Ulefone Note 15 vs Vivo S50

At a glance

Brand: Ulefone; vivo
Release date: June 2023, 3 years ago; December 2025, 6 months ago
AnTuTu: 41.300 Antutu v8 Overall performance better than 49% of devices; 1.754.245 Antutu v11 Overall performance better than 93% of devices

Size: 6.22"; 6.59"
Resolution: 720 x 1520 px HD+; 1260 x 2750 px QHD
Type: LCD IPS; AMOLED
Density: 270 ppi Medium Density; 459 ppi Very high density
Aspect ratio: 19:9; 20:9
Features: Water Drop Notch, 2.5D curved glass screen, Capacitive, Multi-touch; Hole-punch Notch, 3840 Hz PWM, Refresh rate 144 Hz, Touch sampling rate 300 Hz, Peak brightness - 4500 cd/m², 8000000:1 contrast ratio, HDR10+, DCI-P3, 105% NTSC, 10 Bits panel, Scratch resistant, 3D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: MediaTek MT6580; Qualcomm Snapdragon 8s Gen3
CPU: 4x Cortex A7 1.3 GHz; 1x3 Ghz Cortex X4, 4x2,8 Ghz Cortex A720, 3x2,0 Ghz Cortex A520
CPU type: Quad-Core; Octa-Core
Process: 28 nm; 4 nm
Frequency: 1.3 GHz; 3 GHz
GPU: ARM Mali-400 MP2; Adreno 735
RAM: 2 GB; 12 GB
64-bit: No; Yes
RAM type: —; RAM LPDDR5X

Resolution: 8 Mpx; 50 Mpx
Aperture: ƒ/ 2.0; ƒ/ 1.88
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 240 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; 4K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, 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
Sensor: —; Sony LYT-700C
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.56"

Dimensions: 75.3 mm 157.2 mm 8.9 mm Print 3D Model; 74.3 mm 157.5 mm 7.6 mm Print 3D Model
Weight: 179 g; 197 g
Materials: Plastic; Glass
Colors: Black Blue Purple; Black White Blue
Usable surface: 81 %; 85 %
Water/dust resistance: —; IP69

Operating system: Android 12 Snow Cone Android 12 Go edition; Android 16 OriginOS 6 (Android 16)
Google services: With Google Mobile Services; Without Google Mobile services
Updates: —; OS updates: 3 years, Security updates: 4 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0; Bluetooth 5.4
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), APT-x, LDAC, SBC, AAC
Wi-Fi: 802.11b , 802.11g , 802.11n; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Wi-Fi features: Wi-Fi Hotspot; 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; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo

3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n5 (850), n7 (2600), n8 (900), n18 (850), n26 (850), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500)
4G LTE: —; B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B18 (800), B19 (800), B26 (850), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B43 (TDD 3700), B48 (TDD 3600), B66 (1700/2100)