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Realme P3x 5G vs Vivo Y400 5G

Key Feature Comparison

Realme P3x 5G

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Vivo Y400 5G

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At a Glance

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Octa core (2.5 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

MediaTek Dimensity 6400, Mali-G57 MC2

Octa core (2.2 GHz, Dual core, Cortex A78 + 1.95 GHz, Hexa Core, Cortex A55)

Qualcomm Snapdragon 4 Gen 2 SM4450, Adreno 613

6000 mAh

Li-Polymer, Super VOOC, 45W

6000 mAh

Li-ion, Flash, 90W

6.72 inches

392 ppi, FHD+

6.67 inches

394 ppi, FHD+

Dual, 50MP + 2MP

Full HD @ 60 FPS, HD @ 120 FPS

Dual, 50MP + 2MP

1920x1080 @ 30 fps

5G

Dual SIM, GSM+GSM

5G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.72 inches
6.67 inches

Screen Type

IPS LCD
AMOLED

Pixel Density

392 ppi
394 ppi

Aspect Ratio

20:09
20:09

Screen to Body Ratio

91.40%
91.99%

Screen Design

Punch hole
Punch hole

Screen Refresh Rate

120 Hz
120 Hz

Screen Quality

FHD+
FHD+

Peak Brightness

950 nits
1800 Nits

Screen Resolution

-
1080 x 2400 pixels

Phone Variants

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

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
LPDDR4X

Expandable Storage Capacity

Yes, 2 TB
Yes, 2 TB

OTG Support

Yes
Yes

Storage Type

-
UFS 3.1

Sensors

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

Operating System

Android v15
Android v15

GPU

Mali-G57 MC2
Adreno 613

Chipset

MediaTek Dimensity 6400
Qualcomm Snapdragon 4 Gen 2 SM4450

CPU

Octa core (2.5 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.2 GHz, Dual core, Cortex A78 + 1.95 GHz, Hexa Core, Cortex A55)

Custom User Interface

Realme UI
Funtouch OS

Clock Speed

2.5 GHz
2.2 GHz

Architecture

64 bit
64 bit

Process Technology

6 nm
4 nm

Battery Capacity

6000 mAh
6000 mAh

Battery Removable

No
No

Battery Type

Li-Polymer
Li-ion

Charger Type

Super VOOC, 45W
Flash, 90W

USB Type-C

Yes
Yes

Fast Charging

Yes
Yes

Charging Time

-
80 % in 30 minutes

Announced On

18-Feb-25
4-Aug-25

Market Status

Available
Available

Brand

Realme
Vivo

Model Number

RMX3944
V2506

Price Status

Confirmed
Confirmed

Price

Rs. 13,999
Rs. 21,999

GPS

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

NFC

No
No

Network Support

5G
5G

Bluetooth

Yes
Yes

FM Radio

No
No

3.5mm Audio Jack

No
No

SIM Size

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

Wi-Fi

Yes, Wi-Fi 6E (802.11 a/b/g/n/ac/ax) 5GHz 6GHz, MIMO
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz

Bluetooth Type

v5.3
v5.0

Audio Jack

USB Type-C
USB Type-C

SIM Slot(s)

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

eSIM

No
No

Wi-Fi Features

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 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM...
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N77 / N78, 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), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands:...

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 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM...
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N77 / N78, 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), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands:...

Front Video Recording

Full HD @ 30 FPS, HD @ 30 FPS
1920x1080 @ 30 fps

Front Camera Setup

Single, 8MP
Single, 32MP

Front Camera 1 Resolution

8 MP
32 MP

Front Camera 1 Type

f/2.0, Wide Angle, Primary Camera
f/2.45, Primary Camera

Front Aperture

f/2.0
f/2.45

Front Camera 1 Lens

-
1/3.1" sensor size, 0.7 micrometer pixel size

Weight

197 grams
197 grams

Colors

Lunar Silver, Stellar Pink, Midnight Blue
Olive Green, Glam White

Build

Back: Plastic, Vegan Leather
Back: Plastic

Dimensions

165.7 x 76.22 x 7.94 mm
162.99 x 75.31 x 7.90 mm

SAR Value

-
Head: 0.99 W/kg, Body: 0.80 W/kg

Rear Flash

Yes, LED Flash
Yes, Dual-color LED Flash + Aura Light

Rear Video Recording

Full HD @ 60 FPS, HD @ 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

Rear Camera Setup

Dual, 50MP + 2MP
Dual, 50MP + 2MP

Rear Camera 1 Resolution

50 MP
50 MP

Rear Camera 1 Type

f/1.8, Wide Angle (75 degree field-of-view), Primary Camera
f/1.8, Wide Angle, Primary Camera

Rear Camera 1 Lens

27 mm focal length, 1/2.88" sensor size, OV50D, 0.61micrometer pixel size
1/1.95" sensor size, IMX882, 0.8 micrometer pixel size

Rear Camera 2 Resolution

2 MP
2 MP

Rear Camera 2 Type

f/2.4, Depth Camera
f/2.4, Depth Camera

Rear Camera 2 Lens

22 mm focal length
-

Rear Sensor

OV50D
-

Rear Aperture

f/1.8
f/1.8

OIS

-
Yes

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

On-Screen
On-Screen

Fingerprint Scanner Type

Optical
Optical

Face Unlock

-
Yes
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