SMRTFT
SMRTFT NUOBELL 80lb Adjustable Dumbbells
$845
Best Adjustable Dumbbells · head-to-head
A sourced, side-by-side comparison. Yes4All 40 lb Adjustable Cast Iron Dumbbell Set is cheaper at $60. Every spec and price links to its source.
SMRTFT
$845
Yes4All
$60Cheaper
The Yes4All 40 lb Adjustable Cast Iron Dumbbell Set wins 1 of the 1 specs we compare head to head; the other wins 0. The Yes4All 40 lb Adjustable Cast Iron Dumbbell Set is the cheaper at $60. The Yes4All 40 lb Adjustable Cast Iron Dumbbell Set both leads on specs and costs less — the straightforward pick.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $845 | $60 |
| Brand | SMRTFT | Yes4All |
| Released | — | — |
| Weight range (lb) | 5–80 | up to 20 (per dumbbell) |
| Increments (lb) | 5 | 2.5 and 5 (depends on plate combination) |
| Adjustment type | twist | pin |
| Sold as | pair | pair |
| Max per dumbbell (lb) | 80 | 20 |
| Weight settings | 16 | — |
| Expandable | No | No |
Sources — SMRTFT NUOBELL 80lb Adjustable Dumbbells: smrtft.com (verified 2026-06-27). Yes4All 40 lb Adjustable Cast Iron Dumbbell Set: amazon.com (verified 2026-06-15).
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.