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Realme P4 5G vs Realme P4x 5G vs Infinix Note 40

Key Feature Comparison

Realme P4 5G

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Realme P4x 5G

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7.5

Infinix Note 40

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At a Glance

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Octa core (2.6 GHz, Quad core, Cortex A78 + 2 GHz, Quad core, Cortex A55)

MediaTek Dimensity 7400 MT6878, Mali-G615 MC2

Octa core (2.6 GHz, Quad core, Cortex A78 + 2 GHz, Quad core, Cortex A55)

MediaTek Dimensity 7400 Ultra, Mali-G615 MC2

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

MediaTek Helio G99 Ultimate, Mali-G57 MC2

7000 mAh

Li-Polymer, Super VOOC, 80W

7000 mAh

Li-Polymer, Super VOOC, 45W

5000 mAh

Li-Polymer, Fast, 45W

17.20 cm (6.77 inch)

387 ppi

17.07 cm (6.72 inch)

391 ppi, FHD+

17.22 cm (6.78 inch)

393 ppi

Dual, 50MP + 8MP

3840x2160 @ 30 fps, 1920x1080 @ 120 fps, 1280x720 @ 240 fps

Dual, 50MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 30 @ 60 @ 120 fps, 1280x720 @ 30 @ 60 @ 120 @ 240 fps

Dual, 108MP + 2MP

1920x1080 @ 60 fps, 2560x1440 @ 30 fps

5G

Dual SIM, GSM+GSM

5G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

17.20 cm (6.77 inch)
17.07 cm (6.72 inch)
17.22 cm (6.78 inch)

Screen Type

AMOLED
IPS LCD
AMOLED

Pixel Density

387 ppi
391 ppi
393 ppi

Aspect Ratio

19.5:9
20:09
-

Screen to Body Ratio

87.03%
91.40%
89.37%

Screen Design

Punch hole
Punch hole
Punch hole

Screen Refresh Rate

144 Hz
144 Hz
120 Hz

Peak Brightness

4500 nits
950 nits
-

Screen Quality

-
FHD+
-

Phone Variants

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

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 3.1
UFS 3.1
UFS 2.2

Expandable Storage Capacity

No
Yes, 2 TB
-

OTG Support

Yes
Yes
Yes

Sensors

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

Operating System

Android v15
Android v15, OS Updates, 2 Years, Security Updates, 3 Years
Android v14

GPU

Mali-G615 MC2
Mali-G615 MC2
Mali-G57 MC2

Chipset

MediaTek Dimensity 7400 MT6878
MediaTek Dimensity 7400 Ultra
MediaTek Helio G99 Ultimate

CPU

Octa core (2.6 GHz, Quad core, Cortex A78 + 2 GHz, Quad core, Cortex A55)
Octa core (2.6 GHz, Quad core, Cortex A78 + 2 GHz, Quad core, Cortex A55)
Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

Custom User Interface

Realme UI
-
-

Clock Speed

2.6 GHz
2.6 GHz
2.2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

4 nm
4 nm
6 nm

Battery Capacity

7000 mAh
7000 mAh
5000 mAh

Battery Removable

No
No
No

Battery Type

Li-Polymer
Li-Polymer
Li-Polymer

Charger Type

Super VOOC, 80W
Super VOOC, 45W
Fast, 45W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Charging Time

50 % in 25 minutes
100% in 90 Minutes
50 % in 26 minutes

Announced On

20-Aug-25
4-Dec-25
18-Mar-24

Market Status

Available
Available
Launched Globally

Brand

Realme
Realme
Infinix

Model Number

RMX5110
RMX3944
-

Price Status

Confirmed
Confirmed
Expected

Price

Rs. 18,499
Rs. 15,999
Rs. 16,590

GPS

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

NFC

No
No
Yes

Network Support

5G
5G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

No
No
Yes

3.5mm Audio Jack

No
No
No

SIM Size

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

Wi-Fi

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

v5.4
v5.4
-

Audio Jack

USB Type-C
USB Type-C
USB Type-C

SIM Slot(s)

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

eSIM

No
No
No

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
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 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...
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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...

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 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...
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) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G ...

Front Video Recording

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

Front Camera Setup

Single, 16MP
Single, 8MP
Single, 32MP

Front Camera 1 Resolution

16 MP
8 MP
32 MP

Front Camera 1 Type

f/2.4, Wide Angle, Primary Camera
f/2.0, Wide Angle, Primary Camera
f/2.2, Wide Angle, Primary Camera

Front Camera 1 Lens

23 mm focal length, 1/3.09" sensor size, 1 micrometre pixel size
1/4.0" sensor size, 1.12 micrometre pixel size
3.1" sensor size

Front Aperture

f/2.4
f/2.0
f/2.2

Front Flash

Yes, LED flash
No
-

Weight

185 grams
208 grams
190 grams

Colors

Steel Gray, Engine Blue, Forge Red
Matte Silver, Elegant Pink, Lake Green
Titan Gold, Obsidian Black

Dimensions

163.34 x 75.88 x 7.58 mm
166 x 76 x 8.39 mm
164.13 x 74.53 x 7.75 mm

SAR Value

Head: 0.981 W/kg, Body: 0.907 W/kg
Head: 1.180 W/kg, Body: 0.720 W/kg
-

Build

-
Back: Glass, Plastic
-

OIS

No
No
-

Rear Flash

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

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 120 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 @ 60 @ 120 fps, 1280x720 @ 30 @ 60 @ 120 @ 240 fps
1920x1080 @ 60 fps, 2560x1440 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Dual, 50MP + 8MP
Dual, 50MP + 2MP
Dual, 108MP + 2MP

Rear Camera 1 Resolution

50 MP
50 MP
108 MP

Rear Camera 1 Type

f/1.8, Wide Angle (76 degree field-of-view), Primary Camera
f/1.8, Wide Angle (76 degree field-of-view), Primary Camera
f/1.89, Wide Angle, Primary Camera

Rear Camera 1 Lens

27 mm focal length, 1/2.88" sensor size, 0.61 micrometre pixel size
27 mm focal length, 1/2.88" sensor size, 0.61micrometer pixel size
1.52" sensor size

Rear Camera 2 Resolution

8 MP
2 MP
2 MP

Rear Camera 2 Type

f/2.2, Ultra-Wide Angle
f/2.4, Mono Camera
f/2.4

Rear Camera 2 Lens

16 mm focal length, 1/4.0" sensor size, 1.12 micrometre pixel size
1/5.1" sensor size, 1.75micrometer pixel size
-

Rear Aperture

f/1.8
f/1.8
f/1.89

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
On-Screen
On-Screen

Fingerprint Scanner Type

Optical
Optical
Optical
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