Here is how these two headlamps compare on the numbers. The Perun 2 Mini takes a modest overall edge, led by brightness, but the NU27 has its own case.
| Olight Perun 2 Mini | Nitecore NU27 | |
|---|---|---|
| GearScore | 81✓ | 79 |
| Max lumens | 1100 lm✓ | 600 lm |
| Weight | 1.9 oz✓ | 2.0 oz |
| Beam distance | 150 m✓ | 123 m |
| Max runtime | 240 h | 57 h |
| Price | $59 | $45✓ |
| Battery | Rechargeable | Rechargeable |
| Water rating | IPX8 | n/s |
Highlighted cells mark the better spec: Perun 2 Mini in blue, NU27 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 Olight Perun 2 Mini against the Nitecore NU27 is a study in priorities. The Perun 2 Mini wins on brightness and low weight, and the NU27 pushes back on price.
The Perun 2 Mini is brighter (1100 vs 600 lm), 3 g lighter, and a longer beam (150 vs 123 m). The NU27 is $14 cheaper. On the default GearScore the Perun 2 Mini leads 81 to 79.
Pick the Perun 2 Mini if you care most about brightness and low weight, which makes it the better call for your priorities. Pick the NU27 if price matter more to you, or you are focused on getting the most for your money.
The Olight Perun 2 Mini. It is brighter (1100 vs 600 lm) than the NU27.
The Olight Perun 2 Mini. It is 3 g lighter than the NU27.
The Olight Perun 2 Mini, 81 to 79 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Perun 2 Mini for brightness, or the NU27 for price. The spec table above shows exactly where each wins.