realme C85 vs Xiaomi Redmi K80 Ultra

realme
C85

Xiaomi
Redmi K80 Ultra
At a glance
- Brand
- realme
- Xiaomi
- Release date
- December 2025, 6 months ago
- June 2025, 1 years ago
- AnTuTu
- 308.681 Antutu v10 Overall performance better than 61% of devices
- 2.821.344 Antutu v10 Overall performance better than 97% of devices
- Launch price
- —
- CN¥ 2,599.00 ($ 379.69)
Display
- Size
- 6.8"
- 6.83"
- Resolution
- 720 x 1520 px HD+
- 1280 x 2772 px UHD
- Type
- LCD IPS
- AMOLED
- Density
- 264 ppi Medium Density
- 447 ppi Very high density
- Aspect ratio
- 20:9
- 19.5:9
- Features
- Water Drop Notch, Refresh rate 120 Hz, Peak brightness - 700 cd/m², Peak brightness - 1200 cd/m², 1500:1 contrast ratio, 83% NTSC, Color LED Notifications, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless
- Hole-punch Notch, SGS Certified, Eye Care Display, HDR Vivid, Refresh rate 144 Hz, Touch sampling rate 240 Hz, Brightnes 800 cd/m² (typ), Peak brightness - 4500 cd/m², Max brightness HBM - 1800 cd/m², Peak brightness - 3200 cd/m², 5000000:1 contrast ratio, Always-On Display, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, DC dimming, 12 Bits panel, Dolby Vision, Scratch resistant, Dragontrail glass, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Performance
- Chipset
- MediaTek Dimensity 6300
- MediaTek Dimensity 9400+
- CPU
- 2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55
- 1x3,73 GHz Cortex X925 + 3x3,3 GHz Cortex X4 + 4x2,4 GHz Cortex A720
- CPU type
- Octa-Core
- Octa-Core
- Process
- 6 nm
- 3 nm
- Frequency
- 2.4 GHz
- 3.73 GHz
- GPU
- Arm Mali-G57 MC2
- Immortalis-G925 MC12 1,612 GHz
- RAM
- 4 GB
- 12 GB
- 64-bit
- Yes
- Yes
- RAM type
- —
- RAM LPDDR5X
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.8
- Sensor
- Sony IMX852
- Omnivision OV50 Light Fusion 800
- Flash
- Dual LED
- LED
- Optical stabilization
- No
- Yes
- Slow motion
- Yes, 120 fps
- Yes, 960 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
- Tracking AF, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Laser AF, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
- Pixel size
- —
- 1.00 µm
- Sensor size
- —
- 1/1.55"
Front camera
- Resolution
- 8 Mpx
- 20 Mpx
- Aperture
- ƒ/ 2.0
- Unknow
- Sensor
- —
- Omnivision OV20B
- Pixel size
- —
- 0.80 µm
Battery
- Capacity
- 7000 mAh
- 7410 mAh
- Type
- Li-Polymer
- Li-Ion Polymer
- Fast charge
- Yes , 45.0W
- Yes , 100.0W
- Charge cycles
- 1600 cycles
- —
- Runtime
- ~ 73h
- —
- Features
- Non-removable
- Bypass Charging, Non-removable
- Wireless charging
- —
- Surge P3 charging chip Xiaomi Surge G1 self-developed fuel gauge chip
Storage
- Capacity
- 128 GB
- 256 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 4.1
- SD slot
- Yes , Independent SD slot
- No
Body
- Dimensions
- 77.9 mm 166.0 mm 8.4 mm Print 3D Model
- 77.9 mm 163.1 mm 8.2 mm Print 3D Model
- Weight
- 215 g
- 219 g
- Materials
- Plastic
- Aluminium alloy
- Colors
- Blue Violet
- Black White Green Violet
- Water/dust resistance
- IP68, IP54 , IP69 , Splash resistant , MIL-STD-810H
- IP68, IP69
- Drop resistance
- Class A B C D E 45 drops without defects
- —
- Repairability
- Class A B C D E
- —
- Usable surface
- 85 %
- 90 %
Software
- Operating system
- Android 15 RealmeUI 6.0 (Android 15)
- Android 15 HyperOS 2.X (Android 15)
- Updates
- OS updates: 5 years
- —
- Google services
- With Google Mobile Services
- Without 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
- Bluetooth 5.4 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile)
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be)
- Wi-Fi features
- Wi-Fi Hotspot
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
- USB
- USB Type-C
- USB Type-C
- USB features
- Charging, OTG
- Charging, OTG
- Navigation
- GPS, A-GPS, GLONASS, Beidou, Galileo
- A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5), Galileo (E1+E5a+E5b)
Networks
- 5G
- n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500)
- n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), 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), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B18 (800), B19 (800), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100)
- 3G
- B1 (2100), B5 (850), B8 (900)
- B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B8 (900), B19 (800)
- 2G
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, in screen
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Cooling system
- No
- Yes
- Audio
- Noise cancellation microphone
- Dolby Atmos, Stereo Speakers, 3 microphones
- Gyroscope
- —
- Yes
















