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Findprix helps you compare the Infinix Note 40X 5G 12GB RAM and Realme P4x in terms of price, specifications, user reviews, and more. Infinix Note 40X 5G 12GB RAM is priced at ₹15,999. Realme P4x is expected to launch in India on December 10, 2025, with a starting price of ₹15,999 Here's a quick comparison.
| Key Highlights | Infinix Note 40X 5G 12GB RAM | Realme P4x |
|---|---|---|
| Processor | MediaTek Dimensity 6300 | 6 nm | MediaTek Dimensity 7400 Ultra | 4 nm |
| RAM | 12GB | 6GB | LPDDR4X |
| Storage | 256GB | UFS 2.2 | 128GB | UFS 3.1 |
| Display | 6.78 inches | FHD+ | 6.72 inches | FHD+ |
| Front Camera | 8MP | 8MP |
| Rear Camera | 108MP + 2MP | 50MP + 2MP |
| Battery | 5000 mAh | 18W | 7000 mAh | 45W |
| OS | Android v14 | Android 15 |
Overview
| Launch Date | August 9, 2024 | December 10, 2025 |
|---|---|---|
| Processor | MediaTek Dimensity 6300 | 6 nm | MediaTek Dimensity 7400 Ultra | 4 nm |
| RAM | 12GB | 6GB | LPDDR4X |
| Storage | 256GB | UFS 2.2 | 128GB | UFS 3.1 |
| Display | 6.78 inches | FHD+ | 6.72 inches | FHD+ |
| Front Camera | 8MP | 8MP |
| Rear Camera | 108MP + 2MP | 50MP + 2MP |
| Battery | 5000 mAh | 18W | 7000 mAh | 45W |
| OS | Android v14 | Android 15 |
| User Ratings | 4.2/5 (35.2K Ratings) | N/A |
Price List
 | ₹15,999 | N/A |
|---|---|---|
 | ₹16,000 | N/A |
General
| Device Type | Smartphone | Smartphone |
|---|---|---|
| Operating System | Android 14 | Android 15 |
| OS Updates | -- | 2 Years |
| Security Updates | -- | 3 Years |
| Custom UI | XOS | ColorOS |
Design
| Dimensions | 168.94 x 76.49 x 8.26 mm | 166 x 76 x 8.39 mm |
|---|---|---|
| Weight | 201 g | 208 g |
| Water Resistance | Yes, Splash proof, IP52 | Yes, IP64 |
| Dust Resistance | Yes | Yes |
| Build Material | Back: Plastic | Back: Glass, Plastic |
| Durability | -- | MIL-STD-810H compliant, Drop tested up to 1.5m |
| Colours | Lime Green, Palm Blue, Starlit Black | Matte Silver, Elegant Pink, Lake Green |
Display
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch | Yes |
|---|---|---|
| Display Type | IPS LCD | LCD |
| Peak Brightness | 500 nits | 1000 nits |
| Refresh Rate | 120 Hz | 144 Hz |
| Screen Size | 6.78 inches (17.22 cm), Full HD+ | 6.72 inches (17.07 cm), Full HD+ |
| Screen Resolution | 1080 x 2460 pixels | 1080 x 2400 pixels |
| Aspect Ratio | -- | 20:9 |
| Screen-to-Body Ratio | 84.5% | ~91.4% |
| Pixel Density | ~ 396 ppi | ~391 ppi |
| Screen Protection | -- | Yes |
Rear Camera
| Camera Setup | Triple | Dual |
|---|---|---|
| Primary | 108 MP (Wide) f/1.8 aperture PDAF | 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 (Macro) f/2.4 aperture | 2 MP (mono) f/2.4 aperture, 1/5.1″ sensor size, 1.75µm pixel size |
| OIS | -- | No |
| Autofocus | Yes | Yes, PDAF |
| Sensor | -- | OmniVision OV50D40 |
| Flash | Yes, Quad LED Flash | Yes, LED |
| Video Recording | 1080p @ 30 fps | 2160p @ 30 fps, 1080p @ 120 fps |
| Features | Digital Zoom Auto Flash Face detection | -- |
Front Camera
| Camera Setup | Single | Single |
|---|---|---|
| Primary | 8 MP (Wide) f/2.4 aperture | 8 MP (wide) f/2.0 aperture, 1/4.0″ sensor size, 1.12µm pixel size |
| Video Recording | 1080p @ 30 fps | 1080p @ 30 fps, 720p @ 30 fps |
Performance
| RAM | 12 GB | 6 GB |
|---|---|---|
| RAM Type | -- | LPDDR4X |
| Chipset | MediaTek Dimensity 6300 | MediaTek Dimensity 7400 Ultra |
| Fabrication | 6 nm | 4 nm |
| GPU | Mali-G57 MC2 | Mali-G615 MC2 |
| CPU | Octa core (2 x 2.4 GHz Cortex A76 + 6 x 2 GHz Cortex A55) | Octa core 4x Cortex A78 @ 2.6 GHz 4x Cortex A55 @ 2 GHz |
Gaming
| FPS | -- | 120 FPS |
|---|---|---|
| Cooling System | -- | Yes, Vapor Chamber |
| Cooling Area | -- | 5300 mm² |
Storage
| Internal Storage | 256 GB | 128 GB |
|---|---|---|
| Storage Type | UFS 2.2 | UFS 3.1 |
| Memory Card Slot | Yes, Up to 1 TB | Yes, up to 2 TB |
Battery
| Battery | 5000 mAh | 7000 mAh |
|---|---|---|
| Battery Type | Li-Polymer | Li-Polymer |
| Wired Charging Speed | 18W | 45W |
| Wired Charging Time | 50% in 31 minutes | 100% charge in ~90 minutes |
| Bypass Charging | -- | Yes |
Network
| SIM | Dual SIM SIM1: Nano SIM2: Nano | SIM 1: Nano SIM 2: 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 | Yes with A-GPS | GPS, Glonass, Galileo, BDS, QZSS |
| SAR | -- | Head: 1.180 W/kg Body: 0.720 W/kg |
Connectivity
| Bluetooth | Yes, v5.2 | Yes, v5.4 |
|---|---|---|
| Wi-Fi | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz | Yes, Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| USB | USB Type-C 2.0, OTG | USB Type-C |
| NFC | Yes | No |
Features
| Audio Jack | Yes, 3.5 mm | Yes, USB Type-C |
|---|---|---|
| FM Radio | Yes | -- |
| Loud Speaker | Yes | Yes |
| Stereo Speakers | -- | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
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