Samsung Galaxy M31 128GB vs OPPO K14x 5G

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Comparing the Samsung Galaxy M31 128GB vs OPPO K14x 5G 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: OPPO K14x 5G scores higher on the Geekbench Multi-Core test with 1,869, while Samsung Galaxy M31 128GB scores 1,284, making OPPO K14x 5G the better performer.


Display: OPPO K14x 5G offers a screen size of 6.75 inches, while Samsung Galaxy M31 128GB offers 6.4 inches, making OPPO K14x 5G the larger display of the two. Samsung Galaxy M31 128GB features a Super AMOLED display compared to OPPO K14x 5G's LCD, making Samsung Galaxy M31 128GB the better display of the two.


Rear Camera: Samsung Galaxy M31 128GB offers a higher rear camera resolution with 64 MP, while OPPO K14x 5G offers 50 MP, making Samsung Galaxy M31 128GB better for rear camera photography.


Front Camera: Samsung Galaxy M31 128GB offers a higher front camera resolution with 32 MP, while OPPO K14x 5G offers 5 MP, making Samsung Galaxy M31 128GB better for front camera photography.


Battery: OPPO K14x 5G offers a higher battery capacity with 6500 mAh, while Samsung Galaxy M31 128GB offers 6000 mAh, making OPPO K14x 5G better for longer battery life.


Storage: OPPO K14x 5G offers higher internal storage with 64 GB, while Samsung Galaxy M31 128GB offers 128 GB, making OPPO K14x 5G the better option for storage.


Expert Review: OPPO K14x 5G receives a higher expert rating of 8 from the editorial team, while Samsung Galaxy M31 128GB is rated 7.


User Rating: OPPO K14x 5G receives a higher user rating of 4.3, while Samsung Galaxy M31 128GB has a rating of 4.2.

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Samsung Galaxy M31 128GB
₹18,665
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OPPO K14x 5G
₹16,499
@ Amazon
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₹17,999
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Summary

Spec Score

78%
81%
80%

Release Date

06 Apr, 2020
11 Feb, 2026
19 Oct, 2026

Performance

Samsung Exynos 9 Octa 9611
MediaTek Dimensity 6300
Samsung Exynos 1330
Octa Core (upto 2.3 GHz)
Octa Core (upto 2.4 GHz)
Octa Core (upto 2.4 GHz)
6 GB RAM
4 GB RAM
4 GB/ 6 GB/ 8 GB/ RAM

Display

6.4 inches (16.26 cm)
6.75 inches (17.15 cm)
6.7 inches (17.02 cm)
Super AMOLED
LCD
Super AMOLED
1080x2340 px (FHD+)
720x1570 px (HD+)
1080x2340 px (FHD+)
N/A
120 Hz Refresh Rate
90 Hz Refresh Rate

Rear Camera

64 MP
Primary Camera
50 MP
Wide Angle Primary Camera
50 MP
Wide Angle Primary Camera
8 MP
Ultra-Wide Angle Camera
2 MP
Mono Camera
5 MP
Ultra-Wide Angle Camera
5 MP
Macro Camera
N/A
2 MP
Macro Camera
5 MP
Depth Camera
N/A
N/A

Front Camera

32 MP
5 MP
Wide Angle Lens
13 MP
Wide Angle Lens

Battery

6000 mAh
6500 mAh
5000 mAh
15W Fast Charging
45W Super VOOC Charging
25W Fast Charging
No Wireless Charging
No Wireless Charging
No Wireless Charging

Storage

128 GB
64 GB
128 GB
UFS 2.1
UFS 2.2
UFS 2.2

Expert Review

7.0/10
8.0/10
N/A

Pros

  • Terrific battery life
  • Attractive AMOLED display
  • Smooth software experience
  • Classy, subtle design
  • Battery easily lasts an entire day
  • Smooth everyday performance
  • Good thermal management
  • Device yet to be reviewed

