[greeneggs]

It depends on the implementation. Ion traps are slower than superconducting qubits, for example, although they are speeding up. This paper, from 2014, gives some parameters:

  "Logic gates at the surface code threshold: Superconducting qubits poised for fault-tolerant quantum computing"  
  Campbell et al.  
  Nature, 2014  

https://arxiv.org/abs/1402.4848

From page 9:

Initialization ~50ns

Measurement ~200ns

One-qubit gates ~20ns

Two-qubit gates ~40ns