In order for you to play 7 Days to Die on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 16.04 (64-bit)
Processor (CPU):
2.8 Ghz Quad Core CPU
Memory (RAM):
8 GB RAM
Graphics Card:
2 GB Dedicated Memory
Network:
Broadband Internet connection
Storage:
15 GB available space
In order to play 7 Days to Die on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 18.04 (64-bit)
Processor (CPU):
3.2 Ghz Quad Core CPU or faster
Memory (RAM):
12 GB RAM
Graphics Card:
4 GB Dedicated Memory
Network:
Broadband Internet connection
Storage:
15 GB available space