Pick any two headlamps and see them side by side on every published spec. Max lumens is peak output, weight is what you wear, beam distance is throw, and the better spec in each row is highlighted. Runtime is shown for context and never counts as a win. A blank spec never wins.
Left headlamp BioLite Dash 450 BioLite HeadLamp 425 BioLite HeadLamp 800 Pro BioLite Range 400 Black Diamond Astro 300 Black Diamond Cosmo 350 Black Diamond Deploy 325 Black Diamond Distance 1500 Black Diamond Distance LT 1100 Black Diamond Spot 400 Black Diamond Spot 400-R Black Diamond Sprinter 500 Black Diamond Storm 450 Black Diamond Storm 500-R Coast FL75R Coast FL97R Fenix HM50R V2.0 Fenix HM60R V2.0 Fenix HM65R-T V2.0 Fenix HM70R Ledlenser HF6R Signature Ledlenser HF8R Core Ledlenser MH11 Ledlenser MH5 Nitecore HC33 Nitecore NU25 UL Nitecore NU27 Nitecore NU31 Nitecore UT27 Pro Olight Perun 2 Olight Perun 2 Mini Petzl Actik Petzl Actik Core Petzl Bindi Petzl e+LITE Petzl Iko Core Petzl Nao RL Petzl Swift LT Petzl Swift RL Petzl Tikka Petzl Tikkina Princeton Tec Axis Princeton Tec Byte Princeton Tec Vizz
⇄
Right headlamp BioLite Dash 450 BioLite HeadLamp 425 BioLite HeadLamp 800 Pro BioLite Range 400 Black Diamond Astro 300 Black Diamond Cosmo 350 Black Diamond Deploy 325 Black Diamond Distance 1500 Black Diamond Distance LT 1100 Black Diamond Spot 400 Black Diamond Spot 400-R Black Diamond Sprinter 500 Black Diamond Storm 450 Black Diamond Storm 500-R Coast FL75R Coast FL97R Fenix HM50R V2.0 Fenix HM60R V2.0 Fenix HM65R-T V2.0 Fenix HM70R Ledlenser HF6R Signature Ledlenser HF8R Core Ledlenser MH11 Ledlenser MH5 Nitecore HC33 Nitecore NU25 UL Nitecore NU27 Nitecore NU31 Nitecore UT27 Pro Olight Perun 2 Olight Perun 2 Mini Petzl Actik Petzl Actik Core Petzl Bindi Petzl e+LITE Petzl Iko Core Petzl Nao RL Petzl Swift LT Petzl Swift RL Petzl Tikka Petzl Tikkina Princeton Tec Axis Princeton Tec Byte Princeton Tec Vizz