What is the difference between wire cut and gate cut

[Iuftmensch]

If wire cut and gate cut both follow the same rules for the decomposition of gates, why is it so hard to cut some certain quantum circuits(for example, vqe_uccsd_n4 in QASMBench) using wire cut while it is more efficient to cut by gate cut. (not sure if I understand the wire cut and gate cut correctly; I applied the "Gate Cutting to Reduce Circuit Width" and "Automatically find cuts" for the implementation above, and set the subcircuit size as 2 for both)