Tecno Spark Go 2025 vs Unihertz 8849 Tank X

At a glance

Brand: Tecno; Unihertz
Release date: August 2025, 10 months ago; February 2026, 4 months ago
AnTuTu: 445.000 Antutu v10 Overall performance better than 70% of devices; 885.456 Antutu v10 Overall performance better than 83% of devices

Size: 6.74"; 6.78"
Resolution: 720 x 1600 px HD+; 1080 x 2460 px FHD+
Type: LCD IPS; LCD IPS
Density: 395 ppi High Density; 396 ppi High Density
Aspect ratio: 20:9; 21:9
Features: Hole-punch Notch, Refresh rate 120 Hz, HDR10, Scratch resistant, 2.5D curved glass screen, 3D curved glass screen, AGC glass, Capacitive, Multi-touch, Frameless; Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Peak brightness - 750 cd/m², Scratch resistant, Capacitive, Multi-touch, In-cell

Chipset: MediaTek Dimensity 6400; MediaTek Dimensity 8200 (MT6896)
CPU: 2× Cortex A76 a 2.5 GHz +6× Cortex A55 a 2.0 GHz; 1x Cortex A78 3.1 GHz + 3x Cortex A78 3.0 GHz + 4x Cortex A55 2.0 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 4 nm
Frequency: 2.5 GHz; 3.1 GHz
GPU: Mali-G57 MC2; Arm Mali-G610 MC6
RAM: 4 GB; 16 GB
64-bit: Yes; Yes
RAM type: —; RAM LPDDR5

Resolution: 50 Mpx; 50 Mpx
Aperture: Unknow; ƒ/ 1.88
Sensor: Sony Exmor; Sony IMX766
Flash: Dual LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; No, 30 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, 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
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.56"

Dimensions: 77.7 mm 167.7 mm 8.0 mm Print 3D Model; 86.0 mm 179.0 mm 25.0 mm Print 3D Model
Weight: 194 g; 750 g
Materials: Plastic; Polycarbonate
Colors: Black Blue Green; Black
Water/dust resistance: IP64; IP68, MIL-STD-810H
Usable surface: 84 %; 71 %

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 5.3 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy); 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 , 802.11ac; 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, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500); n1 (2100), n2 (1900 PCS), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700)
4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), 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), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)