Unihertz 8849 Tank X vs Vivo T4R 5G

At a glance

Brand: Unihertz; vivo
Release date: February 2026, 3 months ago; January 2026, 4 months ago
AnTuTu: 885.456 Antutu v10 Overall performance better than 83% of devices; 823.249 Antutu v10 Overall performance better than 81% of devices

Size: 6.78"; 6.77"
Resolution: 1080 x 2460 px FHD+; 1080 x 2392 px FHD+
Type: LCD IPS; AMOLED
Density: 396 ppi High Density; 388 ppi 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, 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: MediaTek Dimensity 8200 (MT6896); MediaTek Dimensity 7400
CPU: 1x Cortex A78 3.1 GHz + 3x Cortex A78 3.0 GHz + 4x Cortex A55 2.0 GHz; 4x2.6 GHz Cortex A78 + 4x 2.0 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 4 nm
Frequency: 3.1 GHz; 2.6 GHz
GPU: Arm Mali-G610 MC6; Mali-G615 MP2
RAM: 16 GB; 8 GB
RAM type: RAM LPDDR5; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.88; ƒ/ 1.79
Sensor: Sony IMX766; Sony IMX882
Pixel size: 1.00 µm; 1.00 µm
Sensor size: 1/1.56"; 1/1.95"
Flash: Dual LED; LED
Optical stabilization: No; Yes
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; 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

Dimensions: 86.0 mm 179.0 mm 25.0 mm Print 3D Model; 76.7 mm 163.3 mm 7.4 mm Print 3D Model
Weight: 750 g; 183 g
Materials: Polycarbonate; Polycarbonate
Colors: Black; White Blue
Water/dust resistance: IP68, MIL-STD-810H; IP68, IP69
Usable surface: 71 %; 88 %

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 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS; 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, 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; 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)

5G: n1 (2100), n2 (1900 PCS), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700); n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), 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), B5 (850), B8 (900), B19 (800), B28b (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500)
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), B8 (900)
2G: CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)