OnePlus 9 vs Poco C51

At a glance

Brand: OnePlus; POCO
Release date: March 2021, 5 years 3 months ago; April 2023, 3 years 2 months ago
AnTuTu: 880.900 Antutu v10 Overall performance better than 83% of devices; 127.000 Antutu v9 Overall performance better than 53% of devices

Size: 6.55"; 6.52"
Resolution: 1080 x 2400 px FHD+; 720 x 1600 px HD+
Type: AMOLED; LCD IPS
Density: 402 ppi Very high density; 269 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Peak brightness - 1100 cd/m², HDR10+, MEMC, Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless; Water Drop Notch, Brightnes 420 cd/m² (typ), Scratch resistant, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 888; Mediatek Helio G36
CPU: 1x Cortex X1 2.84GHz + 3x Cortex A78 2.42GHz + 4x Cortex A55 1.8GHz; 8x Cortex A53 2.2 GHz
CPU type: Octa-Core; Octa-Core
Process: 5 nm; 12 nm
Frequency: 2.84 GHz; 2.2 GHz
GPU: Adreno 660; IMG PowerVR GE8320 680 MHz
RAM: 8 GB; 4 GB
RAM type: RAM LPDDR5; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 48 Mpx; 8 Mpx
Aperture: ƒ/ 1.79; ƒ/ 2.0
Sensor: Sony IMX689; —
Pixel size: 1.12 µm; —
Sensor size: 1/1.4"; —
Flash: Dual LED; LED
Optical stabilization: No; No
Slow motion: Yes, 480 fps; No, 30 fps
Features: 4K Video, 8K Video, Digital zoom, Triple camera, Digital image stabilization, Ultra stable video, Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), Contrast detection autofocus (CDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode, RAW 12 bits; Digital zoom, Dual camera, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 74.2 mm 160.0 mm 8.7 mm Print 3D Model; 76.8 mm 164.9 mm 9.1 mm Print 3D Model
Weight: 192 g; 192 g
Materials: Plastic , Glass; Plastic
Colors: Black Blue Violet; Black Green Cyan
Usable surface: 87 %; 81 %

Operating system: Android 13 Tiramisu OxygenOS 13 (Android 13); Android 13 Tiramisu Android 13 Go Edition
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2 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), EDR (Enhanced Data Rate), 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
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO; Wi-Fi Hotspot, Wi-Fi Direct
USB: USB Type-C; —
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2); GPS, A-GPS, GLONASS, Beidou

5G: n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), 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), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); B1 (2100), B3 (1800), B5 (850), B8 (900), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900), B9 (1800 Japan), B19 (800); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)

Fingerprint: Yes, in screen; Yes, on the side
Accelerometer: Yes; Yes
Gyroscope: Yes; —
Proximity: Yes; —
Light sensor: Yes; Yes
Cooling system: Yes; No
Audio: Dolby Atmos, Noise cancellation microphone, Stereo Speakers, 3 microphones; —