Here are the Stellaris: Astral Planes System Requirements (Minimum)
CPU: Intel® iCore™ i3-530 or AMD® FX-6350
CPU SPEED: Info
RAM: 4 GB
VIDEO CARD: Nvidia® GeForce™ GTX 460 or AMD® ATI Radeon™ HD 5870 (1GB VRAM), or AMD® Radeon™ RX Vega 11 or Intel® HD Graphics 4600
DEDICATED VIDEO RAM: 1024 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows® 7 SP1 64 Bit
FREE DISK SPACE: 10 GB
SOUND CARD: Direct X 9.0c- compatible sound card
Stellaris: Astral Planes Recommended Requirements
CPU: Intel® iCore™ i5-3570K or AMD® Ryzen™ 5 2400G
CPU SPEED: Info
RAM: 4 GB
VIDEO CARD: Nvidia® GeForce™ GTX 560 Ti (1GB VRAM)
DEDICATED VIDEO RAM: 1024 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows® 10 Home 64 Bit
FREE DISK SPACE: 10 GB
SOUND CARD: Direct X 9.0c- compatible sound card