POCO X2 128GB vs vivo Y31 5G

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Comparing the POCO X2 128GB vs vivo Y31 5G across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Both POCO X2 128GB and vivo Y31 5G run at the same processing speed of 2.2 GHz.


Display: vivo Y31 5G offers a screen size of 6.68 inches, while POCO X2 128GB offers 6.67 inches, making vivo Y31 5G the larger display of the two. POCO X2 128GB features a IPS LCD display compared to vivo Y31 5G's LCD, making POCO X2 128GB the better display of the two.


Rear Camera: POCO X2 128GB offers a higher rear camera resolution with 64 MP, while vivo Y31 5G offers 50 MP, making POCO X2 128GB better for rear camera photography.


Front Camera: POCO X2 128GB offers a higher front camera resolution with 20 MP, while vivo Y31 5G offers 8 MP, making POCO X2 128GB better for front camera photography.


Battery: vivo Y31 5G offers a higher battery capacity with 6500 mAh, while POCO X2 128GB offers 4500 mAh, making vivo Y31 5G better for longer battery life.


Storage: Both POCO X2 128GB and vivo Y31 5G offer the same internal storage of 128 GB.


User Rating: POCO X2 128GB receives a higher user rating of 4.5, while vivo Y31 5G has a rating of 4.3.

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POCO X2 128GB
₹15,999
(Out of Stock)
vivo Y31 5G
₹19,999
@ Flipkart
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Summary

Spec Score

78%
77%

Release Date

11 Feb, 2020
13 Sep, 2025

Performance

Snapdragon 730G
Snapdragon 4 Gen 2
Octa Core (upto 2.2 GHz)
Octa Core (upto 2.2 GHz)
6 GB RAM
4 GB RAM

Display

6.67 inches (16.94 cm)
6.68 inches (16.97 cm)
IPS LCD
LCD
1080x2400 px (FHD+)
720x1608 px (HD+)
120 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

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

Front Camera

20 MP + 2 MP
8 MP
Wide Angle Lens

Battery

4500 mAh
6500 mAh
27W Fast Charging
44W Flash Charging
No Wireless Charging
No Wireless Charging

Storage

128 GB
128 GB
UFS 2.1
eMMC 5.1

Expert Review

8.0/10
N/A

Pros

  • 120Hz display is insane
  • Catchy design
  • Software is customisable
  • Primary camera is quite good
  • Device yet to be reviewed

Cons

  • Chipset is limiting the full potential for the 120
  • Device yet to be reviewed

User Ratings

4.5/5
(272,013 ratings)
4.3/5
(652 ratings)

Benchmarks (The higher, the better)

279,444
AnTuTu Score
N/A

Compare Prices

Not Available in any store
₹19,999
@ Flipkart

Video

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

User Feedback

General

Launch Date

Feb 11, 2020
(Official)
Sep 13, 2025
(Official)

Operating System

Android v10 (Q)
Android v15

Custom UI

MIUI
Funtouch OS

Performance

Performance Rating

Good
Good

Chipset

Qualcomm Snapdragon 730G
Qualcomm Snapdragon 4 Gen 2
View Details

Processor

Octa core

2.2 GHz, Dual core, Kryo 470 1.8 GHz, Hexa Core, Kryo 470
Octa core

2.2 GHz, Dual core, Cortex A78 1.95 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

8 nm
4 nm

Graphics (GPU)

Adreno 618
Adreno 613

RAM

6 GB / 8 GB
4 GB / 6 GB

RAM Type

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.

279,444
N/A

Bootup Time (The lower, the better)

18.0 s
N/A

Gaming Test Results

Battery Drain* (The lower, the better)

7.0 %
N/A

Heating* (The lower, the better)

40.9 %
N/A
* after 30 mins of gaming

Display

Display Rating

Excellent
Very Good

Display Type

IPS LCD
LCD

Screen Size

6.67 inches  (16.94 cm)
6.68 inches  (16.97 cm)

Resolution

1080x2400 px (FHD+)
720x1608 px (HD+)

Brightness

500 nits
N/A

Peak Brightness

N/A
1000 nits

HBM Brightness

N/A
1000 nits

Refresh Rate

120 Hz
120 Hz

Aspect Ratio

20:9
20:9

Pixel Density

395 ppi
264 ppi

Screen to Body Ratio (calculated)

84.83 %
84.2 %

Screen Protection

Corning Gorilla
Yes

Bezel-less Display

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

HDR 10 / HDR+ Support

Yes HDR 10+
N/A

Screen to Body Ratio (claimed by the brand)

91 %
N/A

Design

Height

165.3 mm
166.14 mm

Width

76.6 mm
77.01 mm

Thickness

8.7 mm
8.39 mm

Weight

208 grams
209 grams

Build Material

Back: Gorilla Glass
Back: Plastic

Water Resistance

Yes Splash proof
Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

N/A
Dust proof Shock proof

Rear Camera

Rear Camera Rating

Very Good
Good

Resolution

64 MP
Primary Cameraf/1.891/1.7" sensor size IMX686 Exmor-RS CMOS Sensor 0.8µm pixel size
50 MP
Primary Cameraf/1.8 Wide Angle
8 MP
f/2.2 Ultra-Wide Angle Camera1.12µm pixel size
0.08 MP
f/3.0
2 MP
f/2.4 Macro Camera1.75µm pixel size
N/A
2 MP
f/2.4 Depth Camera1.75µm pixel size
N/A

Autofocus

Yes Phase Detection Autofocus
Yes

OIS

No
No

Flash

Yes LED Flash
Yes LED Flash + Aura Light

Image Resolution

9000 x 7000 Pixels
8150 x 6150 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

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

Camera Features

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

Video Recording

4k @30 fps
Full HD @60 fps
Full HD @30 fps

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

20 MP
f/2.2 Primary Camera1/3.4" sensor size 0.8µm pixel size
8 MP
f/2.0 Wide Angle Primary Camera
2 MP
f/2.4 Camera1.75µm pixel size
N/A

Autofocus

N/A
No

Video Recording

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

Battery

Battery Rating

Very Good
Excellent

Capacity

4500 mAh
6500 mAh

Battery Type

Li-Polymer
Li-ion

Quick Charging

Yes 27W Fast Charging
Yes 44W Flash Charging 50% in 38 minutes

Reverse Charging

N/A
Yes

Battery Test Results

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

1h 29s
N/A

Storage

Internal Storage

64 GB / 128 GB / 256 GB
128 GB

Storage Type

UFS 2.1
eMMC 5.1

Expandable Storage

Yes Up to 512 GB
Yes Up to 2 TB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano (Hybrid)
SIM1: Nano SIM2: Nano (Hybrid)

Network Support

5G Not Supported 4G
5G 4G

VoLTE

Yes
Yes

SIM 1

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
5G Bands:
FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)
View More

SIM 2

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
5G Bands:
FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)
View More

SAR Value

Head: 1.080 W/kg Body: 0.620 W/kg
Head: 1.130 W/kg Body: 0.986 W/kg

Wi-Fi

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

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v5.0
Yes v4.2

GPS

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

NFC

No
No

Multimedia

Stereo Speakers

N/A
Yes

Audio Jack

3.5 mm
USB Type-C

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Side
Side

Other Sensors

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

Compare Prices

Not Available in any store
₹19,999
@ Flipkart