Nothing Phone (4a) Pro vs Ulefone Note 21
Nothing
Phone (4a) Pro
Ulefone
Note 21
At a glance
- Brand
- Nothing
- Ulefone
- Release date
- March 2026, 3 months ago
- January 2025, 1 years 5 months ago
- Launch price
- € 479.00 ($ 560.80)
- —
- AnTuTu
- 1.015.000 Antutu v10 Overall performance better than 85% of devices
- 251.000 Antutu v10 Overall performance better than 59% of devices
Display
- Size
- 6.83"
- 6.56"
- Resolution
- 1260 x 2800 px QHD
- 720 x 1612 px HD+
- Type
- AMOLED
- LCD IPS
- Density
- 450 ppi Very high density
- 269 ppi Medium Density
- Aspect ratio
- 20:9
- 20:9
- Features
- Hole-punch Notch, 2160 Hz PWM, Refresh rate 144 Hz, Max brightness HBM - 1600 cd/m², Peak brightness - 5000 cd/m², HDR10+, DCI-P3, 10 Bits panel, Color LED Notifications, Scratch resistant, Corning Gorilla Glass 7i, Capacitive, Multi-touch, Frameless
- Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless
Performance
- Chipset
- Qualcomm Snapdragon 7 Gen 4 (SM7750-AB)
- Unisoc Tiger T606
- CPU
- 1x2.8 GHz Cortex A720 +4x2.4 GHz Cortex A720 + 3x1.84 GHz Cortex A520
- 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
- CPU type
- Octa-Core
- Octa-Core
- Process
- 4 nm
- 12 nm
- Frequency
- 2.8 GHz
- 1.6 GHz
- GPU
- Adreno 722
- ARM Mali-G57
- RAM
- 8 GB
- 4 GB
- 64-bit
- Yes
- Yes
- RAM type
- —
- LPDDR4X RAM
Rear camera
- Resolution
- 50 Mpx
- 13 Mpx
- Aperture
- ƒ/ 1.9
- ƒ/ 2.2
- Sensor
- Sony LYT-700C
- Samsung S5K3L6
- Pixel size
- 1.00 µm
- 1.12 µm
- Sensor size
- 1/1.56"
- 1/3.1"
- Flash
- LED
- LED
- Optical stabilization
- Yes
- No
- Slow motion
- Yes, 240 fps
- No, 30 fps
- Features
- Night Mode 2.0, Noise reduction, 4K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Continuous autofocus, Manual 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
- Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
Front camera
- Resolution
- 32 Mpx
- 8 Mpx
- Aperture
- ƒ/ 2.2
- Unknow
- Pixel size
- 0.70 µm
- —
Battery
- Capacity
- 5080 mAh
- 5000 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 50.0W
- Yes , 10.0W
- Charge cycles
- 1400 cycles
- 1000 cycles
- Runtime
- ~ 63h
- ~ 47h
- Features
- Reverse charging, Non-removable
- Non-removable
Storage
- Capacity
- 128 GB
- 128 GB
- Type
- UFS Storage 3.1
- —
- SD slot
- No
- Yes , Slot for SD or second SIM card
Body
- Dimensions
- 76.6 mm 163.7 mm 8.0 mm Print 3D Model
- 75.2 mm 163.2 mm 9.2 mm Print 3D Model
- Weight
- 210 g
- 196 g
- Materials
- Aluminium alloy , Corning Gorilla Glass 7i
- Plastic
- Colors
- Black Silver Pink
- Black Violet
- Water/dust resistance
- IP65
- —
- Drop resistance
- Class A B C D E 100 drops without defects
- Class A B C D E 113 drops without defects
- Repairability
- Class A B C D E
- Class A B C D E
- Usable surface
- 89 %
- 84 %
Software
- Operating system
- Android 16 Android 16
- Android 14 Upside-down cake Android 14
- Updates
- OS updates: 3 years, Security updates: 6 years
- —
- Google services
- With Google Mobile Services
- With Google Mobile Services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM / eSIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.4 LELow energy consumption
- Bluetooth 5.0 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
- A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy)
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 6E
- 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
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
- USB
- USB Type-C
- USB Type-C
- USB features
- Charging, OTG
- Charging, OTG
- Navigation
- A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1)
- GPS, A-GPS, GLONASS, Beidou, Galileo
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), n71 (600), 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), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100), B71 (600)
- B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- 3G
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
- B1 (2100), B2 (1900), B5 (850), B8 (900)
- 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
- —
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- Yes
- No
- Audio
- Stereo Speakers
- —
