Nothing Phone (3a) Pro vs Ulefone Note 21

At a glance

Brand: Nothing; Ulefone
Release date: March 2025, 1 years 3 months ago; January 2025, 1 years 5 months ago
AnTuTu: 810.000 Antutu v10 Overall performance better than 81% of devices; 251.000 Antutu v10 Overall performance better than 59% of devices

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; Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 7s Gen3; Unisoc Tiger T606
CPU: 1x2.5GHz Cortex A720 +3x2.4GHz Cortex A720 +4x1.8GHz Cortex A520; 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 12 nm
Frequency: 2.5 GHz; 1.6 GHz
GPU: Adreno 810 480MHz; ARM Mali-G57
RAM: 12 GB; 4 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 13 Mpx
Aperture: ƒ/ 1.88; ƒ/ 2.2
Sensor: Samsung GNJ; 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: 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, 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

Dimensions: 77.5 mm 163.5 mm 8.4 mm Print 3D Model; 75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight: 211 g; 196 g
Materials: Polycarbonate; Plastic
Colors: Black Gray; Black Violet
Water/dust resistance: IP64; —
Usable surface: 87 %; 84 %
Drop resistance: —; Class A B C D E 113 drops without defects
Repairability: —; Class A B C D E

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

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); 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: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, BeiDou (B1), BeiDou (B2); GPS, A-GPS, GLONASS, Beidou, Galileo

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), 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), B6 (800), B8 (900), B19 (800); 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)