← Gear database
Black Diamond Spot 400 vs Petzl Swift RL Headlamp
Weight and specs compared for 2026 — and which one to choose.
Petzl Swift RL Headlamp is the lighter option — 3 g lighter than the Black Diamond Spot 400 (3% less weight). If grams matter to you, that is the one to beat.
Black Diamond Spot 400
95 g
400-lumen headlamp with strobe mode and IPX8 waterproofing.
Full details →Petzl Swift RL Headlamp
92 g
Rechargeable 1200-lumen headlamp with reactive lighting technology that automatically adjusts brightness based on ambient conditions. USB-C charging.
Check price Full details →Black Diamond Spot 400 vs Petzl Swift RL Headlamp: which should you buy?
If saving weight is your priority, the Petzl Swift RL Headlamp wins — at 92 g it is 3 g (3%) lighter than the Black Diamond Spot 400 (95 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest lighting page, or browse the full gear weight database.