REUTERS/Juan Carlos Ulate
This is according to the BEA, which revised that growth figure up from an earlier estimate of 4.0%.
Economists were expecting the growth rate to be revised down to 3.9%.
Personal consumption growth was revised up to 2.5% from 2.4%.
The change in private inventories added 1.39 percentage points to growth. Economists often flag this as it represents a drag on future growth.
Real final sales - that is, GDP minus the change in private inventories - increased 2.8% in Q2.
The U.S. economy slowed sharply in Q1 as the unusually harsh winter effectively froze growth.
Q2 has been characterized as the economic snapback.
Here's a breakdown of the components of GDP:
BEA