Fenix HM75R PRO vs Fenix TK21R
Fenix HM75R PRO ($139.95) vs Fenix TK21R ($134.95) — side-by-side specs, weight, pros and cons to help you pick the right headlamp.
Spec-by-spec
| Spec | Fenix HM75R PRO | Fenix TK21R |
|---|---|---|
| Price | $139.95 | $134.95 |
| Weight | 214g | 221.4g |
| Output | 3,500 lumens, 398 m | 3,600 lumens, 480 m |
| LED | SFT90X spot, two SST25 flood, OSRAM red | One Luminus SFT90 |
| Modes | Sixteen including combined spot-flood and red flash | Five lighting modes including four brightness levels and Strobe |
| Battery | 5500mAh included, USB-C | 6000mAh rechargeable li-ion battery |
| Runtime | 516 h max | 72 hours 30 minutes max |
| Rating | IP68, 2 m impact | — |
| Body | Magnesium alloy lamp body | — |
| Weight | 214g incl. battery and headband (fenixlighting.com spec text) | 221.4g incl. battery (fenixlighting.com spec text: 7.81 oz. (221.4g) including battery) |
| Size | — | Length 159.5 mm, Head 36 mm, Body 25.4 mm |
Pros & Cons
Fenix HM75R PRO
- 398 m of throw from a headlamp
- Magnesium-alloy lamp body
- Combined spot and flood modes
- Battery included
- $139.95
- Sixteen modes is a lot to cycle through
Fenix TK21R
- 3,600 lumens and 480 m of throw
- Runs on 6000mAh rechargeable li-ion battery
- 221.4 g with the battery
- Limited lifetime guarantee from Fenix Lighting USA
- 221.4 g is heavy for a pocket
- Fenix's 72 hours 30 minutes runtime is its longest figure, normally at the lowest level, not at full output
Fenix TK21R is the better value at $134.95. If weight matters most, Fenix HM75R PRO carries lighter at 214g. Both are part of our curated headlamp index — tap through to check current pricing.