LG WM3400CW 4.5 cu ft Front-Load Washer – vs Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top
Updated July 2026 — LG WM3400CW 4.5 cu ft Front-Load Washer – wins on efficiency and noise, Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top wins on speed and price.
The Samsung washer offers larger capacity and smart features, while the LG excels in quiet operation and energy efficiency. Choose based on your priorities.
Why LG WM3400CW 4.5 cu ft Front-Load Washer – is better
Price
LG is cheaper by $120
Energy Efficiency
LG is ENERGY STAR certified
Noise Levels
LG has superior quiet operation features
Why Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top is better
Capacity
Samsung has 1 cu. ft. more capacity
Washing Speed
Samsung can wash in 28 minutes
Smart Features
Samsung includes Wi-Fi connectivity
Overall score
Specifications
| Spec | LG WM3400CW 4.5 cu ft Front-Load Washer – | Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top |
|---|---|---|
| Washing Technology | 6Motion Technology | Super Speed Wash |
| Wi-Fi Connectivity | No | Yes |
| Vibration Control | TrueBalance | Vibration Reduction |
| Cycle Time | N/A | 28 minutes |
| Energy Star | Yes | No |
Dimension comparison
Capacity Comparison
When it comes to capacity, the Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top Load Washer offers a significant advantage over the LG WM3400CW 4.5 cu. ft. Front-Load Washer. With an additional 1 cu. ft. of space, the Samsung washer allows users to handle larger loads, making it ideal for families or those with bulky items. This additional capacity means fewer trips to the laundry room, which can save time and energy in the long run. The LG model, while still spacious, may require more frequent washing cycles for larger laundry needs.
Washing Technology
The LG WM3400CW employs 6Motion Technology, which utilizes up to six different wash motions to effectively clean clothes while minimizing wear on fabrics. This sophisticated technology is designed to provide a tailored washing experience, ensuring that even delicate items receive gentle treatment. On the other hand, the Samsung washer features Super Speed Wash, which claims to wash a full load in just 28 minutes without sacrificing performance. This rapid cycle can be particularly advantageous for those who need clean clothes in a hurry, making the Samsung a suitable choice for busy households.
Noise Levels
In terms of noise levels, the LG WM3400CW is equipped with LoDecibel Quiet Operation and a TrueBalance Anti-Vibration System, which work together to minimize noise during washing and spinning. This feature is particularly beneficial for homes or apartments where quiet operation is essential. Conversely, the Samsung washer also touts Vibration Reduction Technology+, designed to provide quieter washing experiences. Both machines aim to reduce noise, but the LG's dedicated quiet features may make it a better option for noise-sensitive environments.
Smart Features
The Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top Load Washer includes Wi-Fi connectivity, allowing users to control and monitor the washer through the SmartThings App. This feature enables remote starting, stopping, and scheduling cycles, adding convenience to the laundry process. The LG WM3400CW does not mention any smart features, which may be a drawback for tech-savvy users seeking a more connected experience. For those who value modern technology in their appliances, the Samsung may be more appealing.
Price Point
The LG WM3400CW is currently priced at $729.00, making it about 17% cheaper than the Samsung 5.5 cu. ft. model, which retails for $849.12. This price difference could be a significant factor for budget-conscious consumers. While both machines offer excellent functionality, the lower price of the LG may attract buyers looking for quality without breaking the bank. However, the additional features and capacity of the Samsung may justify its higher price for some users.
Sales Rank
When examining sales ranks, both washing machines are popular choices among consumers, with the LG WM3400CW holding a sales rank of 1297 and the Samsung 5.5 cu. ft. model slightly ahead at 1282. This indicates that both washers are well-regarded in the market, but the Samsung has a slight edge, suggesting that it may be favored by more buyers. This information can be useful for consumers seeking a reliable product, as higher sales ranks often indicate customer satisfaction.
Energy Efficiency
The LG WM3400CW is ENERGY STAR certified, which means it meets strict energy efficiency guidelines, helping to reduce utility costs. This certification is an important consideration for environmentally conscious consumers or those looking to save on energy bills. The Samsung washer does not specify energy efficiency certifications, which could raise questions for buyers concerned about long-term costs. Thus, the LG's energy-efficient design may be a deciding factor for eco-aware shoppers.
Which should you buy?
Deciding between the LG WM3400CW and the Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top Load Washer ultimately depends on individual needs and preferences. The LG model excels in quiet operation, energy efficiency, and a lower price point, making it a strong choice for those who prioritize these features. Conversely, the Samsung washer stands out with its larger capacity, smart connectivity, and rapid washing capabilities, appealing to users looking for modern conveniences. Consider your laundry habits and preferences to determine which washer aligns best with your lifestyle.

