Ulefone Note 21 vs Vivo S17

At a glance

Brand: Ulefone; vivo
Release date: January 2025, 1 years 5 months ago; May 2023, 3 years 1 months ago
AnTuTu: 251.000 Antutu v10 Overall performance better than 59% of devices; 632.216 Antutu v10 Overall performance better than 77% of devices
Launch price: —; CN¥ 2,499.00 ($ 365.49)

Size: 6.56"; 6.78"
Resolution: 720 x 1612 px HD+; 1260 x 2800 px
Type: LCD IPS; AMOLED BOE Q9
Density: 269 ppi Medium Density; 453 ppi Very high density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 360 Hz, Peak brightness - 1300 cd/m², 8000000:1 contrast ratio, 105% NTSC, Scratch resistant, 3D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T606; Qualcomm Snapdragon 778G+ (SM7325-AE)
CPU: 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55; 1×Cortex A78 2.5GHz + 3×Cortex A78 2.4GHz+ 4xCortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 6 nm
Frequency: 1.6 GHz; 2.5 GHz
GPU: ARM Mali-G57; Adreno 642L 608MHz
RAM: 4 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 13 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.9
Sensor: Samsung S5K3L6; Samsung GN5
Pixel size: 1.12 µm; 1.00 µm
Sensor size: 1/3.1"; 1/1.57"
Flash: LED; Quad LED
Optical stabilization: No; Yes
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash

Dimensions: 75.2 mm 163.2 mm 9.2 mm Print 3D Model; 74.4 mm 164.2 mm 7.5 mm Print 3D Model
Weight: 196 g; 186 g
Materials: Plastic; Aluminium alloy
Colors: Black Violet; Black Blue Pink
Drop resistance: Class A B C D E 113 drops without defects; —
Repairability: Class A B C D E; —
Usable surface: 84 %; 90 %

Operating system: Android 14 Upside-down cake Android 14; Android 13 Tiramisu OriginOS 3 (Android 13)
Google services: With Google Mobile Services; Without Google Mobile services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0 LELow energy consumption; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, 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, WiFi 6 (802.11ax)
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

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B8 (900), B19 (800), B28a (700), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500)