Confusing comparison values

Not sure if this is a bug or I am misunderstanding something. As a wizard, I have a relic skull equipped with the following stats. Let’s call this Relic A:

Relic Skull
Focus
54 Item Power
30 Damage Per Second

  • [20 - 30] Damage per Hit
  • 1.20 Attacks per Second (Very Fast Weapon)
  • 2.0% Cooldown Reduction

Another relic skull dropped for me, we’ll call it Relic B, and when I hovered over it to compare it to Relic A, it showed a +3 increase to Damage per Second. Here are its stats:

Relic Skull
Focus
53 Item Power
28 Damage Per Second (+3)

  • [19 - 29] Damage per Hit
  • 1.20 Attacks per Second (Very Fast Weapon)
  • 2.0% Cooldown Reduction

If I equip Relic B and then hover over Relic A, it says that Relic A will increase my dps +6 over Relic B. It seems obvious that Relic A and Relic B cannot both increase DPS. One of these should show a net decrease given that all other stats are equal.

To be clear, nothing else was changed in my character. I simply swapped the relics only using right-click.

Similar issue. imgur dot com/a/BRo7wF1

Encountered the same.

Also noticed wrong values shown on item comparison tooltip - the highlighted ones should be red with a minus:
imgur . com /a/14xDFL6