Cons

  • Poor low light camera performance
  • Processor could be better
  • Uninspiring design
  • Comes with an HD+ display
  • Android 15
  • Mono speaker
  • Device yet to be reviewed

User Ratings

4.2/5
(313,183 ratings)
4.3/5
(10,416 ratings)
N/A

Benchmarks (The higher, the better)

194,497
AnTuTu Score
565,613
AnTuTu Score
N/A
15h 43m
Battery Life (PC Mark)
N/A
N/A

Compare Prices

Not Available in any store
₹16,499
@ Amazon
₹17,999
@ Flipkart

Video

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

User Feedback

General

Launch Date

Apr 06, 2020
(Official)
Feb 10, 2026
(Official)
Oct 18, 2026
(Official)

Operating System

Android v10 (Q)
Android v15
Android v15

OS Updates

N/A
2 Year
5 Year

Security Updates

N/A
3 Year
5 Year

Custom UI

Samsung One UI
ColorOS
Samsung One UI

Performance

Performance Rating

Good
Good
Good

Chipset

Samsung Exynos 9 Octa 9611
MediaTek Dimensity 6300 MT6835
View Details
Samsung Exynos 1330
View Details

Processor

Octa core

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

2.4 GHz, Dual core, Cortex A76 2 GHz, Hexa Core, Cortex A55
Octa core

2.4 GHz, Dual core, Cortex A78 2 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

10 nm
6 nm
5 nm

Graphics (GPU)

Mali-G72 MP3
Mali-G57 MC2
Mali-G68 MP2

RAM

6 GB / 8 GB
4 GB / 6 GB
4 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Performance Test Results

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

194,497
565,613
N/A

Bootup Time (The lower, the better)

26.0 s
37.0 s
N/A

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
357
N/A

Battery Drain* (The lower, the better)

6.0 %
6.0 %
N/A

Heating* (The lower, the better)

48.3 %
13.1 %
N/A
* after 30 mins of gaming

Display

Display Rating

Best In Class
Very Good
Excellent

Display Type

Super AMOLED
LCD
Super AMOLED

Screen Size

6.4 inches  (16.26 cm)
6.75 inches  (17.15 cm)
6.7 inches  (17.02 cm)

Resolution

1080x2340 px (FHD+)
720x1570 px (HD+)
1080x2340 px (FHD+)

Brightness

N/A
700 nits
N/A

Peak Brightness

N/A
N/A
1100 nits

HBM Brightness

N/A
1125 nits
800 nits

Refresh Rate

N/A
120 Hz
90 Hz

Touch Sampling Rate

N/A
240 Hz
N/A

Aspect Ratio

19.5:9
N/A
19.5:9

Pixel Density

403 ppi
256 ppi
387 ppi

Screen to Body Ratio (calculated)

83.92 %
85.34 %
85.86 %

Screen Protection

Corning Gorilla
N/A
Corning Gorilla Glass Victus

Bezel-less Display

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

Screen to Body Ratio (claimed by the brand)

N/A
90.6 %
84.70 %

Design

Height

159.2 mm
166.6 mm
164.4 mm

Width

75.1 mm
78.5 mm
77.9 mm

Thickness

8.9 mm
8.6 mm
7.5 mm

Weight

191 grams
212 grams
192 grams

Build Material

Back: Plastic
N/A
Back: Glass Fiber

Water Resistance

N/A
Yes Water resistant IP64
Yes Splash proof IP54

Ruggedness

N/A
N/A
Dust proof

Rear Camera

Rear Camera Rating

Very Good
Good
Very Good

Resolution

64 MP
Primary Camera8x Digital Zoomf/1.826 mm focal length 1/1.7" sensor size S5KGW1 ISOCELL Plus 0.8µm pixel size
50 MP
Primary Camera10x Digital Zoomf/1.8 Wide Angle
50 MP
Primary Camera10x Digital Zoomf/1.8 Wide Angle1/2.76" sensor size S5KJN1 0.64µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera12 mm focal length 1/4.0" sensor size 1.12µm pixel size
2 MP
f/2.4 Mono Camera
5 MP
f/2.2 Ultra-Wide Angle Camera1/5.0" sensor size 1.12µm pixel size
5 MP
f/2.4 Macro Camera25 mm focal length 1/5.0" sensor size 1.12µm pixel size
N/A
2 MP
f/2.4 Macro Camera1/5.0" sensor size 1.75µm pixel size
5 MP
f/2.2 Depth Camera
N/A
N/A

