Fenix HM75R vs Fenix HP35R size comparison
The Fenix HP35R is 3 mm (0.12 in) longer than the Fenix HM75R, and 3.9 mm wider at its widest point.
The Fenix HP35R is 3 mm (0.12 in) longer than the Fenix HM75R, and 3.9 mm wider at its widest point.
Dimensions
| Fenix HM75R Check price ↗ | Fenix HP35R Check price ↗ | |
| Length | 91.1 mm (3.59 in) | 94.1 mm (3.70 in)+3 mm |
| Height | 53.5 mm (2.11 in) | 57.4 mm (2.26 in)+3.9 mm |
| Thickness | 41 mm (1.61 in) | 48.7 mm (1.92 in)+7.7 mm |
| Weight | 321 g with battery and headband | — |
| Battery | 21700 | Built-in |
| Max output | 1,600 lm | 4,000 lm |
| Throw | 223 m | 450 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | from $114.95 at fenixlighting.com, as of Nov 4, 2026 | $229.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Lamp unit only; separate battery case 107.7 x 28 x 28 mm | fenixlighting.com sourced Standard lamp unit (94.1 x 48.7 x 57.4 mm); SAR version 99.4 x 53.4 x 54.7 mm; separate 10000 mAh battery case |
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HM75R vs HP35R: how they differ
Size and weight
The Fenix HM75R is the shorter light: 91.1 mm (3.59 in) against 94.1 mm (3.70 in), a difference of 3 mm (3%). At its widest point the Fenix HM75R is 3.9 mm slimmer (53.5 vs 57.4 mm).
Brightness and throw
The Fenix HP35R is rated brighter: 4,000 lm maximum vs 1,600 lm for the Fenix HM75R, 150% more. For beam distance the Fenix HP35R reaches further: 450 m vs 223 m rated throw (102% more).
Battery
The Fenix HM75R runs on a removable 21700 battery; the Fenix HP35R runs on a built-in rechargeable battery. Only the Fenix HM75R lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix HM75R was from $114.95 at fenixlighting.com and the Fenix HP35R $229.95 at fenixlighting.com, so the Fenix HM75R cost $115.00 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 HM75R if you want a shorter light (3 mm shorter), a slimmer profile (3.9 mm narrower) and a removable cell you can swap. Choose the Fenix HP35R if you want more output (4,000 lm vs 1,600 lm), longer throw (450 m vs 223 m) and a built-in battery with no separate cell to buy. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix HM75R Check price ↗ Fenix HP35R
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HM75R vs HP35R FAQ
Which is smaller, the Fenix HM75R or the Fenix HP35R?
The Fenix HM75R is the shorter light: 91.1 mm (3.59 in) against 94.1 mm (3.70 in), a difference of 3 mm (3%). At its widest point the Fenix HM75R is 3.9 mm slimmer (53.5 vs 57.4 mm).
Which is brighter, the Fenix HM75R or the Fenix HP35R?
The Fenix HP35R is rated brighter: 4,000 lm maximum vs 1,600 lm for the Fenix HM75R, 150% more. For beam distance the Fenix HP35R reaches further: 450 m vs 223 m rated throw (102% more).
Which is cheaper, the Fenix HM75R or the Fenix HP35R?
When we checked on Nov 4, 2026, the Fenix HM75R was from $114.95 at fenixlighting.com and the Fenix HP35R $229.95 at fenixlighting.com, so the Fenix HM75R cost $115.00 less. Prices change often, so check the current price before you buy.
Do the Fenix HM75R and Fenix HP35R use the same battery?
The Fenix HM75R runs on a removable 21700 battery; the Fenix HP35R runs on a built-in rechargeable battery. Only the Fenix HM75R lets you swap in a charged spare.
Compare Fenix HM75R with similar lights
Compare Fenix HP35R with similar lights
More
Sources
- Fenix HM75R: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price from $114.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix HP35R: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price $229.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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