Meizu 21 vs realme C51

At a glance

Brand: Meizu; realme
Release date: November 2023, 2 years 6 months ago; July 2023, 2 years 10 months ago
Launch price: CN¥ 3,399.00 ($ 497.06); —
AnTuTu: 2.342.281 Antutu v11 Overall performance better than 95% of devices; 220.000 Antutu v9 Overall performance better than 56% of devices

Size: 6.55"; 6.74"
Resolution: 1080 x 2340 px FHD+; 720 x 1600 px HD+
Type: AMOLED; LCD IPS
Density: 393 ppi High Density; 262 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, On-cell, SGS Certified, 1920 Hz PWM, Refresh rate 120 Hz, Brightnes 600 cd/m² (typ), Peak brightness - 1800 cd/m², Max brightness HBM - 1100 cd/m², 6000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, Dolby Vision, Scratch resistant, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 90 Hz, Touch sampling rate 180 Hz, 560 cd/m² maximum brightness, 1500:1 contrast ratio, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 8 Gen3; Unisoc Tiger T612 / T7225
CPU: 1x3.3GHz Cortex X4 + 3x3.2 GHz Cortex A720 + 2x3.0 GHz Cortex A720 + 2x2.3 GHz Cortex A520; 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.8Ghz
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 12 nm
Frequency: 3.3 GHz; 1.8 GHz
GPU: Adreno 750; Mali-G57 MP1
RAM: 8 GB; 4 GB
RAM type: RAM LPDDR5X; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 200 Mpx; 50 Mpx
Aperture: ƒ/ 1.7; ƒ/ 1.8
Sensor: Samsung ISOCELL HP3; Samsung S5KJN1
Pixel size: 0.56 µm; 0.64 µm
Sensor size: 1/1.4"; 1/2.76"
Flash: LED; LED
Optical stabilization: Yes; No
Slow motion: Yes, 240 fps; No, 30 fps
Features: Flicker sensor, Noise reduction, 4K Video, 8K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, 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, RAW, Night Mode; Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 75.3 mm 156.7 mm 7.9 mm Print 3D Model; 76.7 mm 167.2 mm 8.0 mm Print 3D Model
Weight: 198 g; 186 g
Materials: Polycarbonate , Aluminium alloy; Plastic
Colors: Black White Purple Green; Black Green
Water/dust resistance: IP54; —
Usable surface: 87 %; 84 %

Operating system: Android 14 Upside-down cake FlyMe 10.4; Android 13 Tiramisu Android 13
Google services: Without Google Mobile services; With Google Mobile Services
Updates: —; OS updates: 1 years, Security updates: 2 years

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 5.0 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), LDAC, SBC, AAC
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; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
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), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5); GPS, A-GPS, GLONASS, Galileo

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n38 (2600), n41 (2500), n77 (3700), n78 (3500); —
4G LTE: B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B18 (800), B19 (800), B26 (850), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B3 (1800), B5 (850), B8 (900), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B8 (900), B19 (800); B1 (2100), B5 (850), B8 (900)
2G: B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)