realme C75x vs Xiaomi Redmi K90
realme
C75x
Xiaomi
Redmi K90
At a glance
- Brand
- realme
- Xiaomi
- Release date
- April 2025, 1 years 2 months ago
- October 2025, 8 months ago
- AnTuTu
- 262.145 Antutu v10 Overall performance better than 60% of devices
- 2.920.000 Antutu v10 Overall performance better than 97% of devices
- Launch price
- —
- CN¥ 2,599.00 ($ 380.18)
Display
- Size
- 6.67"
- 6.59"
- Resolution
- 720 x 1604 px HD+
- 1156 x 2510 px FHD+
- Type
- LCD IPS
- Oled
- Density
- 264 ppi Medium Density
- 419 ppi Very high density
- Aspect ratio
- 21:9
- 19.5:9
- Features
- Hole-punch Notch, TÜV Rheinland Flicker-free Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless
- Hole-punch Notch, 1-120 Hz refresh rate, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, TÜV Rheinland Full Care Display 3.0 Cer, Refresh rate 120 Hz, Touch sampling rate 480 Hz, Peak brightness - 3500 cd/m², Always-On Display, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, DC dimming, sRGB standard, 12 Bits panel (10-bit +2-bit FRC), Dolby Vision, Scratch resistant, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Performance
- Chipset
- MediaTek Helio G81 Ultra
- Qualcomm Snapdragon 8 Elite Extreme Edition
- CPU
- 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
- 2x4.47 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
- CPU type
- Octa-Core
- Octa-Core
- Process
- 12 nm
- 3 nm
- Frequency
- 2 GHz
- 4.47 GHz
- GPU
- Mali-G52 MC2
- Adreno 830
- 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
- Flash
- LED
- LED
- Optical stabilization
- No
- Yes
- Slow motion
- Yes, 120 fps
- Yes, 240 fps
- Features
- Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
- 4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Dual front camera, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
- Sensor
- —
- Omnivision OV50 Light Fusion 800
- Pixel size
- —
- 1.00 µm
- Sensor size
- —
- 1/1.55"
Front camera
- Resolution
- 5 Mpx
- 20 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 2.0
- Sensor
- —
- Omnivision OV20B
- Pixel size
- —
- 0.80 µm
Battery
- Capacity
- 5600 mAh
- 7100 mAh
- Type
- Li-Polymer
- Li-Ion
- Fast charge
- Yes , 45.0W
- Yes , 100.0W
- Features
- Non-removable
- Reverse charging, Non-removable
- Wireless charging
- —
- 22.5W Reverse wire charging
Storage
- Capacity
- 256 GB
- 256 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 4.1
- SD slot
- Yes , Independent SD slot
- No
Body
- Dimensions
- 76.2 mm 165.7 mm 8.0 mm Print 3D Model
- 75.2 mm 157.5 mm 8.0 mm Print 3D Model
- Weight
- 196 g
- 206 g
- Materials
- Plastic , Glass
- Aluminium alloy , Glass
- Colors
- Blue Pink Green
- Black White Blue Violet
- Water/dust resistance
- IP69
- IP68, IP69
- Usable surface
- 86 %
- 89 %
Software
- Operating system
- Android 15 RealmeUI 6.0 (Android 15)
- Android 15 HyperOS 3.X (Android 15)
- 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 5.0 LELow energy consumption
- Bluetooth 5.4 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), LDAC, SBC, AAC
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
- 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) , WiFi 7 (802.11be)
- Wi-Fi features
- Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
- 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, QZSS, Galileo
- GPS, A-GPS, GLONASS, Beidou, QZSS, GPS (L1+L5), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)
Networks
- 4G LTE
- B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B13 (700), B20 (800), B26 (850), 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), B19 (800), 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), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
- B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
- 2G
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- B3 (1800), B5 (850), B8 (900)
- 5G
- —
- n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, in screen
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Cooling system
- No
- Yes
- Audio
- DTS / DTS X, Stereo Speakers
- Dolby Atmos, Noise cancellation microphone, Stereo Speakers, 3 microphones
- Gyroscope
- —
- Yes
