Tecno Spark 40 Pro vs Xiaomi Redmi 15C 4G
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Overview
| Specs Score | 79 / 100 Better Specs  | 73 / 100 | 
| Display Resolution | 1220 x 2712 pixels Better Resolution  | 720 x 1600 pixels | 
| Screen To Body Ratio | ~ 84.3% Less Bezels  | |
| RAM | 8 GB More RAM  | 4 GB | 
| CPU Clock Speed | 2.2 GHz Faster Clock Speed  | 2 GHz | 
| Front Camera | 13 MP Better Front Camera Resolution  | 8 MP | 
| Weight | 205 g Lighter  | |
| Thickness | 8 mm Slimmer  | |
| Battery | 5200 mAh | 6000 mAh Bigger Battery  | 
| Unique Features |  IR Blaster  |  No  | 
General
| Model | 25078RA3EA, 25078RA3EL | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano+Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | July 02, 2025 | August 01, 2025 | 
Design
| Dimensions | 79.5 x 171.6 x 8 mm | |
| Weight | 205 g | |
| Bezel less | No | |
| Colors | Ink Black, Moon Titanium, Lake Blue, Bamboo Green | Moonlight Blue, Mint Green, Midnight Gray, Twilight Orange | 
Display
| Type | Color AMOLED Screen (1B Colors) | Color IPS Screen (16M Colors) | 
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate | 
| Size | 6.78 inches, 1220 x 2712 pixels, 144 Hz | 6.9 inches, 720 x 1600 pixels, 120 Hz | 
| Aspect Ratio | 20.6:9 | |
| PPI | ~ 439 PPI | ~ 254 PPI | 
| Screen to Body Ratio | ~ 84.3% | |
| Glass Type | Corning Gorilla Glass 3 | |
| Brightness | Brightness: 660 nits (typ), 810 nits HBM | |
| Notch | Yes, Punch Hole | Yes, Punch Hole | 
Memory
| RAM | 8 GB | 4 GB | 
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB | 
| Storage Type | eMMC 5.1 | |
| Card Slot | Yes | Yes, (Hybrid Slot) | 
Connectivity
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| VoLTE | Yes, Dual Stand-By | Yes | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Bluetooth | Yes, v5.3 | Yes, v5.4, A2DP, LE | 
| USB | Yes, USB-C | 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 | No | 
Extra
| GPS | Yes | Yes, with A-GPS, Glonass, Beidou | 
| Fingerprint Sensor | Yes, In Display | Yes, Side | 
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Compass | 
| 3.5mm Headphone Jack | Yes | Yes | 
| NFC | Yes | Yes | 
| Water Resistance | Yes | Yes | 
| IP Rating | IP64 | IP64 | 
| Dust Resistant | Yes | Yes | 
Camera
| Rear Camera | 50 MP (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) ƒ/3  | 
| Auto Focus | Yes | Yes | 
| Features | HDR | HDR | 
| Video Recording | 1440p @ 30 fps QHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Flash | Yes, Dual LED | Yes, LED | 
| Front Camera | 13 MP (Wide Angle) Punch Hole  | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash  | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
Technical
| OS | Android v15 | Android v15 | 
| Custom UI | HyperOS | |
| Chipset | Mediatek Helio G100 | Mediatek Helio G81 Ultra | 
| CPU | 2.2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor | 
| GPU | Mali-G57 MC2 | Mali-G52 MC2 | 
| Java | No | No | 
| Browser | Yes | Yes, supports HTML5 | 
Multimedia
| Yes | Yes | |
| Music | Yes | Yes | 
| Video | Yes | Yes | 
| FM Radio | Yes | Yes | 
| Document Reader | Yes | Yes | 
Battery
| Type | Removable Battery | Non-Removable Battery | 
| Size | 5200 mAh | 6000 mAh, Li-Po Battery | 
| Fast Charging | Yes, 45W | Yes, 33W | 
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