Oppo A77s vs Samsung Galaxy M55

At a glance

Brand: Oppo; Samsung
Release date: October 2022, 3 years 8 months ago; April 2024, 2 years 2 months ago
AnTuTu: 255.000 Antutu v9 Overall performance better than 60% of devices; 698.000 Antutu v10 Overall performance better than 78% of devices

Size: 6.56"; 6.7"
Resolution: 720 x 1612 px HD+; 1080 x 2400 px FHD+
Type: LCD IPS; Super AMOLED
Density: 269 ppi Medium Density; 393 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 90 Hz, Peak brightness - 600 cd/m², Brightnes 480 cd/m² (typ), Max brightness HBM - 600 cd/m², DCI-P3, NTSC, 100% NTSC, 96% NTSC, 2.5D curved glass screen, Panda glass, Capacitive, Multi-touch, Frameless; Hole-punch Notch, Refresh rate 120 Hz, Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 680 (SM6225); Qualcomm Snapdragon 7 Gen1
CPU: 4x2.4 GHz Kryo 265 Gold + 4x1.9GHz Kryo 265 Silver; 1x2.4GHz Cortex A710 + 3x2.36GHz Cortex A710 + 4x1.80GHz Cortex A510
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 4 nm
Frequency: 2.4 GHz; 2.4 GHz
GPU: Adreno 610; Adreno 644
RAM: 8 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.8
Flash: LED; LED
Optical stabilization: No; Yes
Slow motion: No, 30 fps; Yes, 240 fps
Features: Digital zoom, Dual camera, Digital image stabilization, 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; 4K Video, Digital 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

Dimensions: 75.0 mm 163.7 mm 8.0 mm Print 3D Model; 76.5 mm 163.9 mm 7.8 mm Print 3D Model
Weight: 187 g; 180 g
Materials: Plastic; Plastic
Colors: Black Orange; Black Green
Water/dust resistance: IP54; —
Usable surface: 84 %; 85 %

Operating system: Android 13 Tiramisu ColorOS 13 (Android 13); Android 14 Upside-down cake Android 14
Google services: With Google Mobile Services; With Google Mobile Services
Updates: —; OS updates: 4 years, Security updates: 5 years

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0 LELow energy consumption; Bluetooth 5.2
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), AVRCP (Audio/Visual Remote Control Profile), DIP (Device ID Profile), HFP (Hands-Free Profile), HID (Human Interface Profile), HSP (Headset Profile), MAP (Message Access Profile), PAN (Personal Area Networking Profile), OPP (Object Push Profile), PBAP/PAB (Phone Book Access Profile), HOGP, LDAC, SBC
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC System

4G LTE: B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G: B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n28b (700), n28a (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500)