Unihertz 8849 Tank X vs Vivo S50

At a glance

Brand: Unihertz; vivo
Release date: February 2026, 4 months ago; December 2025, 6 months ago
AnTuTu: 885.456 Antutu v10 Overall performance better than 83% of devices; 1.754.245 Antutu v11 Overall performance better than 93% of devices

Size: 6.78"; 6.59"
Resolution: 1080 x 2460 px FHD+; 1260 x 2750 px QHD
Type: LCD IPS; AMOLED
Density: 396 ppi High Density; 459 ppi Very high density
Aspect ratio: 21:9; 20:9
Features: Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Peak brightness - 750 cd/m², Scratch resistant, Capacitive, Multi-touch, 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: MediaTek Dimensity 8200 (MT6896); Qualcomm Snapdragon 8s Gen3
CPU: 1x Cortex A78 3.1 GHz + 3x Cortex A78 3.0 GHz + 4x Cortex A55 2.0 GHz; 1x3 Ghz Cortex X4, 4x2,8 Ghz Cortex A720, 3x2,0 Ghz Cortex A520
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 4 nm
Frequency: 3.1 GHz; 3 GHz
GPU: Arm Mali-G610 MC6; Adreno 735
RAM: 16 GB; 12 GB
RAM type: RAM LPDDR5; RAM LPDDR5X
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.88; ƒ/ 1.88
Sensor: Sony IMX766; Sony LYT-700C
Pixel size: 1.00 µm; 1.00 µm
Sensor size: 1/1.56"; 1/1.56"
Flash: Dual LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 240 fps
Features: Digital zoom, Triple camera, Digital image stabilization, 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, Night Vision; 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

Dimensions: 86.0 mm 179.0 mm 25.0 mm Print 3D Model; 74.3 mm 157.5 mm 7.6 mm Print 3D Model
Weight: 750 g; 197 g
Materials: Polycarbonate; Glass
Colors: Black; Black White Blue
Water/dust resistance: IP68, MIL-STD-810H; IP69
Usable surface: 71 %; 85 %

Operating system: Android 15 Android 15; 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 5.3 LELow energy consumption; Bluetooth 5.4
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS; A2DP (Advanced Audio Distribution Profile), APT-x, LDAC, SBC, AAC
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, WiFi 6 (802.11ax)
Wi-Fi features: Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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

5G: n1 (2100), n2 (1900 PCS), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700); 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), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); 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), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)