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Casio's new $65 F-B100W holds its own against a 2024 Galaxy Watch7 in a step-count test

The Galaxy Watch7 was released nearly two years ago, while the F-B100W is much more recent. Both are different categories of wearables entirely, but both feature step trackers.
ⓘ Casio, Samsung - edited
The Galaxy Watch7 was released nearly two years ago, while the F-B100W is much more recent. Both are different categories of wearables entirely, but both feature step trackers.
A Reddit user manually counted 3,250 steps to test Casio's $65 F-B100W against a Galaxy Watch7 worn on the same wrist. The Casio overcounted by 3.60% and the Samsung by 2.37%, and the gap tightened up even further when the wearer stopped swinging his arm.

A Reddit user walked 3,250 manually counted steps wearing the newly launched Casio F-B100W and a Samsung Galaxy Watch7 (currently discounted to $159 on Amazon) on the same wrist, and the $65 Casio finished within 1.23 percentage points of the $299 Samsung (at retail, at least).

The Casio logged 3,367 steps across the walking tests, an overcount of 117, or 3.60%. The Galaxy Watch7 40mm logged 3,327, an overcount of 77, or 2.37%. Both ran long in every test. Neither ever ran short.

u/CastleRustle posted the results to r/casio on Wednesday after noticing that nobody had tested the F-B100W's accuracy. The watch just came out a couple of months ago. The user wore both watches together and swapped which one sat closer to his hand between runs, since wrist position changes what an accelerometer sees. He counted the real steps himself.

The odd result arrived when he stopped swinging his arm. Walking 1,000 steps with the watch arm restricted, the Casio counted 1,011 and the Galaxy 1,007. Both were tighter than in normal walking, which is the opposite of what he expected. Five minutes sitting at a desk produced no phantom steps from either watch.

"A dumb watch only being 1.3% off from a smartwatch is really close and statistically not significant," one commenter wrote. Others were blunter about why the test was needed, since people would keep asking whether the F-B100W is accurate every single day regardless.

Readers also accused the handwritten results table in the photo of being AI-generated. The user did clear it up: he had built the table on a computer and edited it into the shot. None of this is a controlled study. Only one person, one wrist, 3,250 steps. It is still more than anyone else has published.

Casio
ⓘ Casio
The F-B100W comes with a step tracker; it retails for $65.
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> Expert reviews and news on laptops, smartphones and tech innovations > News > News Archive > Newsarchive 2026 10 > Casio's new $65 F-B100W holds its own against a 2024 Galaxy Watch7 in a step-count test
Anubhav Sharma, 2026-10- 7 (Update: 2026-10- 7)