PowerBlock Pro 50 Adjustable Dumbbells vs SMRTFT NUOBELL 80 Adjustable Dumbbells
PowerBlock Pro 50 Adjustable Dumbbells (#2, best premium) vs SMRTFT NUOBELL 80 Adjustable Dumbbells (#3): in our Adjustable Dumbbells scoring the PowerBlock Pro 50 Adjustable Dumbbells totals 8.3/10 and the SMRTFT NUOBELL 80 Adjustable Dumbbells 7.8/10.
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TopsFive comparison scores
Side by side
| PowerBlock Pro 50 Adjustable Dumbbells | SMRTFT NUOBELL 80 Adjustable Dumbbells | |
|---|---|---|
| Price | $549 | $780 |
| Weight Range | 5-50 lbs each | 5-80 lbs each |
| Increments | 2.5 & 5 lbs | 5 lbs (16 settings) |
| Dimensions | 13" x 7" x 7.25" | 17" x 7.5" x 7.5" |
| Adjustment | Magnetic selector pin | Patented twist-lock |
| Material | Urethane-coated steel | — |
| Handle | — | 32mm knurled aluminum |
How they differ in real use
Built from our adjustable dumbbells scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the PowerBlock Pro 50 Adjustable Dumbbells and the SMRTFT NUOBELL 80 Adjustable Dumbbells made our Top 5 Adjustable Dumbbells, at #2 (best premium) and #3. Premium urethane-coated steel with contoured TPR grip and fine 2.5 lb increments. Same proven PowerBlock selector pin in a refined package with 5-year warranty. Closest to traditional dumbbell feel with fastest twist-and-go adjustment. 5-80 lb range is the highest in this group—but not drop-friendly and only 2-year warranty.
We score adjustable dumbbells on Motion Quality (35%), Build Quality (25%), Features (20%), Footprint (10%) and Value (10%). On that basis the PowerBlock Pro 50 Adjustable Dumbbells totals 8.3 out of 10 and the SMRTFT NUOBELL 80 Adjustable Dumbbells 7.8. The widest gap is Build Quality, where the PowerBlock Pro 50 Adjustable Dumbbells scores 9 against 7 for the SMRTFT NUOBELL 80 Adjustable Dumbbells — materials, mechanism robustness, warranty. Motion Quality also separates them: 9 for the SMRTFT NUOBELL 80 Adjustable Dumbbells versus 8 for the PowerBlock Pro 50 Adjustable Dumbbells.
On paper, the specifications that actually differ: Weight Range — 5-50 lbs each on the PowerBlock Pro 50 Adjustable Dumbbells versus 5-80 lbs each on the SMRTFT NUOBELL 80 Adjustable Dumbbells; Increments — 2.5 & 5 lbs on the PowerBlock Pro 50 Adjustable Dumbbells versus 5 lbs (16 settings) on the SMRTFT NUOBELL 80 Adjustable Dumbbells; Dimensions — 13" x 7" x 7.25" on the PowerBlock Pro 50 Adjustable Dumbbells versus 17" x 7.5" x 7.5" on the SMRTFT NUOBELL 80 Adjustable Dumbbells; Adjustment — Magnetic selector pin on the PowerBlock Pro 50 Adjustable Dumbbells versus Patented twist-lock on the SMRTFT NUOBELL 80 Adjustable Dumbbells.
Pricing as of February 19, 2026: $549 for the PowerBlock Pro 50 Adjustable Dumbbells and $780 for the SMRTFT NUOBELL 80 Adjustable Dumbbells, a $231 difference in the PowerBlock Pro 50 Adjustable Dumbbells's favor. Owners praise the PowerBlock Pro 50 Adjustable Dumbbells for urethane-coated steel (premium durability) and contoured TPR grip; the most common complaint is not expandable beyond 50 lbs. Owners praise the SMRTFT NUOBELL 80 Adjustable Dumbbells for traditional dumbbell shape and feel and fastest twist-and-go adjustment; the most common complaint is not drop-friendly (polymer shell).
PowerBlock Pro 50 Adjustable Dumbbells
- Urethane-coated steel (premium durability)
- Contoured TPR grip
- 2.5 lb micro-increments throughout
- 5-year residential warranty
- Not expandable beyond 50 lbs
- Premium price ($549)
- Caged design limits some movements
SMRTFT NUOBELL 80 Adjustable Dumbbells
- Traditional dumbbell shape and feel
- Fastest twist-and-go adjustment
- 5-80 lb range (highest in group)
- 32mm knurled aluminum handle
- Not drop-friendly (polymer shell)
- Only 5 lb increments
- 2-year warranty (shorter than PowerBlock)
Which should you buy?
The PowerBlock Pro 50 Adjustable Dumbbells is the better fit for premium material seekers and those wanting fine increments — it is the higher-scoring pick here, chiefly for Build Quality and Footprint. The SMRTFT NUOBELL 80 Adjustable Dumbbells is the better fit for those wanting traditional dumbbell feel and advanced lifters needing 80 lbs, and the stronger choice if Motion Quality matters more to you than the overall score. Since the PowerBlock Pro 50 Adjustable Dumbbells is both the higher scorer and $231 cheaper, the SMRTFT NUOBELL 80 Adjustable Dumbbells only makes sense for those wanting traditional dumbbell feel. The PowerBlock Pro 50 Adjustable Dumbbells is a poor fit for those needing 50+ lbs per hand; the SMRTFT NUOBELL 80 Adjustable Dumbbells is a poor fit for drop-set enthusiasts.
Choose the PowerBlock Pro 50 Adjustable Dumbbells if
- Premium material seekers
- Those wanting fine increments
- Compact home gym setups
Skip it if
- Those needing 50+ lbs per hand
- Budget shoppers
Choose the SMRTFT NUOBELL 80 Adjustable Dumbbells if
- Those wanting traditional dumbbell feel
- Advanced lifters needing 80 lbs
- Fast weight-change workouts
Skip it if
- Drop-set enthusiasts
- Those needing 2.5 lb increments
Common questions
Is the PowerBlock Pro 50 Adjustable Dumbbells better than the SMRTFT NUOBELL 80 Adjustable Dumbbells?
In our Adjustable Dumbbells ranking the PowerBlock Pro 50 Adjustable Dumbbells scores higher overall, 8.3 to 7.8, with the biggest advantage in Build Quality. The SMRTFT NUOBELL 80 Adjustable Dumbbells is stronger on Motion Quality, so it is the better pick if that matters most to you.
How much more does the SMRTFT NUOBELL 80 Adjustable Dumbbells cost than the PowerBlock Pro 50 Adjustable Dumbbells?
$231 more as of February 19, 2026: $780 for the SMRTFT NUOBELL 80 Adjustable Dumbbells against $549 for the PowerBlock Pro 50 Adjustable Dumbbells. Prices move, so the merchant page shows the current figure.
What is the main difference between the PowerBlock Pro 50 Adjustable Dumbbells and the SMRTFT NUOBELL 80 Adjustable Dumbbells?
The headline spec difference is Weight Range: 5-50 lbs each on the PowerBlock Pro 50 Adjustable Dumbbells versus 5-80 lbs each on the SMRTFT NUOBELL 80 Adjustable Dumbbells. In use, the gap that matters most is Build Quality (9 vs 7 in our scoring): materials, mechanism robustness, warranty.