Description List Semantics Tests

According to HTML 5 spec for description list, it is valid to group dt/dd sets inside of div elements. How does such grouping affect screen reader performance? Are semantics properly conveyed?

With Divs

Name
Godzilla
Born
1952
Birthplace
Japan
Color
Green

Without Divs

Name
Godzilla
Born
1952
Birthplace
Japan
Color
Green

With Divs, DT as Role Term, and DD as Role Definition

Name
Godzilla
Born
1952
Birthplace
Japan
Color
Green

With Divs as Role Presentation, DT as Role Term, and DD as Role Definition

Name
Godzilla
Born
1952
Birthplace
Japan
Color
Green

With Divs as Role Presentation, DT as Role Term, and DD as Role Definition with ARIA-Labelledby

Name
Godzilla
Born
1952
Birthplace
Japan
Color
Green

With Divs as Role Presentation, DT as Role Term, and DD as Role Definition with ARIA-Describedby

Name
Godzilla
Born
1952
Birthplace
Japan
Color
Green