Infinix Note 40X 5G vs Xiaomi Redmi Note 15 5G (256GB)
Here you can compare Infinix Note 40X 5G and Xiaomi Redmi Note 15 5G (256GB). Comparing Infinix Note 40X 5G vs Xiaomi Redmi Note 15 5G (256GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Infinix Note 40X 5G stands against Xiaomi Redmi Note 15 5G (256GB) and which one should you buy The current lowest price found for Infinix Note 40X 5G is ₹14,999 and for Xiaomi Redmi Note 15 5G (256GB) is ₹28,999. The details of both of these products were last updated on Jun 08, 2026.
| Specification | Infinix Note 40X 5G | Xiaomi Redmi Note 15 5G (256GB) |
|---|---|---|
| Battery | 5000 mAh | 5520 mAh |
| Display | 6.78 inches, 1080 x 2406 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Internal Memory | 256 GB | 256 GB |
| CPU | 2.4 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Rear Camera | 108 MP ƒ/1.8 (Wide Angle) AI Lens 2 MP | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| Price | ₹14,999 | ₹28,999 |
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Overview
| Specs Score | 61 / 100 | 71 / 100 Better Specs |
| Display Resolution | 1080 x 2406 pixels Better Resolution | 1080 x 2392 pixels |
| Front Camera | 8 MP | 20 MP Better Front Camera Resolution |
| Weight | 201 g | 178 g Lighter |
| Thickness | 8.26 mm | 7.35 mm Slimmer |
| Battery | 5000 mAh | 5520 mAh Bigger Battery |
| Unique Features | 3.5mm Audio Jack FM Radio No No | No No Water Resistant IR Blaster |
General
| Country of Origin | India | |
| Model | Note 40 5G | 25096RA9BG, 25098RA98G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | August 05, 2024 | December 18, 2025 |
| In The Box | Handset, Adaptor, USB Type C Cable, TPU Case, Stickers, Sim Ejector Pin, Quick Start Guide, Warranty Card, Xclub Card | REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card |
Design
| Dimensions | 76.49 x 168.94 x 8.26 mm | 75.4 x 164 x 7.35 mm |
| Weight | 201 g | 178 g |
| Bezel less | No | |
| Colors | Obsidian Black, Titan Gold | Black, Glacier Blue, Mist Purple |
Display
| Type | Color IPS LCD Screen (1B Colors) | Color AMOLED Screen (68B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.78 inches, 1080 x 2406 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | |
| PPI | ~ 389 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 93.8% | ~ 89.7% |
| Glass Type | Scratch/drop-resistant glass, Mohs level 5 | |
| Brightness | 3200nits peak brightness, 800nits (typ) | |
| Features | 100% Wide Color Gamut, 500nits Brightness, Dynamic Bar | Contrast Ratio: 8,000,000:1, DCI- P3 wide Color Gamut, Sunlight Display, Reading Mode, 3840Hz PWM Dimming | 16,000-level Brightness Adjustment, TÜV Rheinland Low Blue Light, (Hardware Solution) Certified, TUV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Card Slot | Yes, upto 1 TB | Yes, (Hybrid Slot), upto 1 TB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28/n38/n40/n41/n77/n78 | 5G NSA:n1|n3|n40|n78 5G SA: n1|n3|n5|n8|n28|n40|n78 |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 802.11 (a/b/g/n/ac) | |
| Bluetooth | Yes, v5.2 | Yes, v5.3, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
| IR Blaster | Yes |
Extra
| GPS | Yes | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | G Sensor, E-Compass, Gyroscope (Software), Light Sensor, Proximity Sensor, Side Mounted Fingerprint Sensor | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | Yes |
| AI Features | Gemini Live, Circle to Search | |
| Water Resistance | Yes, 1.7 m | |
| IP Rating | IP52 | IP65 + IP66 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual Speakers |
Camera
| Rear Camera | 108 MP ƒ/1.8 (Wide Angle) AI Lens 2 MP | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| Auto Focus | Yes | Yes |
| Features | AI Lens, Camera Features: Film, Video, AI Cam, Portrait, Super Night, AR Shot, Short Video, Pro, Slow Motion, Dual Video, Panorama, Super Macro, Documents, Timelapse, Sky Shop | HDR, Panorama |
| Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, Quad LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Dual LED Flash | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v14 | Android v15 |
| Custom UI | XOS 14 | Xiaomi HyperOS 2 |
| Chipset | Mediatek Dimensity 6300 | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.4 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Mali-G57 MC2 | Adreno 710 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | MP3, AMR, FLAC, APE |
| Video | Yes | MP4, M4V, MKV, XVID |
| FM Radio | Yes | No |
| Speaker Type | Dual Stereo | |
| Audio Features | Dual Ultra-Linear Speakers, Misound tuning and Dolby Atmos | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh | 5520 mAh |
| Fast Charging | Yes, 18W Fast Charge | Yes, 45W Fast Charging |
| Reverse Charging | Yes | Yes, 18W |
| Talk Time | 16 hours | |
| Video Playback Time | 15 hours | |
| Music Playback Time | 90 hours |
Discuss
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