TXAA
NVIDIA algorithm for Temporal Anti-Aliasing
Works only on NVIDIA hardware

HBAO+
NVIDIA algorithm for Ambient Occlusion
Works on both NVIDIA and AMD hardware

PCSS
NVIDIA algorithm for Soft Shadows
Works on both NVIDIA and AMD hardware

GeForce Experience
Player with GFE can have adjusted graphics options for smoother performance experience

G-Sync Support
Support of special monitor with NVIDIA G-Sync chip

And here are the game's PC requirements:

MINIMUM

Supported OS: Windows 7 SP1, Windows 8.1, Windows 10(64bit versions)
Processor: Intel Core i5 2400s @ 2.5 GHz or AMD FX 6350 @ 3.9 GHz
RAM: 6GB or more for Windows 7, Windows 8.1, Windows 10
Video Card: NVIDIA GeForce GTX 660 or AMD Radeon R9 270 (2GB VRAM with Shader Model 5.0)
DirectX: DirectX June 2010 Redistributable
Sound: DirectX compatible sound card with latest drivers

RECOMMENDED

Supported OS: Windows 7 SP1, Windows 8.1, Windows 10 (64bit versions only)
Processor: Intel Core i7-3770 @ 3.5 GHz or AMD FX-8350 @ 4.0 GHz
RAM: 8GB
Video Card: NVIDIA GeForce GTX 760 (4GB) or the newer GTX 970 (4GB) or AMD Radeon R9 280X (3GB) or better
DirectX: DirectX June 2010 Redistributable
Sound: DirectX 9.0c compatible sound card with latest drivers
Hard Drive: 50 GB available space