Go to in-game graphics settings and make sure the settings are as follows. If you have a good PC, you can increase the settings slightly. These High Performance graphics settings are for PCs which close to the minimum system requirements.
You can skip this step if you don’t want to change graphics settings. 16) CPU Limiter – Fix Freezing & Stuttering Can I run Assassin’s Creed Syndicate? Minimum System Requirements Recommended System Requirements CPU Intel Core i5 2400s 2.5 GHz / AMD FX 6350 3.9 GHz Intel Core i7 3770 3.5 GHz / AMD FX 8350 4.0 GHz GPU NVIDIA GeForce GTX 660 / AMD Radeon R9 270 (2GB VRAM with Shader Model 5.0) NVIDIA GeForce GTX 760 (4GB) or the newer GTX 970 (4GB) / AMD Radeon R9 280X (3GB of VRAM) or better RAM 6 GB RAM 8 GB RAM Storage 45 GB available space 45 GB available space OS Windows 7 SP1 or Windows 8.1 or Windows 10 (64bit versions) Windows 7 SP1 or Windows 8.1 or Windows 10 (64bit versions) 1) Best Graphics Settings for AC:Syndicate
