realme C100 vs Xiaomi 17 Ultra
realme
C100
Xiaomi
17 Ultra
At a glance
- Brand
- realme
- Xiaomi
- Release date
- March 2026, 3 months ago
- December 2025, 6 months ago
- AnTuTu
- 308.681 Antutu v10 Overall performance better than 61% of devices
- 4.027.702 Antutu v11 Overall performance better than 99% of devices
Display
- Size
- 6.8"
- 6.9"
- Resolution
- 720 x 1570 px HD+
- 1200 x 2608 px QHD
- Type
- LCD IPS
- AMOLED
- Density
- 254 ppi Medium Density
- 416 ppi Very high density
- Aspect ratio
- 20:9
- 20:9
- 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, 1-120 Hz refresh rate, TÜV Rheinland Flicker-free Certified, TÜV Low Blue Light, Variable refresh rate 1 Hz, Peak brightness - 3500 cd/m², Always-On Display, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, DC dimming, 12 Bits panel (10-bit +2-bit FRC), Dolby Vision, Scratch resistant, Dragontrail Pro glass, Xiaomi Longjing Glass, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Performance
- Chipset
- MediaTek Dimensity 6300
- Qualcomm Snapdragon 8 Elite Gen 5
- CPU
- 2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55
- 2x4.61 GHz ARM + 6x3.63 GHz ARM
- CPU type
- Octa-Core
- Octa-Core
- Process
- 6 nm
- 3 nm
- Frequency
- 2.4 GHz
- 4.61 GHz
- GPU
- Arm Mali-G57 MC2
- Adreno 840 1.2 GHz
- RAM
- 4 GB
- 16 GB
- 64-bit
- Yes
- Yes
- RAM type
- —
- RAM LPDDR5X
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.65
- Sensor
- Sony IMX852
- Omnivision OV50X50 Light Fusion 1050L
- Flash
- LED
- Dual LED
- Optical stabilization
- No
- Yes
- Slow motion
- Yes, 120 fps
- Yes, 1920 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, Flicker sensor, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, 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, Night Mode, RAW 14 bits
- Pixel size
- —
- 1.60 µm
- Sensor size
- —
- 1/1"
Front camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 2.2
- Sensor
- —
- Omnivision OV50M
- Pixel size
- —
- 0.61 µm
Battery
- Capacity
- 7000 mAh
- 6000 mAh
- Type
- Li-Polymer
- Si-Carbon Li-Ion
- Fast charge
- Yes , 45.0W
- Yes , 90.0W
- Features
- Non-removable
- Wireless charging, Reverse charging, Non-removable
- Wireless charging
- —
- 50W wireless fast charging, 22.5W wired reverse charging, 20W wireless reverse charging
- Charge cycles
- —
- 1000 cycles
- Runtime
- —
- ~ 63h
Storage
- Capacity
- 128 GB
- 512 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 4.1
- SD slot
- Yes , Slot for SD or second SIM card
- No
Body
- Dimensions
- 78.1 mm 166.4 mm 8.4 mm Print 3D Model
- 77.6 mm 162.9 mm 8.3 mm Print 3D Model
- Weight
- 212 g
- 218 g
- Materials
- Plastic
- Aluminium alloy , Titanium
- Colors
- Green Violet
- Black White Green
- Water/dust resistance
- IP64 , Splash resistant
- IP68, IP69
- Usable surface
- 85 %
- 92 %
- Drop resistance
- —
- Class A B C D E 270 drops without defects
- Repairability
- —
- Class A B C D E
Software
- Operating system
- Android 15 RealmeUI 6.0 (Android 15)
- Android 16 HyperOS 3.X (Android 16)
- Google services
- With Google Mobile Services
- With Google Mobile Services
- Updates
- —
- OS updates: 5 years, Security updates: 5 years
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM / eSIM + Nano SIM / eSIM)
- Bluetooth
- Bluetooth 5.2
- Bluetooth 6.0 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile)
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC, Apt-x Adaptive
- 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
- GPS, A-GPS, GLONASS, Beidou, QZSS, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)
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), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n71 (600), n75 (1500), n77 (3700), n78 (3500), n79 (4700)
- 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), 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), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100), B71 (600)
- 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)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, in screen
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- No
- Yes
- Audio
- Noise cancellation microphone
- Dolby Atmos, Hi-Res Audio, Stereo Speakers, 4 microphones
- Gyroscope
- —
- Yes
- Barometer
- —
- Yes
