According to the Ubisoft, Rainbow Six: Siege’s beta will be running at native 1920 x 1080p for the PlayStation 4 and at native 1600 x 900p for the Xbox One and as reported, both versions will be running at 60 fps.

According to the FAQs section on Ubisoft’s official website, the beta for PC will vary between resolutions from 720p to 1080p “depending on your configuration”.

“During the Closed Beta, the game is running in 1080p on PS4 and 900p on Xbox One. On PC, the resolution will vary between 720p and 1080p depending on your configuration” […]

“We’re still looking to push the hardware as much as possible in order to deliver a quality experience for players and will be able to share more about the final resolution once we’re closer to release date.”

The closed beta for Rainbow Six Siege is available since yesterday for PC, PS4 and Xbox One while the final version of the game is scheduled for release on December 1st, 2015.

System Requirements For Rainbow Six: Siege Closed Beta:

MINIMUM REQUIREMENTS

Operating System (64-bit): Windows 7 SP1 / Windows 8 / Windows 8.1 / Windows 10
Processor: Intel Core i3 560 @ 3.3 GHz or AMD Phenom II X4 945 @ 2.6 GHz
RAM: 6 GB
Video card: Nvidia GeForce GTX 460 or AMD Radeon HD5770 (1024MB VRAM)
DirectX:  11
Sound: DirectX Compatible Sound Card with latest drivers
Supported Controllers: Xbox One / 360 Official Controller for PC, PS4 Controller, any controller compatible with X-Input.

RECOMMENDED REQUIREMENTS

Operating System (64-bit): Windows Vista SP2 / Windows 7 SP1 / Windows 8 / Windows 8.1 / Windows 10
Processor: Intel Core i5-2500K @ 3.3 GHz or AMD FX-8120 @ 2.6 GHz
RAM: 8GB
Video card: Nvidia GeForce GTX 670 or AMD Radeon HD7970 / R9 280X or better (2048MB VRAM)
DirectX: 11
Sound: DirectX Compatible Sound Card with latest drivers
Supported Controllers: Xbox One / 360 Official Controller for PC, PS4 Controller, any controller compatible with X-Input.

Source: Videogamer