RetroDex
RG-557

RG-557

Anbernic

Released: April 2025 Horizontal Android 14

Emulation capabilities

GameCube/Wii all full speed, most 3DS/PS2 playable, some Wii U playable

Performance

SoC MediaTek Dimensity 8300
CPU Cortex-A715 / Cortex-A510 4x / 4x
CPU Cores 8 Cores
CPU Clock 2.2 GHz - 3.35 GHz
Architecture ARM
GPU Mali-G615 MC6
GPU Cores 6 Cores
GPU Clock 1.4 GHz
RAM 12 GB LPDDR5X

Display

Screen Size 5.48 inch
Screen Type AMOLED Touchscreen
Resolution 1920 x 1080
Refresh Rate 60 Hz
PPI 401.99 PPI
Aspect Ratio 16:9
Screen Lens Tempered Glass (OCA Laminated)

Physical

Battery 5500 mAh
Cooling Heatpipe, Fan, Ventilation cutouts
Dimensions 223 mm x 89 mm x 15-25 mm
Weight 347 grams
Shell Material Plastic
Colors White, Transparent Purple

Controls

D-Pad Cross Lower placement
Analogs Dual thumbsticks (L3/R3 / Capacitive) Left: Upper placement Right: Lower placement
Face Buttons 4 Buttons
Shoulder Buttons L1, R1, L2, R2 Vertical Analog Triggers
Extra Buttons Home/Back, Menu, Power, Volume +-

Connectivity

Connectivity WiFi 6E, Bluetooth 5.3
Video Output USB-C video out Bottom facing
Audio Output 3.5mm Headphone Bottom facing
Speaker Dual Stereo Bottom facing
Rumble
Sensors Gyroscope, Hall sensor joysticks & triggers

Storage

Storage Internal 256 GB UFS 4.0, External MicroSD
Charge Port USB-C Bottom facing

Emulation Limit

Gamecube, Wii, PS2 playable, some Switch playable