How Does the Performance of an Inverted V Dipole Compare to a Linear Dipole?

NEC4.2 comparison of an inverted V, center-fed dipole with a linear center-fed dipole:

AUTHOR EDITS:

1. The apex angle in my plots here is mislabeled. The correct value is 120°.
2. The graphic below compares the elevation pattern gains at 90° azimuth intervals for these two configurations; posted in response to the comment of rclocher3.