hmd Aura 2 vs Unihertz 8849 Tank 4

hmd Aura 2
hmd
Aura 2
Unihertz 8849 Tank 4
Unihertz
8849 Tank 4

At a glance

Brand
HMD
Unihertz
Release date
February 2025, 1 years 3 months ago
October 2025, 7 months ago
AnTuTu
154.110 Antutu v10 Overall performance better than 54% of devices
711.190 Antutu v10 Overall performance better than 78% of devices

Display

Size
6.52"
6.78"
Resolution
576 x 1280 px LowRes
1200 x 2650 px QHD
Type
LCD IPS
AMOLED
Density
215 ppi Medium Density
429 ppi Very high density
Aspect ratio
20:9
21:9
Features
Water Drop Notch, Brightnes 460 cd/m² (typ), 72% NTSC, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless
Hole-punch Notch, Youji Glass - 1.1 mm, Refresh rate 120 Hz, Scratch resistant, Capacitive, Multi-touch, In-cell

Performance

Chipset
Spreadtrum Unisoc SC9863A
MediaTek Dimensity 7300 Ultra
CPU
4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz
4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
CPU type
Octa-Core
Octa-Core
Process
28 nm
4 nm
Frequency
1.6 GHz
2.5 GHz
GPU
PowerVR GE8322
Mali-G615 MC2
RAM
4 GB
12 GB
RAM type
LPDDR4X RAM
RAM LPDDR5X
64-bit
Yes
Yes

Rear camera

Resolution
13 Mpx
50 Mpx
Aperture
Unknow
ƒ/ 1.88
Flash
LED
Dual LED
Optical stabilization
No
No
Slow motion
No, 30 fps
No, 30 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
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"

Front camera

Resolution
5 Mpx
32 Mpx
Aperture
ƒ/ --
ƒ/ 2.25
Sensor
Samsung S5KGD1
Pixel size
0.80 µm

Battery

Capacity
5000 mAh
11600 mAh
Type
Li-Ion
Li-Polymer
Fast charge
Yes , 10.0W
Yes , 66.0W
Features
Non-removable
Non-removable
Charge cycles
1000 cycles
Runtime
~ 105h

Storage

Capacity
256 GB
512 GB
SD slot
Yes , Slot for SD or second SIM card
Yes , Independent SD slot
Type
UFS Storage 4.0

Body

Dimensions
76.9 mm 166.4 mm 8.9 mm Print 3D Model
85.4 mm 174.3 mm 23.9 mm Print 3D Model
Weight
185 g
538 g
Materials
Plastic
Polycarbonate
Colors
Black Green
Black
Water/dust resistance
IP54
IP68, MIL-STD-810H
Usable surface
80 %
75 %
Drop resistance
Class A B C D E 90 drops without defects
Repairability
Class A B C D E

Software

Operating system
Android 14 Upside-down cake Android 14
Android 15 Android 15
Google services
With Google Mobile Services
With Google Mobile Services

Connectivity

SIM
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth
Bluetooth 5.2 LELow energy consumption
Bluetooth 5.3 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), HS
Wi-Fi
802.11b , 802.11g , 802.11n
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 features
Charging, OTG
Charging, OTG
Navigation
GPS, A-GPS, Galileo
GPS, A-GPS, GLONASS, Beidou, Galileo
USB
USB Type-C

Networks

4G LTE
B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), 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), B5 (850), 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)
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)

Sensors & security

Fingerprint
Yes, on the side
Yes, on the side
Accelerometer
Yes
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Cooling system
No
No
Gyroscope
Yes
Barometer
Yes
Compass
Yes
Audio
Noise cancellation microphone, 2 microphones

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Compared with Unihertz 8849 Tank 4

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