Thanks for the link! Let me revise my earlier comparison and explain...
When I purchased a reversible calf leather 35mm LV belt for my DH - it was around $650. At the time, a reversible swift/epsom 32mm H belt - was less than $750. Comparing the two directly... I found them comparable.
Both LV & Hermes carry a range of belts of varying durability (often reflected in the price, imo). So, while LV offers belts in canvas (and webbing)... Hermes offers belts in silk for men ("Capri"), too.
imo, comparing apples to apples (the
LV Boston to the H belt) - the belts are comparable. On the other hand - if you're comparing the belt in your link (40mm LV Initials Damier belt for $470) to the 42mm H belt (around $1,010) - the price difference is quite substantial. Also, this LV belt is composed of canvas w/nubuck lining, while an H belt composed of swift/epsom is calf on both sides.
Because these two belts are composed of different materials, they will wear differently. Depending on how easy you generally are on belts, the LV belt may wear beautifully. It's up to you, how you'd compare them. If the H buckle is important, than no LV belt will suffice. Regardless of the price difference.
On the other hand, I've been trying to convince my DH to try an Hermes belt (w/a Domino buckle, since neither of us are fans of the H/Constance buckle), but he really likes the quality of his LV Boston (35mm glazed)... and honestly, the width options w/H are not ideal (32 is too small; 40 too big). Oh well.
Will either belt last forever? No. They'll both need to be replaced eventually - depending on how much visible wear you can bear. And even if you just replace the strap (and not the buckle) to a 40mm H belt - it will still be more expensive than just replacing the 40mm LV Initials belt.
Sorry for the long post. I hope it helps. Good luck with your decision!