Fenix HM65R V2.0 vs Fenix HM75R size comparison

HM65R V2.0 vs HM75R: how they differ

Size and weight

The Fenix HM65R V2.0 is the shorter light: 80 mm (3.15 in) against 91.1 mm (3.59 in), a difference of 11.1 mm (12%). At its widest point the Fenix HM65R V2.0 is 1 mm slimmer (52.5 vs 53.5 mm). The Fenix HM65R V2.0 is 177 g lighter (144 g vs 321 g, with battery and headband).

Brightness and throw

The Fenix HM65R V2.0 is rated brighter: 2,200 lm maximum vs 1,600 lm for the Fenix HM75R, 38% more. For beam distance the Fenix HM65R V2.0 reaches further: 230 m vs 223 m rated throw (3% more).

Battery

The Fenix HM65R V2.0 runs on a removable 18650 battery; the Fenix HM75R runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).

Price

When we checked on Nov 4, 2026, the Fenix HM65R V2.0 was $99.95 at fenixlighting.com and the Fenix HM75R from $114.95 at fenixlighting.com, so the Fenix HM65R V2.0 cost $15.00 less. Prices change often, so check the current price before you buy.

Type

Both are headlamps / right-angle lights in our catalog with a headlamp body.

Which should you buy?

Choose the Fenix HM65R V2.0 if you want a shorter light (11.1 mm shorter), less weight (177 g lighter) and more output (2,200 lm vs 1,600 lm). On the specs we track, the Fenix HM65R V2.0 is ahead or level everywhere; the Fenix HM75R makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.

Check price ↗ Fenix HM65R V2.0 Check price ↗ Fenix HM75R

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