Infinix Note 40X 5G (12GB RAM +256GB) has better RAM than Xiaomi Redmi Note 15 5G (256GB). In terms of display resolution, Infinix Note 40X 5G (12GB RAM +256GB) has better resolution of 2406 x 1080 than Xiaomi Redmi Note 15 5G (256GB) which has resolution of 2392 x 1080. Both have the same amount of internal memory.
| Name | Infinix Note 40X 5G (12GB RAM +256GB) | Xiaomi Redmi Note 15 5G (256GB) |
| RAM | 12 GB | 8 GB |
|---|---|---|
| Display | 6.78 in | 6.77 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 5000 mAh | 5520 mAh |
| Camera | 108 MP + 2 MP Triple | 108 MP + 8 MP Dual |
| Price | Rs. 15999 | Rs. 24999 |
The launch Date of the first phone is August 05, 2024. The cost of Infinix Note 40X 5G (12GB RAM +256GB) is Rs. 15999. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G (256GB) is Rs. 24999.
Infinix Note 40X 5G (12GB RAM +256GB) has larger screen size of 6.78 inches in comparison to Xiaomi Redmi Note 15 5G (256GB)'s 6.77 inch screen. Infinix Note 40X 5G (12GB RAM +256GB) has IPS LCD Screen type where as Xiaomi Redmi Note 15 5G (256GB) has AMOLED Screen type. Infinix's phone has display density of 389 PPI & Xiaomi's phone has only 388 PPI display density. In terms of screen to body ratio, Infinix's phone has better screen to body ratio of ~ 93.8% than Xiaomi's phone ~ 89.7%.
Infinix Note 40X 5G (12GB RAM +256GB)'s larger 12 GB RAM is better for playing games and all with respect to Xiaomi Redmi Note 15 5G (256GB)'s lower 8 GB RAM. and both have same Internal Memory of 256 GB.
They both have the same 108 MP + 2 MP Triple Rear Camera. Xiaomi Redmi Note 15 5G (256GB) will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Infinix Note 40X 5G (12GB RAM +256GB)'s 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 15 version.
| Name | Infinix Note 40X 5G (12GB RAM +256GB) | Xiaomi Redmi Note 15 5G (256GB) |
| General | ||
| Country of Origin | India | 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 | 12 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 12 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 | |