Poco C81x vs Vivo iQoo Z11x 5G

At a glance

Brand: POCO; vivo
Release date: April 2026, 2 months ago; March 2026, 3 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 823.249 Antutu v10 Overall performance better than 81% of devices

Size: 6.88"; 6.77"
Resolution: 720 x 1640 px HD+; 1080 x 2392 px FHD+
Type: LCD IPS; AMOLED
Density: 260 ppi Medium Density; 388 ppi 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, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Peak brightness - 1800 cd/m², Max brightness HBM - 1300 cd/m², HDR10+, DCI-P3, 10 Bits panel, Scratch resistant, Dual Edge display, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T615 (T7250); MediaTek Dimensity 7400
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 4x2.6 GHz Cortex A78 + 4x 2.0 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 1.8 GHz; 2.6 GHz
GPU: Mali-G57 MP1; Mali-G615 MP2
RAM: 3 GB; 6 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 13 Mpx; 50 Mpx
Aperture: ƒ/ 2.0; ƒ/ 1.79
Flash: LED; LED
Optical stabilization: No; Yes
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; Night Mode 2.0, Noise reduction, 4K Video, Digital zoom, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, 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 IMX882
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.95"

Dimensions: 77.8 mm 171.8 mm 8.3 mm Print 3D Model; 78.4 mm 166.4 mm 8.4 mm Print 3D Model
Weight: 193 g; 219 g
Materials: Plastic; Polycarbonate
Colors: Black Cyan; Black Green
Water/dust resistance: Splash resistant; IP68, IP69
Usable surface: 84 %; 88 %

Operating system: Android 15 HyperOS 2.X (Android 15); Android 16 OriginOS 6 (Android 16)
Updates: OS updates: 4 years, Security updates: 6 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; Bluetooth 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), 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; 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; A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1)

4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G: B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500)