Ulefone Armor 28 Ultra vs Ulefone Armor X31
Ulefone
Armor 28 Ultra
Ulefone
Armor X31
At a glance
- Brand
- Ulefone
- Ulefone
- Release date
- September 2024, 1 years 8 months ago
- March 2025, 1 years 2 months ago
- AnTuTu
- 2.348.416 Antutu v11 Overall performance better than 96% of devices
- 269.000 Antutu v10 Overall performance better than 60% of devices
Display
- Size
- 6.67"
- 6.56"
- Resolution
- 1080 x 2400 px FHD+
- 720 x 1612 px HD+
- Type
- AMOLED
- LCD IPS
- Density
- 395 ppi High Density
- 269 ppi Medium Density
- Aspect ratio
- 20:9
- 20:9
- Features
- Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 480 Hz, Peak brightness - 2200 cd/m², HDR10, DCI-P3, DC dimming, Scratch resistant, Corning Gorilla Glass Victus, Capacitive, Multi-touch, Frameless
- Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Max brightness HBM - 800 cd/m², Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, Oleophobic coating
Performance
- Chipset
- MediaTek Dimensity 9300+
- MediaTek Helio G91
- CPU
- 1xCortex X4 3,4GHZ + 3xCortex X4 2,85GHZ + 4xCortex A720 2GHZ
- 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 4 nm
- 12 nm
- Frequency
- 3.25 GHz
- 2 GHz
- GPU
- Immortalis-G720 MC12 1300MHz
- Arm Mali-G52 MC2 850MHz
- RAM
- 16 GB
- 6 GB
- 64-bit
- Yes
- Yes
- RAM type
- —
- LPDDR4X RAM
Rear camera
- Resolution
- 50 Mpx
- 48 Mpx
- Aperture
- ƒ/ 1.9
- ƒ/ 1.9
- Sensor
- Sony IMX989
- —
- Pixel size
- 0.80 µm
- —
- Sensor size
- 1"
- —
- Flash
- Quad LED
- Dual LED
- Optical stabilization
- No
- No
- Slow motion
- Yes, 120 fps
- Yes, 120 fps
- Features
- Cinematic Mode, Flicker sensor, Noise reduction, Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode, Night Vision
- 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 Mode, Night Vision
Front camera
- Resolution
- 50 Mpx
- 16 Mpx
- Aperture
- Unknow
- ƒ/ 2.3
- Sensor
- Samsung S5KJN1
- —
- Pixel size
- 0.64 µm
- —
Battery
- Capacity
- 10600 mAh
- 6050 mAh
- Type
- Lithium
- Li-Polymer
- Fast charge
- Yes , 120.0W
- Yes , 18.0W
- Wireless charging
- Wireless charging 50w
- —
- Charge cycles
- 1000 cycles
- 1000 cycles
- Runtime
- ~ 113h
- ~ 81h
- Features
- Wireless charging, Non-removable
- Reverse charging, Non-removable
Storage
- Capacity
- 1 TB
- 128 GB
- Type
- UFS Storage 4.0
- —
- SD slot
- Yes , Independent SD slot
- Yes , Independent SD slot
Body
- Dimensions
- 83.6 mm 174.2 mm 19.4 mm Print 3D Model
- 82.0 mm 173.8 mm 13.7 mm Print 3D Model
- Weight
- 450 g
- 306 g
- Materials
- Rugged Smartphone, Polycarbonate
- Rugged Smartphone, Polycarbonate
- Colors
- Black
- Black Green Orange
- Water/dust resistance
- IP68, IP69 , MIL-STD-810H
- IP68, IP69 , MIL-STD-810H
- Drop resistance
- Class A B C D E 270 drops without defects
- Class A B C D E 270 drops without defects
- Repairability
- Class A B C D E
- Class A B C D E
- Usable surface
- 73 %
- 72 %
Software
- Operating system
- Android 14 Upside-down cake Android 14
- Android 14 Upside-down cake Android 14
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.4 LELow energy consumption
- Bluetooth 5.2 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), LDAC, SBC, AAC, LHDC
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be)
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
- Wi-Fi features
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
- 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, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), Galileo (E1+E5a+E5b)
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC System
Networks
- 5G
- n1 (2100), 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)
- —
- 4G LTE
- B1 (2100), 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), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B39 (TDD 1900), 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), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100), B71 (600)
- 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
- CDMA BC0 (800), B3 (1800), B5 (850), B8 (900)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Barometer
- Yes
- —
- Cooling system
- Yes
- No
- Audio
- Stereo Speakers
- —
