Infinix Smart 9 vs Xiaomi Redmi Note 15 4G

At a glance

Brand: Infinix; Xiaomi
Release date: September 2024, 1 years 9 months ago; December 2025, 6 months ago
AnTuTu: 262.000 Antutu v10 Overall performance better than 60% of devices; 550.000 Antutu v10 Overall performance better than 74% of devices
Launch price: —; € 199.99 ($ 234.14)

Size: 6.7"; 6.77"
Resolution: 720 x 1600 px HD+; 1080 x 2392 px FHD+
Type: LCD; AMOLED
Density: 395 ppi High Density; 388 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 180 Hz, Touch sampling rate 360 Hz, Brightnes 500 cd/m² (typ), Peak brightness - 900 cd/m², TÜV Rheinland Eye Comfort Certification, DCI-P3, 10 Bits panel, 2.5D curved glass screen, 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 G81 Ultra; 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: Mali-G52 MC2; Arm Mali-G57 MC2
RAM: 4 GB; 6 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 13 Mpx; 108 Mpx
Aperture: ƒ/ 1.9; ƒ/ 1.7
Flash: Dual LED; LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; Yes, 120 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; 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

Dimensions: 77.1 mm 165.7 mm 8.1 mm Print 3D Model; 75.4 mm 164.0 mm 7.9 mm Print 3D Model
Weight: 188 g; 184 g
Materials: Glass , Faux leather; Plastic
Colors: Black Gold Gray Green; Black Blue Purple Green
Water/dust resistance: IP54; 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 14 Upside-down cake Android 14; Android 15 HyperOS 2.X (Android 15)
Updates: OS updates: 2 years, Security updates: 3 years; OS updates: 5 years
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 5.2 LELow energy consumption; Bluetooth 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy); 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; GPS, A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), BeiDou (B1)

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); 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), B2 (1900), B4 (1700/2100 AWS A-F), 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
Proximity: Yes; —
Light sensor: Yes; Yes
Cooling system: No; Yes
Audio: DTS / DTS X, Stereo Speakers; Dolby Atmos, Hi-Res Audio, Stereo Speakers