difference between vs difference of

difference of

difference between

 

· Is there any significant difference in quality between these two items?
· There's a difference of eight years①  between them②.

[출처] Cambridge Dictionary, "Meaning of difference in English"

 

※ 'in quality'는 difference의 종류를 뒤에서 한정하고 있습니다. '質의 차이'

나이의 차이는 다름과 같이 표현할 수 있습니다.

There is a 8-year difference in age between them.

There is a difference of 8 years in age between them.

Threre is a 3 to 5-year difference in age between them.

 

ⓘ 8년에 달하는 기간의 차이

② 비교 대상들

③ difference [ of + 크기 ] [ in + 항목] [ between + 비교 대상] 

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'difference of' is used to indicate the extent of a difference; it's a measure, whether a degree (temperature), a metre (length), a litre (volume) or a kilogram (mass).

· There is a difference of nearly a centimetre between the lengths of the tables.

 

'difference between' is used to compare two creatures/objects directly.

· There is a marked difference in character between the identical twins.

[참고] StackExchange, word usage - " Difference 'of' vs difference 'between' "