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

All DIVs, using role of list, aria-roledescription, and term/defintion, with aria-describedby associations

Name

Godzilla

Born

1952

Birthplace

Japan

Color

Green