動詞、名詞
一種手法令電腦嘅中央處理器可以突破預設嘅時頻上限，達到更高運作速度 overclocking, a method to breakthrough the default clock speed limit of the Central Processing Unit of a computer, to enable it to run faster.
我成功將呢粒CPU超頻咗20%。
我成功将呢粒CPU超频咗20%。
I have successfully overclocked this CPU with 20% more speed.
唔係每粒CPU都做到超頻，檔次低嘅CPU一推高時頻就會變得好唔穩定。
唔系每粒CPU都做到超频，档次低嘅CPU一推高时频就会变得好唔稳定。
Not every CPU can endure overclocking, for those low end CPUs if you push up the clock speed it will become so unstable.
Definitions (Wiktionary)
verb
to overclock
Examples (粵典–words.hk)
Cantonese
我成功将呢粒CPU超频咗20%。
我成功將呢粒CPU超頻咗20%。
I have successfully overclocked this CPU with 20% more speed.