Few other differences
2 additional USB 3.0 ports (midboard)
16 phase VRM design vs 12 phase VRM design on the -V
What is the TPM connector used for?
From the manual
This connector supports a Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity.