Oppo Reno15 FS vs Unihertz 8849 Tank 4
Oppo
Reno15 FS
Unihertz
8849 Tank 4
At a glance
- Brand
- Oppo
- Unihertz
- Release date
- January 2026, 5 months ago
- October 2025, 8 months ago
- AnTuTu
- 575.000 Antutu v10 Overall performance better than 75% of devices
- 711.190 Antutu v10 Overall performance better than 78% of devices
Display
- Size
- 6.57"
- 6.78"
- Resolution
- 1080 x 2370 px FHD+
- 1200 x 2650 px QHD
- Type
- AMOLED
- AMOLED
- Density
- 396 ppi High Density
- 429 ppi Very high density
- Aspect ratio
- 20:9
- 21:9
- Features
- Hole-punch Notch, SGS Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 600 cd/m² (typ), Max brightness HBM - 1400 cd/m², HDR10, DCI-P3, sRGB standard, 10 Bits panel, Dragontrail glass, 2.5D curved glass screen, AGC glass, Corning Gorilla Glass Victus+, 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
- Qualcomm Snapdragon 6 Gen1
- MediaTek Dimensity 7300 Ultra
- CPU
- 4x2.2GHz Cortex A78 + 4x1.80GHz Cortex A55
- 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 4 nm
- 4 nm
- Frequency
- 2.2 GHz
- 2.5 GHz
- GPU
- Adreno 710
- Mali-G615 MC2
- RAM
- 8 GB
- 12 GB
- RAM type
- LPDDR4X RAM
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.88
- Sensor
- Sony IMX882
- Samsung GN1
- Pixel size
- 0.80 µm
- 1.00 µm
- Sensor size
- 1/1.95"
- 1/1.31"
- Flash
- LED
- Dual LED
- Optical stabilization
- Yes
- No
- Slow motion
- Yes, 120 fps
- No, 30 fps
- Features
- 4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Contrast detection autofocus (CDAF), Continuous shooting, Geotagging, 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
Front camera
- Resolution
- 50 Mpx
- 32 Mpx
- Aperture
- ƒ/ 2.1
- ƒ/ 2.25
- Sensor
- —
- Samsung S5KGD1
- Pixel size
- —
- 0.80 µm
Battery
- Capacity
- 6500 mAh
- 11600 mAh
- Type
- Lithium
- Li-Polymer
- Fast charge
- Yes , 80.0W
- Yes , 66.0W
- Features
- Reverse charging, Non-removable
- Non-removable
- Charge cycles
- —
- 1000 cycles
- Runtime
- —
- ~ 105h
Storage
- Capacity
- 512 GB
- 512 GB
- Type
- UFS Storage 3.1
- UFS Storage 4.0
- SD slot
- Yes , Slot for SD or second SIM card
- Yes , Independent SD slot
Body
- Dimensions
- 74.9 mm 158.2 mm 8.1 mm Print 3D Model
- 85.4 mm 174.3 mm 23.9 mm Print 3D Model
- Weight
- 189 g
- 538 g
- Materials
- Plastic
- Polycarbonate
- Colors
- Black Blue Cyan
- Black
- Water/dust resistance
- IP68, IP69
- IP68, MIL-STD-810H
- Usable surface
- 88 %
- 75 %
- Drop resistance
- —
- Class A B C D E 90 drops without defects
- Repairability
- —
- Class A B C D E
Software
- Operating system
- Android 16 ColorOS 16 (Android 16)
- Android 15 Android 15
- Updates
- OS updates: 2 years, Security updates: 4 years
- —
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM / eSIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.1 LELow energy consumption
- Bluetooth 5.3 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), 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
- 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, BeiDou (B1)
- 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), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500)
- 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), B26 (850), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), 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
- Cooling system
- Yes
- No
- Barometer
- —
- Yes
- Compass
- —
- Yes
- Audio
- —
- Noise cancellation microphone, 2 microphones
