Here are the Sipho System Requirements (Minimum)
CPU: Intel Core i3 2100 or equivalent
RAM: 2 GB
VIDEO CARD: Nvidia GeForce GTX 460 or equivalent
DEDICATED VIDEO RAM: 1024 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 7 32 bit
FREE DISK SPACE: 512 MB
Sipho Recommended Requirements
CPU: Intel Core i5 2500K or equivalent
RAM: 4 GB
VIDEO CARD: Nvidia GeForce GTX 750 Ti or equivalent
DEDICATED VIDEO RAM: 2048 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 7/10 64 bit
FREE DISK SPACE: 512 MB