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Xiaomi Redmi 15 5G vs Realme 15x 5G vs Vivo Y31

Key Feature Comparison

Xiaomi Redmi 15 5G

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Realme 15x 5G

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At a Glance

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Octa core (2.3 GHz, Dual core, Cortex A78 + 1.95 GHz, Hexa Core, Cortex A55)

Qualcomm Snapdragon 6s Gen 3, Adreno 619

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

MediaTek Dimensity 6300, Mali-G57 MC2

Quad core, 1.3 GHz, Cortex A7

MediaTek MT6580, Mali-400 MP

7000 mAh

Silicon Carbon, Fast, 33W

7000 mAh

Li-Polymer, Super VOOC, 60W

2100 mAh

Li-Polymer

17.53 cm (6.9 inch)

374 ppi, FHD

17.27 cm (6.8 inch)

254 ppi, HD

11.94 cm (4.7 inch)

312 ppi

Single, 50MP

1920x1080 @ 30 fps

Single, 50MP

1920x1080 @ 30 fps, 1280x720 @ 30 @ 120 fps

Single, 8MP

1920x1080 @ 30 fps

5G

Dual SIM, GSM+GSM

5G

Dual SIM, GSM+GSM

3G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

17.53 cm (6.9 inch)
17.27 cm (6.8 inch)
11.94 cm (4.7 inch)

Screen Resolution

1080 x 2340 pixels
720 x 1570 pixels
720 x 1280 pixels

Pixel Density

374 ppi
254 ppi
312 ppi

Aspect Ratio

20:09
20:09
-

Screen Protection

Yes
-
-

Screen to Body Ratio

86.04%
87.52%
64.46%

Screen Design

Punch hole
Punch hole
-

Screen Refresh Rate

144 Hz
144 Hz
-

Screen Quality

FHD
HD
-

Peak Brightness

850 nits
1200 nits
-

Screen Type

-
IPS LCD
IPS LCD

Phone Variants

6GB 128GB, 8GB 256GB
6GB 128GB, 8GB 128GB, 8GB 256GB
1GB 8GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
-
-

Storage Type

UFS 2.2
UFS 2.2
-

Expandable Storage Capacity

Yes, 2 TB
Yes
Yes, 128 GB

OTG Support

-
Yes
-

Sensors

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

Operating System

Android v15
Android v15
Android v5.1 (Lollipop)

GPU

Adreno 619
Mali-G57 MC2
Mali-400 MP

Chipset

Qualcomm Snapdragon 6s Gen 3
MediaTek Dimensity 6300
MediaTek MT6580

CPU

Octa core (2.3 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)
Quad core, 1.3 GHz, Cortex A7

Clock Speed

2.3 GHz
2.4 GHz
1.3 GHz

Architecture

64 bit
64 bit
-

Process Technology

4 nm
6 nm
-

Custom User Interface

-
Realme UI
-

Battery Capacity

7000 mAh
7000 mAh
2100 mAh

Battery Removable

No
No
Yes

Battery Type

Silicon Carbon
Li-Polymer
Li-Polymer

Charger Type

Fast, 33W
Super VOOC, 60W
-

USB Type-C

Yes
Yes
-

Fast Charging

Yes
Yes
-

Announced On

19-Aug-25
1-Oct-25
5-Sep-15

Market Status

Available
Available
Out of Stock

Brand

Xiaomi
Realme
Vivo

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 14,999
Rs. 16,999
Rs. 7,999

Model Number

-
RMX5250
-

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS

NFC

Yes
No
-

Network Support

5G
5G
3G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

No
-
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)
-

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
Yes, Wi-Fi 802.11, b/g/n

Bluetooth Type

v5.1
v5.3
v4.0

Audio Jack

USB Type-C
USB Type-C
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No
-

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes
-

SIM 1 Bands

5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41 / 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), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 M...
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41, 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), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 850 / 900 M...
3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41 / 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), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 M...
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41, 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), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 850 / 900 M...
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz...

FM Radio

-
No
Yes

Front Video Recording

1920x1080 @ 30 fps
3840x2160 @ 30 @ 60 fps, 1920x1080 @ 30 @ 60 fps, 1280x720 @ 30 fps
-

Front Camera Setup

Single, 8MP
Single, 50MP
Single, 2MP

Front Camera 1 Resolution

8 MP
8 MP
2 MP

Front Camera 1 Type

f/2.2, Wide Angle, Primary Camera
f/2.4, Wide Angle, Primary Camera
Primary Camera

Front Aperture

f/2.2
f/2.4
-

Front Camera Features

-
Wide Angle Selfie
-

Front Camera 1 Lens

-
22 mm focal length, 1/2.88" sensor size
-

Front Flash

-
Yes, LED Flash
-

Weight

217 grams
212 grams
137 grams

Colors

Sandy Purple, Frosted White, Midnight Black
Aqua Blue, Marine Blue, Maroon Red
Black, White

Build

Back: Plastic
-
-

Dimensions

168.48 x 80.45 x 8.40 mm
166.07 x 77.93 x 8.28 mm
137.2 x 68.7 x 8.3 mm

OIS

No
No
-

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 @ 120 fps
1920x1080 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Single, 50MP
Single, 50MP
Single, 8MP

Rear Camera 1 Resolution

50 MP
50 MP
8 MP

Rear Camera 1 Type

f/1.75, Wide Angle, Primary Camera
f/1.8, Wide Angle (76 degree field-of-view), Primary Camera
Primary Camera

Rear Aperture

f/1.75
f/1.8
-

Rear Camera 1 Lens

-
28 mm focal length, 1/2.88" sensor size, 0.61 micrometer pixel size
-

Fingerprint Scanner

Yes
Yes
-

Fingerprint Scanner Position

Side
Side
-
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