Here is how these two headlamps compare on the numbers. The Perun 2 Mini takes a modest overall edge, led by brightness, but the UT27 Pro has its own case.
| Olight Perun 2 Mini | Nitecore UT27 Pro | |
|---|---|---|
| GearScore | 81✓ | 79 |
| Max lumens | 1100 lm✓ | 800 lm |
| Weight | 1.9 oz✓ | 2.6 oz |
| Beam distance | 150 m | 183 m✓ |
| Max runtime | 240 h | n/s |
| Price | $59✓ | $60 |
| Battery | Rechargeable | Rechargeable |
| Water rating | IPX8 | IP66 |
Highlighted cells mark the better spec: Perun 2 Mini in blue, UT27 Pro 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 UT27 Pro is a study in priorities. The Perun 2 Mini wins on brightness and low weight, and the UT27 Pro pushes back on longer throw.
The Perun 2 Mini is brighter (1100 vs 800 lm), 21 g lighter, and a little cheaper. The UT27 Pro is a longer beam (183 vs 150 m). 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 UT27 Pro if longer throw matter more to you, or you are focused on your priorities.
The Olight Perun 2 Mini. It is brighter (1100 vs 800 lm) than the UT27 Pro.
The Olight Perun 2 Mini. It is 21 g lighter than the UT27 Pro.
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 UT27 Pro for longer throw. The spec table above shows exactly where each wins.