Vivo S17 vs Vivo Y21d

At a glance

Brand: vivo; vivo
Release date: May 2023, 3 years ago; November 2025, 6 months ago
Launch price: CN¥ 2,499.00 ($ 365.49); —
AnTuTu: 632.216 Antutu v10 Overall performance better than 77% of devices; 222.000 Antutu v10 Overall performance better than 56% of devices

Size: 6.78"; 6.68"
Resolution: 1260 x 2800 px; 720 x 1608 px HD+
Type: AMOLED BOE Q9; LCD IPS
Density: 453 ppi Very high density; 264 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: 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; Hole-punch Notch, Refresh rate 90 Hz, Peak brightness - 1000 cd/m², Max brightness HBM - 1000 cd/m², TÜV Rheinland Eye Comfort Certification, DCI-P3, 83% NTSC, LED Notifications, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 778G+ (SM7325-AE); Unisoc Tiger T612 / T7225
CPU: 1×Cortex A78 2.5GHz + 3×Cortex A78 2.4GHz+ 4xCortex A55 1.8 GHz; 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.8Ghz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 12 nm
Frequency: 2.5 GHz; 1.8 GHz
GPU: Adreno 642L 608MHz; Mali-G57 MP1
RAM: 8 GB; 4 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.9; ƒ/ 1.8
Sensor: Samsung GN5; —
Pixel size: 1.00 µm; —
Sensor size: 1/1.57"; —
Flash: Quad LED; Dual LED
Optical stabilization: Yes; No
Slow motion: No, 30 fps; Yes, 120 fps
Features: 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; Digital zoom, Dual camera, 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: 74.4 mm 164.2 mm 7.5 mm Print 3D Model; 77.0 mm 166.1 mm 8.4 mm Print 3D Model
Weight: 186 g; 209 g
Materials: Aluminium alloy; Plastic , Splash resistant design
Colors: Black Blue Pink; Green Coral
Usable surface: 90 %; 83 %
Water/dust resistance: —; IP68, IP69

Operating system: Android 13 Tiramisu OriginOS 3 (Android 13); Android 15 Funtouch OS 15 (Android 15)
Google services: Without 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 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy)
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: GPS, A-GPS, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500); —
4G LTE: 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); 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), B6 (800), B8 (900), B19 (800); B1 (2100), B5 (850), B8 (900)
2G: CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)