Short answer: Not really "sharper," but they're made differently to work better on carpet. Let me explain. Utility blades are flat and straight, built to slice through stuff like cardboard, plastic, or drywall-hard, flat things. They're sharp, sure, but their edge is angled for pushing straight down.
Carpet blades, though? They're often curved or hooked, with a slightly rounded edge. That shape lets them glide through thick carpet fibers and backing without getting stuck. Instead of "stabbing" through, they slice with a smooth, sweeping motion-kinda like a scalpel for fabric versus a blade for boxes.
That said, when they're new, both can be just as sharp. The difference is in how they work. A utility blade might catch on carpet fibers, leaving frayed edges, while a carpet blade slides through clean. It's like comparing a chef's knife (great for chopping veggies) to a fillet knife (perfect for slicing fish)-same sharpness, different jobs.
So if you're wondering which to use: grab a carpet blade for carpet, utility blade for everything else. Your hands (and your carpet's edges) will thank you.
