First off, there's 2 weapons that will be involved and one monster. The main focus is the 2 swords against one certain monster, which will do better?

Weapon:

1. Tempered Calibur (3*) - Five (5) bars [Normal Attack] (Level 10)
2. Iceburst Brandish (3*) - Four (4) bars [Normal Attack] & Four (4) bars [Elemental Attack: Ice] (Level 10)

Monster:

Mecha Knight (Construct); weak against *Elemental* <-- Attention to weakness
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Problem/Question:

I use my Tempered Calibur's first slash and do about 80 damage to a Mecha Knight.
If I use (I don't own one yet) Iceburst Brandish and attack a Mecha Knight with my first slash, will it do more damage than my Tempered Calibur?
If so, that means Iceburst Brandish's attack stacked, right? |

So is this right?

*Its four NORMAL bars added (+) with its four ELEMENTAL bars equal eight bars; which is obviously higher than Tempered Calibur's five normal attack bars.*