@Ne0n01
The odds had started out looking good that your GPU had grown old, been declared a "Legacy", and no longer was offered any driver updates (that is, if you had been making the needed attempts to get a current official driver). Your Radeon R9 280X should be as speedy, however, or even moreso, than the minimum.
You have looked in a wrong place to get an updated video package, or chosen to avoid keeping that PC updated correctly.
http://support.amd.com/en-us/download
Battlefield 1
MINIMUM SPECS
OS: 64-bit Windows 7, Windows 8.1 and Windows 10
Processor (AMD): AMD FX-6350
Processor (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 SPECS
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
Available Disk Space: 50GB
http://support.amd.com/en-us/download/auto-detect-tool