Can i know my fps before buy the game

@Degrolinthis link showing the results
https://technical.city/en/system-requirements/bf1
people says that you could do with same feature but need 16 gb ram
but the best to see the official requires on origin website as below:
System Requirements
Minimum Requirements

OS: 64-bit Windows 7, Windows 8.1 and Windows 10
Processor (AMD): AMD FX-6350
Processor (Intel): Intel Core i5 6600K
Memory: 8GB RAM
Graphics card (AMD): AMD Radeon™ HD 7850 2GB
Graphics card (NVIDIA): NVIDIA GeForce® GTX 660 2GB
DirectX: 11.0 Compatible video card or equivalent
Online Connection Requirements: 512 KBPS or faster Internet connection
Hard-drive space: 50GB


Recommended Requirements

OS: 64-bit Windows 10 or later
Processor (AMD): AMD FX 8350 Wraith
Processor (Intel): Intel Core i7 4790 or equivalent
Memory: 16GB RAM
Graphics card (AMD): AMD Radeon™ RX 480 4GB
Graphics card (NVIDIA): NVIDIA GeForce® GTX 1060 3GB
DirectX: 11.1 Compatible video card or equivalent
Online Connection Requirements: 512 KBPS or faster Internet connection
Hard-drive space: 50GB