Samsung Galaxy A31 vs Xiaomi Redmi K30i

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Comparing the Samsung Galaxy A31 vs Xiaomi Redmi K30i across performance, display, camera, battery and storage to help determine the better smartphone.

Here is the summary of the results:

Performance: Xiaomi Redmi K30i runs at a higher processing speed of 2.4 GHz, while Samsung Galaxy A31 runs at 2.0 GHz, making Xiaomi Redmi K30i the better performer.


Display: Xiaomi Redmi K30i offers a screen size of 6.67 inches, while Samsung Galaxy A31 offers 6.4 inches, making Xiaomi Redmi K30i the larger display of the two. Samsung Galaxy A31 features a Super AMOLED display compared to Xiaomi Redmi K30i's IPS LCD, making Samsung Galaxy A31 the better display of the two.


Rear Camera: Both Samsung Galaxy A31 and Xiaomi Redmi K30i feature a 48 MP primary rear camera.


Front Camera: Both Samsung Galaxy A31 and Xiaomi Redmi K30i feature a 20 MP primary front camera.


Battery: Samsung Galaxy A31 offers a higher battery capacity with 5000 mAh, while Xiaomi Redmi K30i offers 4500 mAh, making Samsung Galaxy A31 better for longer battery life.


Storage: Both Samsung Galaxy A31 and Xiaomi Redmi K30i offer the same internal storage of 128 GB.

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Samsung Galaxy A31
₹23,999
(Out of Stock)
Xiaomi Redmi K30i
₹20,190
(Not Released in India)
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Summary

Spec Score

76%
79%

Release Date

04 Jun, 2020
16 Nov, 2020

Performance

MediaTek Helio P65
Snapdragon 765G
Octa Core (upto 2 GHz)
Octa Core (upto 2.4 GHz)
6 GB RAM
6 GB RAM

Display

6.4 inches (16.26 cm)
6.67 inches (16.94 cm)
Super AMOLED
IPS LCD
1080x2400 px (FHD+)
1080x2400 px (FHD+)
60 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

48 MP
Primary Camera
48 MP
Primary Camera
8 MP
Ultra-Wide Angle Camera
8 MP
Ultra-Wide Angle Camera
5 MP
Macro Camera
5 MP
Macro Camera
5 MP
Depth Camera
2 MP
Depth Camera

Front Camera

20 MP
20 MP + 2 MP

Battery

5000 mAh
4500 mAh
15W Fast Charging
30W Fast Charging
No Wireless Charging
N/A

Storage

128 GB
128 GB
N/A
UFS 2.1

Expert Review

7.0/10
N/A

Pros

  • Captivating design
  • Great AMOLED display
  • Beefy battery
  • Device yet to be reviewed

Cons

  • Poor low-light camera performance
  • Underpowered chipset
  • Could use a higher refresh rate display
  • Fingerprint sensor is iffy
  • Device yet to be reviewed

User Ratings

4.3/5
(17,260 ratings)
N/A

Benchmarks (The higher, the better)

152,476
AnTuTu Score
N/A
14h 00m
Battery Life (PC Mark)
N/A

Video

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

User Feedback

General

Launch Date

Jun 04, 2020
(Official)
N/A

Operating System

Android v10 (Q)
Android v10 (Q)

Custom UI

Samsung One UI
MIUI

Performance

Performance Rating

Good
Good

Chipset

MediaTek Helio P65
Qualcomm Snapdragon 765G

Processor

Octa core

2 GHz, Dual core, Cortex A75 1.7 GHz, Hexa Core, Cortex A55
Octa core

2.4 GHz, Single core, Kryo 475 2.2 GHz, Single core, Kryo 475 1.8 GHz, Hexa Core, Kryo 475

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

12 nm
N/A

Graphics (GPU)

Mali-G52
Adreno 620

RAM

6 GB
6 GB

RAM Type

LPDDR4X
N/A

Performance Test Results

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

152,476
N/A

Bootup Time (The lower, the better)

31.0 s
N/A

Gaming Test Results

Battery Drain* (The lower, the better)

6.0 %
N/A

Heating* (The lower, the better)

6.9 %
N/A
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent

Display Type

Super AMOLED
IPS LCD

Screen Size

6.4 inches  (16.26 cm)
6.67 inches  (16.94 cm)

Resolution

1080x2400 px (FHD+)
1080x2400 px (FHD+)

Refresh Rate

60 Hz
120 Hz

Aspect Ratio

20:9
20:9

Pixel Density

411 ppi
395 ppi

Screen to Body Ratio (calculated)

84.92 %
84.83 %

Screen Protection

N/A
Corning Gorilla Glass v5

Bezel-less Display

Yes with notch
Yes with punch-hole display

Design

Height

159.3 mm
165.3 mm

Width

73.1 mm
76.6 mm

Thickness

8.6 mm
8.8 mm

Weight

185 grams
208 grams

Rear Camera

Rear Camera Rating

Good
Very Good

Resolution

48 MP
Primary Camera8x Digital Zoomf/2.026 mm focal length 1/2" sensor size 0.8µm pixel size
48 MP
Primary Cameraf/1.79
8 MP
f/2.2 Ultra-Wide Angle Camera
8 MP
f/2.2 Ultra-Wide Angle Camera
5 MP
f/2.4 Macro Camera
5 MP
f/2.4 Macro Camera
5 MP
f/2.4 Depth Camera
2 MP
f/2.4 Depth Camera

Autofocus

Yes
Yes

OIS

No
N/A

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

8000 x 6000 Pixels
8000 x 6000 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

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

Video Recording

Full HD @30 fps
3840x2160 @ 30 fps

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

20 MP
f/2.2 Primary Camera
20 MP
Primary Camera
N/A
2 MP
Depth Camera

Autofocus

No
N/A

Flash

No
N/A

Video Recording

Full HD @30 fps
1920x1080 @ 30 fps

Battery

Battery Rating

Very Good
Very Good

Capacity

5000 mAh
4500 mAh

Battery Type

Li-ion
Li-ion

TalkTime

Up to 33 Hours(4G)
N/A

Quick Charging

Yes 15W Fast Charging
Yes 30W Fast 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 00m
N/A

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

1h 45m 14s
N/A

Storage

Internal Storage

128 GB
128 GB

Storage Type

N/A
UFS 2.1

Expandable Storage

Yes Up to 512 GB
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G 4G

VoLTE

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) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20)
5G Bands:
TDD N41 / N78
N/A
4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)
View More

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)
4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

SAR Value

Head: 1.13 W/kg
N/A

Wi-Fi

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

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.0

GPS

Yes with A-GPS Glonass
Yes with A-GPS

NFC

Yes
N/A

Multimedia

Audio Jack

3.5 mm
3.5 mm

Audio Features

Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

On-screen
Side

Fingerprint Sensor Type

Optical
N/A

Other Sensors

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