best In Class

Display Type

Super AMOLED
Super AMOLED
AMOLED

Screen Size

6.5 inches  (16.51 cm)
6.5 inches  (16.51 cm)
6.31 inches  (16.03 cm)

Resolution

1080x2400 px (FHD+)
1080x2400 px (FHD+)
1216x2640 px (FHD+)

Brightness

N/A
1000 nits
N/A

Peak Brightness

N/A
N/A
5000 nits

Refresh Rate

60 Hz
90 Hz
120 Hz

Aspect Ratio

20:9
20:9
19.5:9

Pixel Density

405 ppi
405 ppi
460 ppi

Screen to Body Ratio (calculated)

87.44 %
83.7 %
90.11 %

Screen Protection

Corning Gorilla Glass v3
Corning Gorilla Glass v5
Yes

Bezel-less Display

Yes with punch-hole display
Yes with waterdrop notch
Yes with punch-hole display

HDR 10 / HDR+ Support

N/A
Yes HDR 10+
Yes HDR 10+

Screen to Body Ratio (claimed by the brand)

N/A
91.7 %
94.38 %

Design

Height

158.5 mm
161 mm
150.83 mm

Width

73.6 mm
75.7 mm
71.76 mm

Thickness

7.9 mm
8.7 mm
7.99 mm

Weight

172 grams
199 grams
191 grams

Build Material

Back: Plastic
Back: Gorilla Glass
Back: Glass

Water Resistance

N/A
N/A
Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

N/A
N/A
Dust proof

Rear Camera

Rear Camera Rating

Very Good
Very Good
Excellent

Resolution

48 MP
Primary Camera8x Digital Zoomf/2.026 mm focal length 1/2.25" sensor size S5KGM2 ISO-CELL 0.8µm pixel size
64 MP
Primary Cameraf/1.826 mm focal length 1/1.7" sensor size S5KGW1 ISOCELL Plus 0.8µm pixel size
50 MP
Primary Cameraf/1.57IMX921
12 MP
f/2.2 Ultra-Wide Angle Camera
13 MP
f/2.5 Telephoto Camera51.6 mm focal length 1/3.4" sensor size 1µm pixel size
50 MP
f/2.65 Telephoto Camera
5 MP
f/2.4 Macro Camera
8 MP
f/2.2 Ultra-Wide Angle Camera16 mm focal length 1/3.1" sensor size 1.4µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera
5 MP
f/2.2 Depth Camera
2 MP
f/2.4 Depth Camera1/5.0" sensor size 1.75µm pixel size
N/A

Autofocus

Yes
Yes Phase Detection Autofocus
Yes

OIS

No
No
Yes

Flash

Yes LED Flash
Yes Dual LED Flash
Yes Dual LED Flash

Image Resolution

8000 x 6000 Pixels
9000 x 7000 Pixels
N/A

Settings

Exposure compensation ISO control
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
N/A

Camera Features

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus
Auto Flash
Face detection
Touch to focus
N/A

Video Recording

4k @30 fps
4k @30 fps
Full HD @60 fps
8k @30 fps
4k @30/60 fps
Full HD @30/60/120 fps

Video Recording Features

N/A
Bokeh portrait video
N/A

Front Camera

Front Camera Rating

Very Good
Very Good
Best In Class

Resolution

32 MP
f/2.2 Primary Camera1/2.8" sensor size 0.8µm pixel size
16 MP
f/2.0 Wide Angle Primary Camera3.419 mm focal length 1/3" sensor size Exmor RS 1µm pixel size
50 MP
f/2.0 Primary Camera

Autofocus

No
N/A
Yes

Flash

No
N/A
Yes Screen flash

Camera Features

N/A
Fixed Focus
N/A

Video Recording

Full HD @30 fps
Full HD @30 fps
N/A

Battery

Battery Rating

Very Good
Very Good
Excellent

Capacity

4000 mAh
4000 mAh
6500 mAh

Battery Type

Li-ion
Li-ion
Li-ion

TalkTime

Up to 32 Hours(4G)
N/A
N/A

Quick Charging

Yes 15W Fast Charging
Yes 50W VOOC Charging 100% in 35 minutes
Yes 90W Flash Charging

Wireless Charging

N/A
N/A
Yes 40W Wireless Charging

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

14h 29m
8h 46m
16h 04m

Charging Time (20% to 100%) (The lower, the better)

1h 35m 31s
0h 26m 15s
0h 41m 0s

Storage

Internal Storage

128 GB
64 GB / 128 GB / 256 GB
256 GB / 512 GB

Storage Type

UFS 2.0
UFS 3.0
UFS 4.1

Expandable Storage

Yes Up to 512 GB
No
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano/eSIM

Network Support

5G Not Supported 4G
5G Not Supported 4G
5G 4G

VoLTE

Yes
Yes
Yes

SIM 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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26)
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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
N/A

SIM 2

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)
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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N18 / N20 / N25 / N26 / N28 / N66 / N71 / N75
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
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) / 1500(band 32) / 700(band 12) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 600(Band 71) / 1900(band 25) / 850(band 26) / 1700(band 66)
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SAR Value

Head: 0.598 W/kg
N/A
N/A

Wi-Fi

Yes Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) MIMO
Yes Wi-Fi 4 (802.11 a/n) 5GHz MIMO

Wi-Fi Features

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

Bluetooth

Yes v5.0
Yes v5.0
Yes v6.0

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

Yes
Yes
Yes

IR Blaster

N/A
N/A
Yes

Multimedia

Audio Jack

3.5 mm
3.5 mm
USB Type-C

Audio Features

Dolby Atmos
Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

On-screen
On-screen
On-screen

Fingerprint Sensor Type

Optical
Optical
Ultrasonic

Other Sensors

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

Compare Prices

Not Available in any store
Not Available in any store
₹79,999