Here are the R.B.I. Baseball 21 System Requirements (Minimum)
CPU: Intel® Core2 Duo E8400 / AMD Phenom II X2 550
RAM: 4 GB
VIDEO CARD: NVIDIA® GeForce® GTX 460/AMD® Radeon™ HD 6670
DEDICATED VIDEO RAM: 512 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 7, Windows 8.1, or Windows 10
FREE DISK SPACE: 11 GB
SOUND CARD: DirectX 9.0X compatible

R.B.I. Baseball 21 Recommended Requirements
CPU: Intel Core i5 or AMD A10 7870K
RAM: 8 MB
VIDEO CARD: NVIDIA® GeForce® GTX 760/AMD® Radeon™ R9 200 Series
DEDICATED VIDEO RAM: 1024 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 10 64-bit
FREE DISK SPACE: 11 GB
SOUND CARD: DirectX 9.0X compatible