Two headlamps worth lining up side by side. The Cosmo 350 takes a modest overall edge, led by brightness, but the Tikkina has its own case.
| Black Diamond Cosmo 350 | Petzl Tikkina | |
|---|---|---|
| GearScore | 73✓ | 70 |
| Max lumens | 350 lm✓ | 300 lm |
| Weight | 2.7 oz✓ | 3.2 oz |
| Beam distance | 70 m✓ | 65 m |
| Max runtime | 200 h | 120 h |
| Price | $30 | $20✓ |
| Battery | AAA | AAA |
| Water rating | IPX8 | IPX4 |
Highlighted cells mark the better spec: Cosmo 350 in blue, Tikkina in amber. A blank spec is never counted as a win. Runtime is shown for context and is not scored, since makers publish it at different brightness levels. GearScore is the overall rating (0 to 100); re-weight it on the full headlamp comparison. Prices are current MSRP.
The Black Diamond Cosmo 350 and Petzl Tikkina take different routes to the same job. The Cosmo 350 wins on brightness and low weight, and the Tikkina pushes back on price.
The Cosmo 350 is brighter (350 vs 300 lm), 15 g lighter, and a longer beam (70 vs 65 m). The Tikkina is $10 cheaper. On the default GearScore the Cosmo 350 leads 73 to 70.
Pick the Cosmo 350 if you care most about brightness and low weight, which makes it the better call for your priorities. Pick the Tikkina if price matter more to you, or you are focused on getting the most for your money.
The Black Diamond Cosmo 350. It is brighter (350 vs 300 lm) than the Tikkina.
The Black Diamond Cosmo 350. It is 15 g lighter than the Tikkina.
The Black Diamond Cosmo 350, 73 to 70 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Cosmo 350 for brightness, or the Tikkina for price. The spec table above shows exactly where each wins.