Xiaomi Redmi 15 vs vivo Y31 5G

Comparing the Xiaomi Redmi 15 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: Xiaomi Redmi 15 runs at a higher processing speed of 2.3 GHz, while vivo Y31 5G runs at 2.2 GHz, making Xiaomi Redmi 15 the better performer.

Display: Xiaomi Redmi 15 offers a screen size of 6.9 inches, while vivo Y31 5G offers 6.68 inches, making Xiaomi Redmi 15 the larger display of the two. Xiaomi Redmi 15 features a IPS LCD display compared to vivo Y31 5G's LCD, making Xiaomi Redmi 15 the better display of the two.

Rear Camera: Both Xiaomi Redmi 15 and vivo Y31 5G feature a 50 MP primary rear camera.

Front Camera: Both Xiaomi Redmi 15 and vivo Y31 5G feature a 8 MP primary front camera.

Battery: Xiaomi Redmi 15 offers a higher battery capacity with 7000 mAh, while vivo Y31 5G offers 6500 mAh, making Xiaomi Redmi 15 better for longer battery life.

Storage: Both Xiaomi Redmi 15 and vivo Y31 5G offer the same internal storage of 128 GB.

User Rating: vivo Y31 5G receives a higher user rating of 4.3, while Xiaomi Redmi 15 has a rating of 4.2.

Xiaomi Redmi 15

₹21,499

@ Amazon

vivo Y31 5G

₹19,999

@ Flipkart

Summary

Release Date

08 2025

09 2025

02 2026

Performance


Snapdragon 6s Gen 3	Snapdragon 4 Gen 2	MediaTek Dimensity 6300
Octa Core (upto 2.3 GHz)	Octa Core (upto 2.2 GHz)	Octa Core (upto 2.4 GHz)
6 GB RAM	4 GB RAM	4 GB RAM

Display


6.9 inches (17.53 cm)	6.68 inches (16.97 cm)	6.75 inches (17.15 cm)
IPS LCD	LCD	LCD
1080x2340 px (FHD+)	720x1608 px (HD+)	720x1570 px (HD+)
144 Hz Refresh Rate	120 Hz Refresh Rate	120 Hz Refresh Rate

Rear Camera


50 MP Wide Angle Primary Camera	50 MP Wide Angle Primary Camera	50 MP Wide Angle Primary Camera
N/A	0.08 MP Camera	2 MP Mono Camera

Front Camera


8 MP Wide Angle Lens	8 MP Wide Angle Lens	5 MP Wide Angle Lens

Battery


7000 mAh	6500 mAh	6500 mAh
33W Fast Charging	44W Flash Charging	45W Super VOOC Charging
No Wireless Charging	No Wireless Charging	No Wireless Charging

Storage

128 GB	128 GB	64 GB
UFS 2.2	eMMC 5.1	UFS 2.2

Expert Review

7.0/10

Read Expert Review

N/A

8.0/10

Read Expert Review

Pros

Two-day battery life
Premium design
Big screen for bingeing content

Device yet to be reviewed

Classy, subtle design
Battery easily lasts an entire day
Smooth everyday performance
Good thermal management

Cons

Thick bezels
Phone seems unnecessarily large
Low-light photography could be better

Device yet to be reviewed

Comes with an HD+ display
Android 15
Mono speaker

User Ratings

4.2/5

(4,386 ratings)

4.3/5

(656 ratings)

4.3/5

(8,484 ratings)

Compare Prices

₹21,499

@ Amazon

₹19,999

@ Flipkart

₹16,999

@ Flipkart

Video

1 Video

There are no videos available for the device.

User Feedback

General

Launch Date

August 19, 2025

(Official)

September 13, 2025

(Official)

February 10, 2026

(Official)

Operating System

Android v15

OS Updates

2 Year

N/A

2 Year

Security Updates

4 Year

N/A

3 Year

Custom UI

HyperOS

Funtouch OS

ColorOS

Performance

Performance Rating

Good

Chipset

Qualcomm Snapdragon 6s Gen 3

Qualcomm Snapdragon 4 Gen 2

MediaTek Dimensity 6300 MT6835

Processor

Octa core

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

Octa core

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

Octa core

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

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

6 nm

4 nm

6 nm

Graphics (GPU)

Adreno 619

Adreno 613

Mali-G57 MC2

RAM

6 GB / 8 GB

4 GB / 6 GB

RAM Type

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.

