Ulefone Armor X12 vs Xiaomi Redmi K90 Pro Max

Ulefone
Armor X12

Xiaomi
Redmi K90 Pro Max
At a glance
- Brand
- Ulefone
- Xiaomi
- Release date
- July 2023, 2 years 11 months ago
- October 2025, 8 months ago
- AnTuTu
- 92.000 Antutu v9 Overall performance better than 50% of devices
- 4.027.702 Antutu v11 Overall performance better than 99% of devices
- Launch price
- —
- CN¥ 3,999.00 ($ 584.21)
Display
- Size
- 5.45"
- 6.9"
- Resolution
- 720 x 1440 px HD+
- 1200 x 2608 px QHD
- Type
- LCD IPS
- Oled
- Density
- 250 ppi Medium Density
- 416 ppi Very high density
- Aspect ratio
- 18:9
- 19.5:9
- Features
- Without Notch, Capacitive, Multi-touch, Frameless, Oleophobic coating
- 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 A22 (MT6761)
- Qualcomm Snapdragon 8 Elite Gen 5
- CPU
- 4x Cortex A53 2.0 GHz
- 2x4.61 GHz ARM + 6x3.63 GHz ARM
- CPU type
- Quad-Core
- Octa-Core
- Process
- 12 nm
- 3 nm
- Frequency
- 2 GHz
- 4.61 GHz
- GPU
- IMG PowerVR GE-class GPU
- Adreno 840 1.2 GHz
- RAM
- 3 GB
- 12 GB
- RAM type
- LPDDR4X RAM
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 13 Mpx
- 50 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 1.88
- Sensor
- Sony IMX214 Exmor RS
- Omnivision 950 LightHunter
- Pixel size
- 1.12 µm
- 1.00 µm
- Sensor size
- 1/3.06"
- 1/1.3"
- Flash
- Dual LED
- LED
- Optical stabilization
- No
- Yes
- Slow motion
- No, 30 fps
- Yes, 240 fps
- Features
- Digital zoom, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
- 4K Video, 8K 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
Front camera
- Resolution
- 8 Mpx
- 32 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 2.0
- Sensor
- Omnivision OV8856
- Omnivision OV32D
- Pixel size
- 1.12 µm
- 0.61 µm
Battery
- Capacity
- 4860 mAh
- 7560 mAh
- Type
- Li-Ion
- Li-Ion
- Fast charge
- Yes , 10.0W
- Yes , 100.0W
- Charge cycles
- 1000 cycles
- —
- Runtime
- ~ 48h
- —
- Features
- Non-removable
- Wireless charging, Reverse charging, Non-removable
- Wireless charging
- —
- 22.5W Reverse wire charging, 50W wireless charging
Storage
- Capacity
- 32 GB
- 256 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 4.1
- SD slot
- Yes , Independent SD slot
- No
Body
- Dimensions
- 76.8 mm 157.2 mm 14.3 mm Print 3D Model
- 77.8 mm 163.3 mm 7.9 mm Print 3D Model
- Weight
- 257 g
- 218 g
- Materials
- Rugged Smartphone, Polycarbonate
- Aluminium alloy , Glass
- Colors
- Black Green Orange
- Black White Blue Silver
- Water/dust resistance
- IP68, IP69 , MIL-STD-810H
- IP68, IP69
- Drop resistance
- Class A B C D E 270 drops without defects
- —
- Repairability
- Class A B C D E
- —
- Usable surface
- 88 %
- 91 %
Software
- Operating system
- Android 13 Tiramisu Android 13 Go Edition
- 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), LE (Low Energy)
- 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, 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), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28a (700)
- B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B18 (800), B19 (800), B26 (850), 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), n18 (850), n26 (850), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n77 (3700), n78 (3500), n80 (1800), n84 (2100)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, in screen
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Compass
- Yes
- —
- Cooling system
- No
- Yes
- Gyroscope
- —
- Yes
- Audio
- —
- Dolby Atmos, Noise cancellation microphone, Stereo Speakers, 3 microphones















