Arcane Warriors are much like Eldritch Knights in that they both are proficient with magic and with weaponry. The key difference between an Arcane Warrior and an Eldritch Knight is that an Eldritch Knight is a warrior first and a wizard second whereas an Arcane Warrior is a wizard first and a warrior second.

Might as well as Magic

Starting at 2nd level, you gain proficiency with light and medium armor as well as proficiency with all martial and simple weapons.

Arcane Strength

Starting at 2nd level, you can add your intelligence modifier to damage rolls for attacks with melee weapons.

Heart of a Warrior

At 6th level, when you use your action to cast a cantrip, you can make one weapon attack as a bonus action.

Heart of a Wizard

Beginning at 10th level, as with the Heart of a Warrior class feature whenever you cast a cantrip you can follow up the cantrip with a melee attack now you can do the same with leveled spells. Whenever you use your action to cast a spell, you can make one weapon attack as a bonus action.

The Might of Magic

Starting at 14th level, whenever you cast a cantrip or spell that has a weapon as a material component and requires that you make an attack with a weapon as part of the spell you get advantage on the attack roll and you add one additional die of damage to the damage dealt by the spell.