LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart vs Samsung WA40A3005WPR White Top Load HE Washer/Dryer Pair
Updated July 2026 — LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart wins on sales rank and capacity, Samsung WA40A3005WPR White Top Load HE Washer/Dryer Pair wins on price and wash cycles.
The LG WT8400CW offers superior capacity and advanced technology at a lower price, making it a better choice for many consumers. However, the Samsung WA40A3005WPR provides a complete washer/dryer solution.
Why LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart is better
Price
LG is $450 cheaper than Samsung
Capacity
LG has 5.5 cu. ft. vs Samsung's 4.0 cu. ft.
Technology
LG features built-in AI technology
Why Samsung WA40A3005WPR White Top Load HE Washer/Dryer Pair is better
Complete Set
Samsung includes a dryer with the washer
Popularity
Samsung has a higher sales rank
Wash Cycles
Samsung offers 8 wash cycles vs LG's unspecified number
Overall score
Specifications
| Spec | LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart | Samsung WA40A3005WPR White Top Load HE Washer/Dryer Pair |
|---|---|---|
| Brand | LG | Samsung |
| Model | WT8400CW | WA40A3005WPR |
| Price | $849.00 | $1299.08 |
| Capacity | 5.5 cu. ft. | 4.0 cu. ft. |
| Dryer Included | No | Yes |
| AI Technology | Yes | No |
Dimension comparison
Overview of the LG WT8400CW and Samsung WA40A3005WPR
When comparing the LG WT8400CW 5.5 Cu. Ft. White Mega Capacity Smart Top Load Washer w/EasyUnload to the Samsung WA40A3005WPR White Top Load HE Washer/Dryer Pair, it's essential to note that the LG model is priced at $849.00, while the Samsung pair retails for $1,299.08. This marks a price difference of about 35%, making the LG model significantly cheaper. However, the Samsung offering includes both a washer and dryer, which may justify the higher cost for some consumers.
Design and Usability
The LG WT8400CW features an ergonomic EasyUnload design that allows for comfortable access to laundry without compromising capacity. Its reimagined top load design is complemented by electronic controls and a slam-proof glass lid, enhancing its usability. In contrast, the Samsung WA40A3005WPR washer has a 4.0 Cu. Ft. capacity and comes with 8 wash cycles and 5 temperature settings. While both models prioritize user-friendly designs, the LG's larger capacity of 5.5 cu. ft. offers more flexibility for larger loads, making it a better choice for families or those with significant laundry needs.
Technology and Features
The LG WT8400CW is equipped with built-in AI technology that automatically selects optimal wash settings, making it a smart choice for tech-savvy users. It also features TurboWash3D Technology, which ensures a powerful yet gentle clean in just 29 minutes. On the other hand, the Samsung WA40A3005WPR lacks detailed technological specifications, but it does provide multiple wash cycles and temperatures, allowing users to customize their washing experience. While both washers aim to enhance cleaning efficiency, the advanced AI capabilities of the LG model provide a distinct edge in terms of innovation.
Capacity and Performance
The LG WT8400CW boasts a mega capacity of 5.5 cu. ft., allowing users to wash larger loads, which can be a significant time-saver. In comparison, the Samsung WA40A3005WPR has a smaller capacity of 4.0 cu. ft. This difference means the LG can handle more laundry at once, making it ideal for larger families or those who prefer to do laundry less frequently. The LG’s performance is further enhanced by its TurboWash3D Technology, which cleans effectively in a shorter time frame compared to traditional washers.
Price and Value
At $849.00, the LG WT8400CW is priced about 35% lower than the Samsung WA40A3005WPR, which costs $1,299.08. This significant price difference could make the LG a more appealing option for budget-conscious consumers who still want a high-capacity washing machine. While the Samsung model includes a dryer, the LG’s advanced features and higher capacity might offer better overall value for those who primarily need a washing machine.
Sales Rank and Popularity
In terms of sales rank, the LG WT8400CW holds a rank of 1817, while the Samsung WA40A3005WPR ranks higher at 1173. This suggests that the Samsung model is more popular among consumers, possibly due to the convenience of the washer/dryer pair. However, it’s essential to consider that the sales rank can be influenced by various factors, including marketing and availability, rather than just performance or quality.
Maintenance and Care
Both the LG WT8400CW and Samsung WA40A3005WPR are designed for ease of maintenance, but specifics on maintenance routines are not provided. The LG model's AI technology may help in optimizing wash cycles and reducing wear and tear, potentially leading to less frequent maintenance needs. The Samsung model’s multiple wash cycles could also allow for tailored cleaning, which can be beneficial in maintaining the machine’s performance over time.
Which should you buy?
Ultimately, your choice between the LG WT8400CW and the Samsung WA40A3005WPR will depend on your specific needs and circumstances. If you prioritize a larger capacity, advanced technology, and a lower price point, the LG WT8400CW is an excellent choice. However, if you require both a washer and dryer and are willing to invest more for the convenience of a complete laundry solution, the Samsung WA40A3005WPR might be the better option. Consider your laundry habits, family size, and budget to make the most informed decision.

