Tecno Spark 40 vs Xiaomi Redmi Note 15 4G

At a glance

Brand: Tecno; Xiaomi
Release date: July 2025, 11 months ago; December 2025, 6 months ago
AnTuTu: 250.000 Antutu v10 Overall performance better than 59% of devices; 550.000 Antutu v10 Overall performance better than 74% of devices
Launch price: —; € 199.99 ($ 234.14)

Size: 6.67"; 6.77"
Resolution: 720 x 1600 px HD+; 1080 x 2392 px FHD+
Type: LCD IPS; AMOLED
Density: 263 ppi Medium Density; 388 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, Frameless; Hole-punch Notch, SGS Certified, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, 3840 Hz PWM, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Peak brightness - 3200 cd/m², 5000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, Scratch resistant, Corning Gorilla Glass, Dragontrail Pro glass, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Helio G91; MediaTek Helio G100
CPU: 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz; 2x2.2GHz Cortex A76 + 6x2GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 6 nm
Frequency: 2 GHz; 2.2 GHz
GPU: Arm Mali-G52 MC2 850MHz; Arm Mali-G57 MC2
RAM: 8 GB; 6 GB
64-bit: Yes; Yes
RAM type: —; LPDDR4X RAM

Resolution: 50 Mpx; 108 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.7
Flash: LED; LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; Yes, 120 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash; Digital zoom, Dual camera, Digital image stabilization, Ultra stable video, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Front Flash, Night Mode
Sensor: —; Samsung

Capacity: 128 GB; 128 GB
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card
Type: —; UFS Storage 2.2

Dimensions: 77.0 mm 165.6 mm 7.7 mm Print 3D Model; 75.4 mm 164.0 mm 7.9 mm Print 3D Model
Weight: 188 g; 184 g
Materials: Polycarbonate; Plastic
Colors: Black White Blue Gray; Black Blue Purple Green
Water/dust resistance: IP64; IP64 , Splash resistant
Usable surface: 84 %; 89 %
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 15 Android 15; Android 15 HyperOS 2.X (Android 15)
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 5 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.3; Bluetooth 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), LDAC, AAC
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), BeiDou (B1)

4G LTE: B1 (2100), B2 (1900), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)

Fingerprint: Yes, on the side; Yes, in screen
Accelerometer: Yes; Yes
Gyroscope: Yes; —
Proximity: Yes; —
Light sensor: Yes; Yes
Cooling system: Yes; Yes
Audio: DTS / DTS X, Stereo Speakers; Dolby Atmos, Hi-Res Audio, Stereo Speakers