463,289

N/A

565,613

Bootup Time (The lower, the better)

34.0 s

N/A

37.0 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

357

Battery Drain* (The lower, the better)

6.0 %

N/A

6.0 %

Heating* (The lower, the better)

23.7 %

N/A

13.1 %

* after 30 mins of gaming

Display

Display Rating

Excellent

Very Good

Display Type

IPS LCD

LCD

Screen Size

6.9 inches (17.53 cm)

6.68 inches (16.97 cm)

6.75 inches (17.15 cm)

Resolution

1080x2340 px (FHD+)

720x1608 px (HD+)

720x1570 px (HD+)

Peak Brightness

850 nits

1000 nits

N/A

Brightness

N/A

700 nits

HBM Brightness

N/A

1000 nits

1125 nits

Refresh Rate

144 Hz

120 Hz

Touch Sampling Rate

288 Hz

N/A

240 Hz

Aspect Ratio

19.5:9

20:9

N/A

Pixel Density

374 ppi

264 ppi

256 ppi

Screen to Body Ratio (calculated)

86.04 %

84.2 %

85.34 %

Screen Protection

N/A

Yes

N/A

Bezel-less Display

Yes with punch-hole display

Screen to Body Ratio (claimed by the brand)

N/A

90.6 %

Design

Height

168.48 mm

166.14 mm

166.6 mm

Width

80.45 mm

77.01 mm

78.5 mm

Thickness

8.40 mm

8.39 mm

8.6 mm

Weight

217 grams

209 grams

212 grams

Build Material

Back: Plastic

N/A

Water Resistance

Yes Splash proof IP64

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

Yes Water resistant IP64

Ruggedness

Dust proof

Dust proof Shock proof

N/A

Rear Camera

Rear Camera Rating

Good

Resolution

50 MP
Primary Cameraf/1.75 Wide Angle

50 MP
Primary Cameraf/1.8 Wide Angle

50 MP
Primary Camera10x Digital Zoomf/1.8 Wide Angle

N/A

0.08 MP
f/3.0

2 MP
f/2.4 Mono Camera

Autofocus

Yes

OIS

N/A

Flash

Yes LED Flash

Yes LED Flash + Aura Light

N/A

Image Resolution

8150 x 6150 Pixels

N/A

Settings

Exposure compensation ISO control

N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

N/A

Camera Features

Digital Zoom
Auto Flash
Face detection
Filters
Touch to focus

Digital Zoom
Auto Flash
Face detection
Touch to focus

10 x Digital Zoom

Video Recording

Full HD @30 fps

Full HD @30/60 fps
HD @30/60 fps

Video Recording Features

N/A

Dual Video Recording

Front Camera

Front Camera Rating

Very Good

Resolution

8 MP
f/2.2 Wide Angle Primary Camera

8 MP
f/2.0 Wide Angle Primary Camera

5 MP
f/2.2 Wide Angle Primary Camera

Autofocus

N/A

Flash

N/A

Yes Screen flash

Video Recording

Full HD @30 fps

Full HD @30 fps
HD @30 fps

Battery

Battery Rating

Very Good

Capacity

7000 mAh

6500 mAh

Battery Type

Silicon Carbon

Li-ion

N/A

Quick Charging

Yes 33W Fast Charging

Yes 44W Flash Charging 50% in 38 minutes

Yes 45W Super VOOC Charging

Reverse Charging

Yes 18W Reverse Charging

Yes

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 54m

N/A

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

1h 18m

N/A

1h 28m

Storage

Internal Storage

128 GB / 256 GB

128 GB

64 GB / 128 GB

Storage Type

UFS 2.2

eMMC 5.1

UFS 2.2

Expandable Storage

Yes Up to 2 TB

Yes

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano (Hybrid)

SIM1: Nano SIM2: Nano

Network Support

5G 4G

VoLTE

Yes

SIM 1

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N78

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78

5G Bands:

FDD N1 / N3 / N5 / N8 / N28B
TDD N38 / N40 / N41 / N48 / N77 / N78

4G Bands:

TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)

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)

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)

SIM 2

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N78

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78

5G Bands:

FDD N1 / N3 / N5 / N8
TDD N38 / N40 / N41 / N48 / N77 / N78

4G Bands:

TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)

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)

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)