UmiDigi Bison X20 vs Unihertz 8849 Tank 4

At a glance

Brand: UMiDIGI; Unihertz
Release date: April 2024, 2 years 2 months ago; October 2025, 8 months ago
AnTuTu: 142.000 Antutu v9 Overall performance better than 53% of devices; 711.190 Antutu v10 Overall performance better than 78% of devices

Size: 6.53"; 6.78"
Resolution: 720 x 1600 px HD+; 1200 x 2650 px QHD
Type: LCD IPS; AMOLED
Density: 269 ppi Medium Density; 429 ppi Very high density
Aspect ratio: 20:9; 21:9
Features: Water Drop Notch, Scratch resistant, Capacitive, Multi-touch; Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell

Chipset: MediaTek Helio P60 (MT6771); MediaTek Dimensity 7300 Ultra
CPU: 4x Cortex A73 2.0 GHz + 4x Cortex A53 2.0 GHz; 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 2 GHz; 2.5 GHz
GPU: ARM Mali-G72 MP3 700MHz; Mali-G615 MC2
RAM: 6 GB; 12 GB
RAM type: LPDDR3 RAM; RAM LPDDR5X
64-bit: Yes; Yes

Resolution: 20 Mpx; 50 Mpx
Aperture: ƒ/ 2.2; ƒ/ 1.88
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Dual 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; 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
Sensor: —; Samsung GN1
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.31"

Dimensions: 83.8 mm 172.1 mm 12.9 mm Print 3D Model; 85.4 mm 174.3 mm 23.9 mm Print 3D Model
Weight: 278 g; 538 g
Materials: Rubber , Rugged Smartphone, Plastic; Polycarbonate
Colors: Gray; Black
Water/dust resistance: IP68, MIL-STD-810G , IP69; IP68, MIL-STD-810H
Usable surface: 71 %; 75 %
Drop resistance: —; Class A B C D E 90 drops without defects
Repairability: —; Class A B C D E

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0; Bluetooth 5.3 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500); 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)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B2 (1900), 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); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500)