A. Server CPUs have no overlocking features; client CPUs do have them
B. Server CPUs use identical socket types, client CPUs use multiple socket types
C. Server CPUs frequently have fewer cores and more processing power than client CPUs
D. Servers tend to have fewer CPUs installed than clients
Explanation:
Reference: https://www.quora.com/How-can-you-describe-the-difference-between-server-CPU-anddesktop-CPU