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Findprix helps you compare the Realme P4x and Infinix Note 40 5G in terms of price, specifications, user reviews, and more. Realme P4x is expected to launch in India on December 10, 2025, with a starting price of ₹15,999 Infinix Note 40 5G is priced at ₹15,999. Here's a quick comparison.
| Key Highlights | Realme P4x | Infinix Note 40 5G |
|---|---|---|
| Processor | MediaTek Dimensity 7400 Ultra | 4 nm | MediaTek Dimensity 7020, 6 nm |
| RAM | 6GB | LPDDR4X | 8 GB |
| Storage | 128GB | UFS 3.1 | 256 GB, UFS 2.2 |
| Display | 6.72 inches | FHD+ | 6.78 inches, Full HD+ |
| Front Camera | 8MP | 32 MP |
| Rear Camera | 50MP + 2MP | 108 MP + 2 MP + 2 MP |
| Battery | 7000 mAh | 45W | 5000 mAh, Li-Polymer |
| OS | Android 15 | Android v14, XOS |
Overview
| Launch Date | December 10, 2025 | June 21, 2024 |
|---|---|---|
| Processor | MediaTek Dimensity 7400 Ultra | 4 nm | MediaTek Dimensity 7020, 6 nm |
| RAM | 6GB | LPDDR4X | 8 GB |
| Storage | 128GB | UFS 3.1 | 256 GB, UFS 2.2 |
| Display | 6.72 inches | FHD+ | 6.78 inches, Full HD+ |
| Front Camera | 8MP | 32 MP |
| Rear Camera | 50MP + 2MP | 108 MP + 2 MP + 2 MP |
| Battery | 7000 mAh | 45W | 5000 mAh, Li-Polymer |
| OS | Android 15 | Android v14, XOS |
| User Ratings | N/A | 4.2/5 (13.3K Ratings) |
Price List
 | N/A | ₹15,999 |
|---|---|---|
 | N/A | ₹16,399 |
General
| Device Type | Smartphone | Smartphone |
|---|---|---|
| Operating System | Android 15 | Android 14 |
| OS Updates | 2 Years | -- |
| Security Updates | 3 Years | -- |
| Custom UI | ColorOS | -- |
Design
| Dimensions | 166 x 76 x 8.39 mm | 165.51 x 75.93 x 7.91 mm |
|---|---|---|
| Weight | 208 g | 185 g |
| Water Resistance | Yes, IP64 | Yes, Splash proof, IP53 |
| Dust Resistance | Yes | -- |
| Build Material | Back: Glass, Plastic | -- |
| Durability | MIL-STD-810H compliant, Drop tested up to 1.5m | -- |
| Colours | Matte Silver, Elegant Pink, Lake Green | Obsidian Black, Titan Gold |
Display
| Touch Screen | Yes | Yes, Capacitive Touchscreen, Multi-touch |
|---|---|---|
| Display Type | LCD | Flexible AMOLED |
| Peak Brightness | 1000 nits | -- |
| Refresh Rate | 144 Hz | 120 Hz |
| Screen Size | 6.72 inches (17.07 cm), Full HD+ | 6.78 inches |
| Screen Resolution | 1080 x 2400 pixels | 1080 x 2436 pixels |
| Aspect Ratio | 20:9 | -- |
| Screen-to-Body Ratio | ~91.4% | -- |
| Pixel Density | ~391 ppi | 393 ppi |
| Screen Protection | Yes | -- |
Rear Camera
| Camera Setup | Dual | Triple |
|---|---|---|
| Primary | 50 MP (wide) 76° FoV, f/1.8 aperture, 27mm focal length, 1/2.88″ sensor size, 0.61µm pixel size upto 10x Digital Zoom PDAF | -- |
| Secondary | 2 MP (mono) f/2.4 aperture, 1/5.1″ sensor size, 1.75µm pixel size | -- |
| OIS | No | -- |
| Autofocus | Yes, PDAF | Yes |
| Sensor | OmniVision OV50D40 | -- |
| Flash | Yes, LED | Yes, Quad LED Flash |
| Video Recording | 2160p @ 30 fps, 1080p @ 120 fps | 2160p @ 30 fps |
| Features | -- | Digital Zoom, Auto Flash, Face detection, Touch to focus, Autofocus |
Front Camera
| Camera Setup | Single | Single |
|---|---|---|
| Primary | 8 MP (wide) f/2.0 aperture, 1/4.0″ sensor size, 1.12µm pixel size | 32 MP (wide) f/1.8 aperture |
| Video Recording | 1080p @ 30 fps, 720p @ 30 fps | 1080p @ 30 fps |
Performance
| RAM | 6 GB | 8 GB |
|---|---|---|
| RAM Type | LPDDR4X | -- |
| Chipset | MediaTek Dimensity 7400 Ultra | MediaTek Dimensity 7020 |
| Fabrication | 4 nm | 6 nm |
| GPU | Mali-G615 MC2 | IMG BXM-8-256 |
| CPU | Octa core 4x Cortex A78 @ 2.6 GHz 4x Cortex A55 @ 2 GHz | Octa core (2 x 2.2 GHz Cortex A78 + 6 x 2 GHz Cortex A55) |
Gaming
| FPS | 120 FPS | -- |
|---|---|---|
| Cooling System | Yes, Vapor Chamber | -- |
| Cooling Area | 5300 mm² | -- |
Storage
| Internal Storage | 128 GB | 256 GB |
|---|---|---|
| Storage Type | UFS 3.1 | UFS 2.2 |
| Memory Card Slot | Yes, up to 2 TB | Yes, Up to 2 TB |
Battery
| Battery | 7000 mAh | 5000 mAh |
|---|---|---|
| Battery Type | Li-Polymer | Li-Polymer |
| Wired Charging Speed | 45W | 33W |
| Wired Charging Time | 100% charge in ~90 minutes | -- |
| Wireless Charging Speed | -- | Yes |
| Bypass Charging | Yes | -- |
Network
| SIM | SIM 1: Nano SIM 2: Nano | Dual SIM (Nano + Nano) |
|---|---|---|
| Network Support | 5G, 4G, 3G, 2G | 5G, 4G, 3G, 2G |
| 5G Bands | n1, n3, n5, n8, n28, n40, n41, n77, n78 | -- |
| 4G Bands | B1, B3, B5, B8, B28, B40, B41 | -- |
| Navigation Support | GPS, Glonass, Galileo, BDS, QZSS | Yes |
| SAR | Head: 1.180 W/kg Body: 0.720 W/kg | -- |
Connectivity
| Bluetooth | Yes, v5.4 | Yes |
|---|---|---|
| Wi-Fi | Yes, Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) |
| USB | USB Type-C | USB Type-C |
| NFC | No | Yes |
Features
| Audio Jack | Yes, USB Type-C | Yes, USB Type-C |
|---|---|---|
| FM Radio | -- | Yes |
| Loud Speaker | Yes | Yes |
| Stereo Speakers | Yes | -- |
| Fingerprint Sensor | Yes, Side | Yes, In-display |
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
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