Google Pixel 7a vs Unihertz 8849 Tank 4
Google
Pixel 7a

Unihertz
8849 Tank 4
At a glance
- Brand
- Unihertz
- Release date
- May 2023, 3 years 1 months ago
- October 2025, 8 months ago
- AnTuTu
- 789.982 Antutu v10 Overall performance better than 80% of devices
- 711.190 Antutu v10 Overall performance better than 78% of devices
Display
- Size
- 6.1"
- 6.78"
- Resolution
- 1080 x 2400 px FHD+
- 1200 x 2650 px QHD
- Type
- Oled Samsung
- AMOLED
- Density
- 431 ppi Very high density
- 429 ppi Very high density
- Aspect ratio
- 20:9
- 21:9
- Features
- Hole-punch Notch, Refresh rate 90 Hz, Always-On Display, HDR10+, DCI-P3, Scratch resistant, Corning Gorilla Glass 3, 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
- Google Tensor G2
- MediaTek Dimensity 7300 Ultra
- CPU
- 2x 2.85 GHz Cortex X1, 2x 2.35 GHz Cortex A76, 4x 1.8 GHz Cortex A55
- 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 5 nm
- 4 nm
- Frequency
- 2.85 GHz
- 2.5 GHz
- GPU
- Mali-G710
- Mali-G615 MC2
- RAM
- 8 GB
- 12 GB
- RAM type
- RAM LPDDR5
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 64 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.89
- ƒ/ 1.88
- Sensor
- Sony IMX787
- Samsung GN1
- Pixel size
- 0.70 µm
- 1.00 µm
- Sensor size
- 1/1.72"
- 1/1.31"
- Flash
- Dual LED
- Dual LED
- Optical stabilization
- Yes
- No
- Slow motion
- Yes, 240 fps
- No, 30 fps
- Features
- 4K Video, Digital zoom, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
- 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
Front camera
- Resolution
- 13 Mpx
- 32 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 2.25
- Pixel size
- 1.12 µm
- 0.80 µm
- Sensor
- —
- Samsung S5KGD1
Battery
- Capacity
- 4385 mAh
- 11600 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 20.0W
- Yes , 66.0W
- Wireless charging
- No charger in box, Wireless charge 18W, Reverse wireless charge
- —
- Features
- Wireless charging, Non-removable
- Non-removable
- Charge cycles
- —
- 1000 cycles
- Runtime
- —
- ~ 105h
Storage
- Capacity
- 128 GB
- 512 GB
- Type
- UFS Storage 3.1
- UFS Storage 4.0
- SD slot
- No
- Yes , Independent SD slot
Body
- Dimensions
- 72.9 mm 152.4 mm 9.0 mm Print 3D Model
- 85.4 mm 174.3 mm 23.9 mm Print 3D Model
- Weight
- 193 g
- 538 g
- Materials
- Aluminium alloy
- Polycarbonate
- Colors
- White Gray Orange Cyan
- Black
- Water/dust resistance
- IP67
- 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 15 Android 15
- Android 15 Android 15
- Updates
- OS updates: 5 years, Security updates: 5 years
- —
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + eSIM)
- 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), APT-x, LDAC, SBC, AAC
- 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, WiFi 6 (802.11ax) , WiFi 6E
- 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, QZSS, Galileo, GLONASS (L1)
- GPS, A-GPS, GLONASS, Beidou, Galileo
Networks
- 5G
- n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n28b (700), n28a (700), n30 (2300), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n75 (1500), n76 (1500), n77 (3700), n78 (3500), n79 (4700)
- 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)
- 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), B21 (1500), B25 (1900+), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B66 (1700/2100)
- 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), B6 (800), B8 (900), B19 (800)
- 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)
Sensors & security
- Fingerprint
- Yes, in screen
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Barometer
- Yes
- Yes
- Cooling system
- Yes
- No
- Audio
- Noise cancellation microphone, Stereo Speakers
- Noise cancellation microphone, 2 microphones
- Compass
- —
- Yes














