Xiaomi Redmi Note 15 vs Tecno Spark 40
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Overview
| Specs Score | 79 / 100 Better Specs | 69 / 100 |
| Display Resolution | 1080 x 2392 pixels Better Resolution | 720 x 1600 pixels |
| Screen To Body Ratio | ~ 89.1% Less Bezels | ~ 84.2% |
| RAM | 6 GB More RAM | 4 GB |
| CPU Clock Speed | 2.4 GHz Faster Clock Speed | 2 GHz |
| Weight | 178 g Lighter | |
| Battery | 5800 mAh Bigger Battery | 5200 mAh |
| Unique Features | 5G No No NFC Reverse Charging | No 3.5mm Audio Jack FM Radio No No |
General
| Model | Redmi Note 15 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | August 21, 2025 | July 02, 2025 |
Design
| Dimensions | 75.4 x 165 x 7.4 mm | 77 x 165.6 x 7.7 mm |
| Weight | 178 g | |
| Bezel less | No | |
| Colors | Midnight Black, Star White, Sky Blue | Ink Black, Titanium Grey, Veil White, Mirage Blue |
Display
| Type | Color AMOLED Screen (68B) | Color IPS Screen |
| Touch | Yes | Yes |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.67 inches, 720 x 1600 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | |
| PPI | ~ 388 PPI | ~ 263 PPI |
| Screen to Body Ratio | ~ 89.1% | ~ 84.2% |
| Glass Type | Xiaomi Dragon Crystal Glass | |
| Brightness | 3200 nits (peak) | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 6 GB | 4 GB |
| Storage | 128 GB | 128 GB |
| Card Slot | Yes, upto 1 TB | Yes |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.1, A2DP, LE | Yes |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | Yes | Yes |
Extra
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyro, Compass, Proximity | Software Gyroscope, Infrared Remote Control |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m |
| IP Rating | IP68 | IP64 |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 2 MP (Depth Sensor) | 50 MP (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | |
| Video Recording | 1080p | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 8 MP (Wide Angle) Punch Hole, Screen Flash | 8 MP (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v15 | Android v15 |
| Custom UI | MIUI15 | |
| Chipset | Qualcomm Snapdragon 6 Gen3 | Mediatek Helio G81 |
| CPU | 2.4 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz | |
| GPU | Adreno 710 | Mali-G52 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | Yes |
| Video | MP4, M4V, MKV, XVID | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5800 mAh | 5200 mAh |
| Fast Charging | Yes, 45W Fast Charging | Yes, 45W |
| Reverse Charging | Yes |
Discuss
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