Poco C81x vs Vivo S50

At a glance

Brand: POCO; vivo
Release date: April 2026, 2 months ago; December 2025, 6 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 1.754.245 Antutu v11 Overall performance better than 93% of devices

Size: 6.88"; 6.59"
Resolution: 720 x 1640 px HD+; 1260 x 2750 px QHD
Type: LCD IPS; AMOLED
Density: 260 ppi Medium Density; 459 ppi Very high density
Aspect ratio: 21:9; 20:9
Features: Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 450 cd/m² (typ), 1500:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless, In-cell; 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: Unisoc Tiger T615 (T7250); Qualcomm Snapdragon 8s Gen3
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 1x3 Ghz Cortex X4, 4x2,8 Ghz Cortex A720, 3x2,0 Ghz Cortex A520
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 1.8 GHz; 3 GHz
GPU: Mali-G57 MP1; Adreno 735
RAM: 3 GB; 12 GB
RAM type: LPDDR4X RAM; RAM LPDDR5X
64-bit: Yes; Yes

Resolution: 13 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, 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: 77.8 mm 171.8 mm 8.3 mm Print 3D Model; 74.3 mm 157.5 mm 7.6 mm Print 3D Model
Weight: 193 g; 197 g
Materials: Plastic; Glass
Colors: Black Cyan; Black White Blue
Water/dust resistance: Splash resistant; IP69
Usable surface: 84 %; 85 %

Operating system: Android 15 HyperOS 2.X (Android 15); Android 16 OriginOS 6 (Android 16)
Updates: OS updates: 4 years, Security updates: 6 years; OS updates: 3 years, Security updates: 4 years
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 5.2; Bluetooth 5.4
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), APT-x, LDAC, SBC, AAC
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac; 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, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo

4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500); 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)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: 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)