realme 15T vs Tecno Spark 40

At a glance

Brand: realme; Tecno
Release date: September 2025, 9 months ago; July 2025, 11 months ago
AnTuTu: 445.000 Antutu v10 Overall performance better than 70% of devices; 250.000 Antutu v10 Overall performance better than 59% of devices

Size: 6.57"; 6.67"
Resolution: 1080 x 2372 px FHD+; 720 x 1600 px HD+
Type: AMOLED; LCD IPS
Density: 397 ppi High Density; 263 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, SGS Certified, Refresh rate 144 Hz, Touch sampling rate 240 Hz, Peak brightness - 4000 cd/m², Max brightness HBM - 1800 cd/m², Peak brightness - 6500 cd/m², 5000000:1 contrast ratio, HDR10+, DCI-P3, 10 Bits panel, Scratch resistant, Corning Gorilla Glass 7i, Capacitive, Multi-touch, Frameless; Hole-punch Notch, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Dimensity 6400; MediaTek Helio G91
CPU: 2× Cortex A76 a 2.5 GHz +6× Cortex A55 a 2.0 GHz; 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 12 nm
Frequency: 2.5 GHz; 2 GHz
GPU: Mali-G57 MC2; Arm Mali-G52 MC2 850MHz
RAM: 8 GB; 8 GB
RAM type: LPDDR4X RAM; —
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.8
Sensor: Omnivision OV50D40 Light Hunter 400; —
Pixel size: 0.61 µm; —
Sensor size: 1/2.88"; —
Flash: Dual LED; LED
Optical stabilization: Yes; No
Slow motion: Yes, 240 fps; Yes, 120 fps
Features: Night Mode 2.0, Noise reduction, 4K Video, Digital zoom, Optical zoom, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode; 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

Dimensions: 75.2 mm 158.4 mm 7.8 mm Print 3D Model; 77.0 mm 165.6 mm 7.7 mm Print 3D Model
Weight: 187 g; 188 g
Materials: Polycarbonate; Polycarbonate
Colors: Black Blue Silver; Black White Blue Gray
Water/dust resistance: IP68, IP69; IP64
Usable surface: 84 %; 84 %

Operating system: Android 16 RealmeUI 7.0 (Android 16); Android 15 Android 15
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.4 LELow energy consumption; Bluetooth 5.3
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax); 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, Wi-Fi MiMO; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1); GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500); —
4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B2 (1900), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)

Fingerprint: Yes, in screen; Yes, on the side
Accelerometer: Yes; Yes
Gyroscope: Yes; Yes
Light sensor: Yes; Yes
Cooling system: Yes; Yes
Audio: Noise cancellation microphone, Stereo Speakers, 2 microphones; DTS / DTS X, Stereo Speakers
Proximity: —; Yes