LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart vs Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top
Updated July 2026 — LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart wins on design and price, Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top wins on noise and speed.
Both washers offer great features, but the Samsung model edges out with faster cleaning and better smart functionalities.
Why LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart is better
Ergonomic Design
LG's EasyUnload design enhances user experience.
AI Technology
LG uses built-in AI for optimal wash settings.
Price
LG is slightly cheaper at $849.00.
Why Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top is better
Speed
Samsung's Super Speed Wash cleans in 28 minutes.
Smart Features
Samsung offers Wi-Fi connectivity with SmartThings App.
Noise Reduction
Samsung has Vibration Reduction Technology+ for quieter operation.
Overall score
Specifications
| Spec | LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart | Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top |
|---|---|---|
| Current Price | $849.00 | $849.12 |
| Sales Rank | 1817 | 1282 |
| Capacity | 5.5 cu. ft. | 5.5 cu. ft. |
| Wash Time | 29 min | 28 min |
| Smart App | ThinQ | SmartThings |
| Noise Tech | None | Vibration Reduction |
Dimension comparison
Overview of the LG WT8400CW and Samsung WA55CG7100AVUS
The LG WT8400CW and Samsung WA55CG7100AVUS are both 5.5 cu. ft. top load washers designed for efficiency and smart features. The LG model is priced at $849.00, while the Samsung comes in slightly higher at $849.12, making the LG about 0.01% cheaper. Both models cater to modern laundry needs, but they differ in specific capabilities and features that may influence your choice.
Design and Usability
The LG WT8400CW features an ergonomic EasyUnload design, allowing for comfortable access to the washer's contents. This design makes it easier to load and unload laundry without straining. On the other hand, the Samsung WA55CG7100AVUS incorporates a built-in Active WaterJet, which provides a convenient way to pretreat stained clothing directly in the washer. Both designs prioritize user-friendliness, but the LG emphasizes reachability while the Samsung focuses on integrated pretreatment.
Cleaning Performance
When it comes to cleaning efficiency, the Samsung WA55CG7100AVUS boasts Super Speed Wash, which can clean a full load in just 28 minutes without compromising performance. In comparison, the LG WT8400CW employs TurboWash3D Technology, delivering a powerful yet gentle clean in 29 minutes. While the cleaning times are almost identical, Samsung's model slightly edges out in speed, allowing users to finish their laundry just a minute faster.
Smart Features
Both washers come equipped with smart technology, but they cater to slightly different functionalities. The LG WT8400CW integrates with the ThinQ app, allowing users to control the washer remotely and select optimal wash settings through built-in AI technology. Alternatively, the Samsung WA55CG7100AVUS features Wi-Fi connectivity through the SmartThings App, which not only allows for remote control but also sends end-of-cycle alerts and scheduling options. Buyers looking for comprehensive smart functionalities may find Samsung's offering more user-friendly.
Capacity and Efficiency
Both washers have a generous 5.5 cu. ft. capacity, designed to handle larger loads, which means fewer trips to the laundry room. Samsung's model highlights its efficiency by emphasizing that less time in the laundry room translates to more time for personal activities. While both machines are comparable in capacity, the Samsung markets its extra-large capacity as a way to save time, which may be appealing for busy households.
Noise Levels
Noise reduction is a critical factor for many consumers, and the Samsung WA55CG7100AVUS claims to have Vibration Reduction Technology+, which minimizes noise and vibration during operation. This feature could be particularly beneficial in homes where the laundry room is near living spaces. The LG WT8400CW does not advertise any specific noise reduction technology but does provide an ergonomic design that could enhance user experience during operation. For consumers sensitive to noise, Samsung's quieter operation might be a decisive factor.
Price Comparison
The price difference between the LG WT8400CW and the Samsung WA55CG7100AVUS is negligible, with LG priced at $849.00 and Samsung at $849.12. This means that the Samsung is just $0.12 more expensive, making it roughly 0.01% pricier. With such a small difference in price, consumers may want to consider the additional features each model offers rather than focusing solely on cost.
Popularity and Sales Rank
In terms of popularity, the Samsung WA55CG7100AVUS holds a better sales rank at 1282 compared to the LG WT8400CW's rank of 1817. This suggests that the Samsung model may be more favored among consumers, potentially due to its additional features like Super Speed Wash and Wi-Fi connectivity. While sales rank is not the only indicator of quality, it can reflect consumer preferences and satisfaction.
Which should you buy?
Deciding between the LG WT8400CW and Samsung WA55CG7100AVUS ultimately depends on your specific laundry needs and preferences. If you prioritize ergonomics and AI technology, the LG may be the better choice. However, if speed, integrated pretreatment, and noise reduction are more important, the Samsung could be more suitable. With only a slight price difference and unique features on each side, carefully considering your laundry habits will guide you to the right washer for your home.

