Verdict
Head-to-head · Best Adjustable Dumbbells Under $200

Core Adjustable Dumbbells vs SMRTFT Adjustable Dumbbell

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Core Adjustable Dumbbells comes out ahead by a narrow margin (4.6 vs 4.3). The gap is mostly about Users prioritizing speed of adjustment over precision — read the strengths below before deciding.

Core Adjustable Dumbbells
Higher ratedRanked #1 in Best Adjustable Dumbbells Under $200
Core Adjustable Dumbbells
7 sources2 derived$389.99as of Sep 20

The Core Home Fitness Adjustable Dumbbell Set offers fast, simple adjustments from 5 to 50 pounds with a twist of a handle. Reviewers praised its comfortable grip and ergonomic design that shortens as weight decreases. While the 5-pound increments are less precise than some competitors, the ease of use makes it ideal for most home gyms. Minor drawbacks include the need for careful alignment when re-racking and occasional sticking when lifting fully loaded weights.

Strengths
  • Adjusts from 5 to 50 pounds in seconds with a simple twist of a handle
  • Comfortable grip design
  • Ergonomic length that gets shorter as load decreases
Watch-outs
  • Weight increments are 5 pounds rather than 2.5 pounds
  • Requires careful alignment to rerack weights
SMRTFT Adjustable Dumbbell
Ranked #3 in Best Adjustable Dumbbells Under $200
SMRTFT Adjustable Dumbbell
7 sourcesall derived$598as of Sep 20

SMRTFT adjustable dumbbells provide a versatile weight range from 5 to 100 pounds, making them suitable for various fitness levels. Reviewers appreciate their compact design and quick weight adjustment feature, which enhances workout efficiency. However, some users have noted issues with the adjustment dial's durability over time. These dumbbells are ideal for home gym users seeking space-saving, functional equipment but may not be the best choice for those prioritizing long-term durability or aesthetic variety.

Strengths
  • Dumbbells offer a wide weight range from 5 to 100 pounds
  • Adjustment mechanism allows for quick weight changes during workouts
  • Compact design saves space in home gyms
Watch-outs
  • They cannot be dropped without risking damage
  • The 80lb model lacks a higher weight option

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Core Adjustable Dumbbells

The Core Adjustable Dumbbells offer the fastest adjustment mechanism compared to the Bowflex Results Series 552 SelectTech Dumbbells, which have a more complex dial system. However, unlike the PowerBlock Elite, it lacks the USA-made construction and magnetic selector. The Core also provides less precise weight increments than the SMRTFT Adjustable Dumbbell, which offers a wider weight range and more advanced features.

SMRTFT Adjustable Dumbbell

The SMRTFT Adjustable Dumbbell offers the widest weight range up to 100 lbs, surpassing the Core Adjustable Dumbbells and Lifepro PowerFlow Plus. However, it lacks the rapid-change mechanism of the MX Select MX55 and has a more limited weight increment precision than the PowerBlock Elite. Unlike the Yes4All Cast Iron set, it's more expensive but offers better adjustability and durability.

Specs side-by-side

SpecCore Adjustable DumbbellsSMRTFT Adjustable Dumbbell
Weight Range5-50 pounds5-100 lbs
Weight Increment5 lb5 lb
Adjustment MethodTwist handleTwist lock
MaterialMetalSteel
Grip TypeComfortableKnurled
Handle Materialcontoured soft-gripAluminum
Total Length14.5 in17 in
Dimensions14.5" L x 7.9" W x 7.5" H15"L x 7.5"W
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