Radeon RX 460 4gb Assassin Creed Origins FPS

Windows 10 Pro 64-bit Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz SAPPHIRE Radeon(TM) RX 460 Graphics 4GB SINGLE FAN PSU 450W HDD 1TB WD 3. 4. Fps drop video recording