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Brunton TruArc 15 vs Garmin Forerunner 970

Weight and specs compared for 2026 — and which one to choose.

Brunton TruArc 15 is the lighter option — 16 g lighter than the Garmin Forerunner 970 (29% less weight). If grams matter to you, that is the one to beat.
Spec Brunton TruArc 15 Garmin Forerunner 970
Weight 40 g · 0.040 kg · 0.09 lb 56 g · 0.056 kg · 0.12 lb
Brand Brunton Garmin
Category Navigation Navigation
Brunton TruArc 15
40 g

Global needle compass. Works anywhere on Earth.

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Garmin Forerunner 970
56 g

AMOLED multisport GPS watch with multiband positioning, full color topo maps and turn-by-turn navigation for running, hiking and backpacking.

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Brunton TruArc 15 vs Garmin Forerunner 970: which should you buy?

If saving weight is your priority, the Brunton TruArc 15 wins — at 40 g it is 16 g (29%) lighter than the Garmin Forerunner 970 (56 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest navigation page, or browse the full gear weight database.

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