Nothing Phone (3a) Pro vs realme 12x

At a glance

Brand: Nothing; realme
Release date: March 2025, 1 years 4 months ago; March 2024, 2 years 4 months ago
AnTuTu: 810.000 Antutu v10 Overall performance better than 81% of devices; 442.599 Antutu v10 Overall performance better than 70% of devices
Launch price: —; CN¥ 1,399.00 ($ 204.59)

Size: 6.77"; 6.67"
Resolution: 1080 x 2392 px FHD+; 720 x 1604 px HD+
Type: AMOLED; LCD IPS
Density: 388 ppi High Density; 264 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, TUV Rheinland Low Blue Light, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 625 cd/m² (typ), Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 7s Gen3; MediaTek Dimensity 6100+
CPU: 1x2.5GHz Cortex A720 +3x2.4GHz Cortex A720 +4x1.8GHz Cortex A520; 2x2.2 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 6 nm
Frequency: 2.5 GHz; 2.2 GHz
GPU: Adreno 810 480MHz; ARM Mali-G57 MC2
RAM: 12 GB; 12 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.88; ƒ/ 1.8
Sensor: Samsung GNJ; —
Pixel size: 1.00 µm; —
Sensor size: 1/1.56"; —
Flash: LED; 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, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, 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; 75.4 mm 162.9 mm 7.9 mm Print 3D Model
Weight: 211 g; 190 g
Materials: Polycarbonate; Plastic , Splash resistant design
Colors: Black Gray; Black Gold
Water/dust resistance: IP64; IP54
Usable surface: 87 %; 85 %

Operating system: Android 15 Android 15; Android 14 Upside-down cake RealmeUI 5.0 (Android 14)
Updates: OS updates: 3 years, Security updates: 4 years; OS updates: 2 years, Security updates: 3 years
Google services: With Google Mobile Services; Without 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 5.2 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; 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); n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n40 (2300), n41 (2500), 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), B3 (1800), B5 (850), B8 (900), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)

Fingerprint: Yes, in screen; Yes, on the side
Accelerometer: Yes; Yes
Gyroscope: Yes; Yes
Light sensor: Yes; Yes
Barometer: Yes; —
Cooling system: Yes; No
Audio: Dolby Atmos, Stereo Speakers, 2 microphones; Hi-Res Audio, Stereo Speakers
Proximity: —; Yes