Quick takeaway
LG WM3900HBA 4.5 Cu Ft leads this matchup 3 to 0 on measured spec rows and by 100 points overall. Magic Chef MCSTCW21W4 2.1 is also about $80.00 cheaper at the latest tracked price.
LG WM3900HBA 4.5 Cu Ft vs Magic Chef MCSTCW21W4 2.1
Choose LG WM3900HBA 4.5 Cu Ft if...
Pick LG WM3900HBA 4.5 Cu Ft if spin speed, model number, and cycles are the reasons you are shopping in this category. It currently costs about $80.00 more, so make sure those wins matter to you.
Choose Magic Chef MCSTCW21W4 2.1 if...
Pick Magic Chef MCSTCW21W4 2.1 if its current price, brand, or design fits your shortlist better than LG WM3900HBA 4.5 Cu Ft.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Performance
| Spec | LG WM3900HBA 4.5 Cu Ft | Magic Chef MCSTCW21W4 2.1 |
|---|---|---|
| Motor | Direct-drive inverter | - |
| Spin Speed | 1300 RPM spin speed ✓ | 1200 RPM spin speed |
Dimensions
| Spec | LG WM3900HBA 4.5 Cu Ft | Magic Chef MCSTCW21W4 2.1 |
|---|---|---|
| Capacity | 4.5 cu ft | - |
General
| Spec | LG WM3900HBA 4.5 Cu Ft | Magic Chef MCSTCW21W4 2.1 |
|---|---|---|
| Brand | LG | Magic Bullet |
| Category | Washing machine | Washing machine |
| Model Number | WM3900HBA ✓ | MCSTCW21W4 |
| Type | Front load | Front load |
The verdict
Based on 10 spec comparisons plus user ratings, the LG WM3900HBA 4.5 Cu Ft comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the LG WM3900HBA 4.5 Cu Ft vs Magic Chef MCSTCW21W4 2.1 score measuring?
VSFinder compares 8 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $899.99 for LG WM3900HBA 4.5 Cu Ft and $819.99 for Magic Chef MCSTCW21W4 2.1.