Autofocus

Yes Phase Detection Autofocus
Yes
Yes

OIS

No
N/A
Yes

Flash

Yes LED Flash
N/A
Yes LED Flash

Image Resolution

9000 x 7000 Pixels
N/A
8160 x 6120 Pixels

Settings

Exposure compensation ISO control
N/A
Exposure compensation ISO control

Shooting Modes

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

Camera Features

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

Video Recording

4k @30 fps
Full HD @30 fps
HD @240 fps
Full HD @30/60 fps
HD @30/60 fps
Full HD @30 fps
HD @120 fps

Video Recording Features

N/A
Dual Video Recording
Video Pro Mode

Front Camera

Front Camera Rating

Very Good
Very Good
Very Good

Resolution

32 MP
f/2.0 Primary Camera26 mm focal length 1/2.8" sensor size Exmor RS 0.8µm pixel size
5 MP
f/2.2 Wide Angle Primary Camera
13 MP
f/2.0 Wide Angle Primary Camera1/3.1" sensor size 1.12µm pixel size

Autofocus

No
N/A
No

Flash

No
Yes Screen flash
No

Camera Features

N/A
N/A
Fixed Focus

Video Recording

Full HD @30 fps
Full HD @30 fps
HD @30 fps
Full HD @30 fps

Battery

Battery Rating

Very Good
Very Good
Very Good

Capacity

6000 mAh
6500 mAh
5000 mAh

Battery Type

Li-ion
N/A
Li-ion

TalkTime

Up to 48 Hours(4G)
N/A
N/A

Quick Charging

Yes 15W Fast Charging
Yes 45W Super VOOC Charging
Yes 25W Fast Charging

Reverse Charging

N/A
Yes
N/A

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.

15h 43m
N/A
N/A

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

2h 1m 8s
1h 28m
N/A

Storage

Internal Storage

64 GB / 128 GB
64 GB / 128 GB
128 GB

Storage Type

UFS 2.1
UFS 2.2
UFS 2.2

Expandable Storage

Yes Up to 512 GB
Yes
Yes Up to 2 TB

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 (Hybrid)

Network Support

5G Not Supported 4G
5G 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) / 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 / N3 / N5 / N8 / N28B
TDD N38 / N40 / N41 / N48 / N77 / N78
5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N26 / N28 / N66
TDD N38 / N40 / N41 / N66 / N77 / N78
N/A
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 850(band 19)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 1700(band 66) / 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) / 700 (band 12)
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) / 850(band 26)
5G Bands:
FDD N1 / N3 / N5 / N8
TDD N38 / N40 / N41 / N48 / N77 / N78
5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N26 / N28 / N66
TDD N38 / N40 / N41 / N66 / N77 / N78
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 850(band 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 17) / 800(band 20) / 850(band 26) / 1700(band 66) / 700 (band 12)
View More

SAR Value

Head: 0.383 W/kg
N/A
Head: 0.640 W/kg

Wi-Fi

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

Wi-Fi Features

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

Bluetooth

Yes v5.0
Yes v5.4
Yes v5.3

GPS

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

NFC

No
No
Yes

IR Blaster

N/A
No
N/A

Multimedia

Audio Jack

3.5 mm
3.5 mm
USB Type-C

Audio Features

Dolby Atmos
N/A
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

Rear
Side
Side

Fingerprint Sensor Type

N/A
Optical
Capacitive

Other Sensors

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

Compare Prices

Not Available in any store
₹16,499
@ Amazon
₹17,999
@ Flipkart