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Casio Pro Trek PRG-340 vs GoPro HERO Compact Action Camera

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

Casio Pro Trek PRG-340 is the lighter option — 20 g lighter than the GoPro HERO Compact Action Camera (23% less weight). If grams matter to you, that is the one to beat.
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Spec Casio Pro Trek PRG-340 GoPro HERO Compact Action Camera
Weight 66 g · 0.066 kg · 0.15 lb 86 g · 0.086 kg · 0.19 lb
Brand Casio GoPro
Category Electronics Electronics
Casio Pro Trek PRG-340
66 g

Solar-powered outdoor watch with triple sensor.

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GoPro HERO Compact Action Camera
86 g

Ultra-compact 4K camera, 3.04oz, 35% smaller and 46% lighter than HERO13 Black

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Casio Pro Trek PRG-340 vs GoPro HERO Compact Action Camera: which should you buy?

If saving weight is your priority, the Casio Pro Trek PRG-340 wins — at 66 g it is 20 g (23%) lighter than the GoPro HERO Compact Action Camera (86 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 electronics page, or browse the full gear weight database.

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