Xiaomi Redmi K30 vs Samsung Galaxy A51

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Comparing the Xiaomi Redmi K30 vs Samsung Galaxy A51 across performance, display, camera, battery and storage to help determine the better smartphone.

Here is the summary of the results:

Performance: Samsung Galaxy A51 runs at a higher processing speed of 2.3 GHz, while Xiaomi Redmi K30 runs at 2.2 GHz, making Samsung Galaxy A51 the better performer.


Display: Xiaomi Redmi K30 offers a screen size of 6.67 inches, while Samsung Galaxy A51 offers 6.5 inches, making Xiaomi Redmi K30 the larger display of the two. Samsung Galaxy A51 features a Super AMOLED display compared to Xiaomi Redmi K30's IPS LCD, making Samsung Galaxy A51 the better display of the two.


Rear Camera: Xiaomi Redmi K30 offers a higher rear camera resolution with 64 MP, while Samsung Galaxy A51 offers 48 MP, making Xiaomi Redmi K30 better for rear camera photography.


Front Camera: Samsung Galaxy A51 offers a higher front camera resolution with 32 MP, while Xiaomi Redmi K30 offers 20 MP, making Samsung Galaxy A51 better for front camera photography.


Battery: Samsung Galaxy A51 delivers longer battery life with 14h 29m, while Xiaomi Redmi K30 delivers None, making Samsung Galaxy A51 the better pick for all day usage.


Storage: Xiaomi Redmi K30 offers higher internal storage with 64 GB, while Samsung Galaxy A51 offers 128 GB, making Xiaomi Redmi K30 the better option for storage.

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Xiaomi Redmi K30
₹16,190
(Not Released in India)
Samsung Galaxy A51
₹25,999
(Out of Stock)
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Summary

Release Date

13 Dec, 2020
29 Jan, 2020
06 May, 2026

Performance

Snapdragon 730G
Samsung Exynos 9 Octa 9611
Snapdragon 8 Gen 5
Octa Core (upto 2.2 GHz)
Octa Core (upto 2.3 GHz)
Octa Core (upto 3.8 GHz)
6 GB RAM
6 GB RAM
12 GB RAM

Display

6.67 inches (16.94 cm)
6.5 inches (16.51 cm)
6.31 inches (16.03 cm)
IPS LCD
Super AMOLED
AMOLED
1080x2400 px (FHD+)
1080x2400 px (FHD+)
1216x2640 px (FHD+)
120 Hz Refresh Rate
60 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

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

Front Camera

20 MP + 2 MP
32 MP
50 MP

Battery

4500 mAh
4000 mAh
6500 mAh
27W Fast Charging
15W Fast Charging
90W Flash Charging
N/A
N/A
Wireless Charging

Storage

64 GB
128 GB
256 GB
N/A
UFS 2.0
UFS 4.1

Expert Review

N/A
8.0/10
8.4/10

Pros

  • Device yet to be reviewed
  • Excellent display
  • Great daylight performance
  • OneUI 2.0 has made the software experience more re
  • Compact, premium design
  • Excellent battery life
  • Reliable performance
  • Strong portrait photography

Cons

  • Device yet to be reviewed
  • Performance could’ve been better
  • Macro lens is not good
  • Battery life is average at best
  • Video recording inconsistencies
  • Colours can be slightly oversaturated

User Ratings

N/A
4.3/5
(13,353 ratings)
4.5/5
(170 ratings)

Benchmarks (The higher, the better)

N/A
171,285
AnTuTu Score
3,000,897
AnTuTu Score
N/A
14h 29m
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
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Videos
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Videos
1 Video

User Feedback

General

Launch Date

N/A
Jan 29, 2020
(Official)
May 06, 2026
(Official)

Operating System

Android v10 (Q)
Android v10 (Q)
Android v16

OS Updates

N/A
N/A
5 Year

Security Updates

N/A
N/A
7 Year

Custom UI

MIUI
Samsung One UI
Origin OS

Performance

Performance Rating

Good
Good
Excellent

Chipset

Qualcomm Snapdragon 730G
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 8 Gen 5 SM8845

Processor

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
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)

N/A
10 nm
3 nm

Graphics (GPU)

Adreno 618
Mali-G72 MP3
Adreno 829

RAM

6 GB
6 GB / 8 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.

N/A
171,285
3,000,897

Bootup Time (The lower, the better)

