Nothing Phone (3a) vs Ulefone Armor X31
Nothing
Phone (3a)
Ulefone
Armor X31
At a glance
- Brand
- Nothing
- Ulefone
- Release date
- March 2025, 1 years 4 months ago
- March 2025, 1 years 4 months ago
- AnTuTu
- 810.000 Antutu v10 Overall performance better than 81% of devices
- 269.000 Antutu v10 Overall performance better than 60% of devices
Display
- Size
- 6.77"
- 6.56"
- Resolution
- 1080 x 2392 px FHD+
- 720 x 1612 px HD+
- Type
- AMOLED
- LCD IPS
- Density
- 388 ppi High Density
- 269 ppi Medium Density
- Aspect ratio
- 20:9
- 20:9
- Features
- Hole-punch Notch, 2160 Hz PWM, Refresh rate 120 Hz, Brightnes 800 cd/m² (typ), Peak brightness - 3000 cd/m², Max brightness HBM - 1300 cd/m², 1000000:1 contrast ratio, HDR10+, DCI-P3, 10 Bits panel, Color LED Notifications, Scratch resistant, 3D curved glass screen, Panda glass, 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
- Qualcomm Snapdragon 7s Gen3
- MediaTek Helio G91
- CPU
- 1x2.5GHz Cortex A720 +3x2.4GHz Cortex A720 +4x1.8GHz Cortex A520
- 2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
- CPU type
- Octa-Core
- Octa-Core
- Process
- 4 nm
- 12 nm
- Frequency
- 2.5 GHz
- 2 GHz
- GPU
- Adreno 810 480MHz
- Arm Mali-G52 MC2 850MHz
- RAM
- 8 GB
- 6 GB
- RAM type
- LPDDR4X RAM
- LPDDR4X RAM
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 48 Mpx
- Aperture
- ƒ/ 1.88
- ƒ/ 1.9
- Sensor
- Samsung GN9
- —
- Pixel size
- 1.00 µm
- —
- Sensor size
- 1/1.56"
- —
- Flash
- LED
- Dual LED
- Optical stabilization
- Yes
- No
- Slow motion
- Yes, 240 fps
- Yes, 120 fps
- Features
- 4K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), 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
- 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
- 32 Mpx
- 16 Mpx
- Aperture
- ƒ/ 2.2
- ƒ/ 2.3
- Sensor
- Samsung S5KKD1
- —
- Pixel size
- 0.70 µm
- —
Battery
- Capacity
- 5000 mAh
- 6050 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 50.0W
- Yes , 18.0W
- Charge cycles
- 1400 cycles
- 1000 cycles
- Runtime
- ~ 44h
- ~ 81h
- Features
- Non-removable
- Reverse charging, Non-removable
Storage
- Capacity
- 128 GB
- 128 GB
- Type
- UFS Storage 2.2
- —
- SD slot
- No
- Yes , Independent SD slot
Body
- Dimensions
- 77.5 mm 163.5 mm 8.3 mm Print 3D Model
- 82.0 mm 173.8 mm 13.7 mm Print 3D Model
- Weight
- 201 g
- 306 g
- Materials
- Polycarbonate
- Rugged Smartphone, Polycarbonate
- Colors
- Black White Blue
- Black Green Orange
- Water/dust resistance
- IP64
- IP68, IP69 , MIL-STD-810H
- Drop resistance
- Class A B C D E 90 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
- 87 %
- 72 %
Software
- Operating system
- Android 15 Android 15
- Android 14 Upside-down cake Android 14
- Updates
- OS updates: 3 years, Security updates: 4 years
- —
- 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), APT-x, LDAC, SBC, AAC
- 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)
- 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, BeiDou (B1), BeiDou (B2)
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC System
Networks
- 5G
- n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), 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), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), 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
- B2 (1900), B3 (1800), B5 (850), B8 (900)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, in screen
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- Yes
- No
- Audio
- Dolby Atmos, Stereo Speakers, 2 microphones
- —
- Proximity
- —
- Yes