N/A
29.0 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)

N/A
8.0 %
5.0 %

Heating* (The lower, the better)

N/A
32.7 %
17.4 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent
Best In Class

Display Type

IPS LCD
Super AMOLED
AMOLED

Screen Size

6.67 inches  (16.94 cm)
6.5 inches  (16.51 cm)
6.31 inches  (16.03 cm)

Resolution

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

Peak Brightness

N/A
N/A
5000 nits

Refresh Rate

120 Hz
60 Hz
120 Hz

Aspect Ratio

20:9
20:9
19.5:9

Pixel Density

395 ppi
405 ppi
460 ppi

Screen to Body Ratio (calculated)

84.83 %
87.44 %
90.11 %

Screen Protection

Corning Gorilla Glass v5
Corning Gorilla Glass v3
Yes

Bezel-less Display

Yes with punch-hole display
Yes with punch-hole display
Yes with punch-hole display

HDR 10 / HDR+ Support

Yes HDR 10+
N/A
Yes HDR 10+

Screen to Body Ratio (claimed by the brand)

N/A
N/A
94.38 %

Design

Height

165.3 mm
158.5 mm
150.83 mm

Width

76.6 mm
73.6 mm
71.76 mm

Thickness

8.7 mm
7.9 mm
7.99 mm

Weight

208 grams
172 grams
191 grams

Build Material

Back: Gorilla Glass
Back: Plastic
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

64 MP
Primary Camera10x Digital Zoomf/1.81/1.7" sensor size IMX686 Exmor-RS CMOS Sensor ISO-CELL
48 MP
Primary Camera8x Digital Zoomf/2.026 mm focal length 1/2.25" sensor size S5KGM2 ISO-CELL 0.8µm pixel size
50 MP
Primary Cameraf/1.57IMX921
8 MP
f/2.2 Ultra-Wide Angle Camera1.12µm pixel size
12 MP
f/2.2 Ultra-Wide Angle Camera
50 MP
f/2.65 Telephoto Camera
2 MP
f/2.4 Macro Camera1.75µm pixel size
5 MP
f/2.4 Macro Camera
8 MP
f/2.2 Ultra-Wide Angle Camera
2 MP
f/2.4 Depth Camera1.75µm pixel size
5 MP
f/2.2 Depth Camera
N/A

Autofocus

Yes Phase Detection Autofocus
Yes
Yes

OIS

N/A
No
Yes

Flash

Yes Dual LED Flash
Yes LED Flash
Yes Dual LED Flash

Image Resolution

9000 x 7000 Pixels
8000 x 6000 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

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

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 60 fps
4k @30 fps
8k @30 fps
4k @30/60 fps
Full HD @30/60/120 fps

Front Camera

Front Camera Rating

Very Good
Very Good
Best In Class

Resolution

20 MP
Primary Camera0.8µm pixel size
32 MP
f/2.2 Primary Camera1/2.8" sensor size 0.8µm pixel size
50 MP
f/2.0 Primary Camera
2 MP
Depth Camera1.75µm pixel size
N/A
N/A

Autofocus

N/A
No
Yes

Flash

Yes Screen flash
No
Yes Screen flash

Video Recording

1920x1080 @ 30 fps
Full HD @30 fps
N/A

Battery

Battery Rating

Very Good
Very Good
Excellent

Capacity

4500 mAh
4000 mAh
6500 mAh

Battery Type

Li-ion
Li-ion
Li-ion

TalkTime

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

Quick Charging

Yes 27W Fast Charging
Yes 15W Fast Charging
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.

N/A
14h 29m
16h 04m

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

N/A
1h 35m 31s
0h 41m 0s

Storage

Internal Storage

64 GB
128 GB
256 GB / 512 GB

Storage Type

N/A
UFS 2.0
UFS 4.1

Expandable Storage

Yes Up to 256 GB
Yes Up to 512 GB
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano (Hybrid)
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) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
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)
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 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43)
FD-LTE 1700(band 66) / 2100(band 1) / 1500(band 32) / 600(band 71) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 7009(band 12) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
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SIM 2

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) / 900(band 8) / 850(band 5)
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)
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

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

Wi-Fi

Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Yes Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Yes Wi-Fi 6 (802.11 a/b/g/n/ac/ax) MIMO

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct 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

N/A
Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

Side
On-screen
On-screen

Fingerprint Sensor Type

N/A
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