Panasonic Electric Razor for Men, Cordless Wet Dry vs Panasonic Electric Razor for Men, Wet Dry Shaver
Updated August 2026 — Panasonic Electric Razor for Men, Wet Dry Shaver leads on charging and ease of use.
The ES3831K offers great value for budget-conscious consumers, while the ES-RM3B-A provides advanced features for a premium experience.
Why Panasonic Electric Razor for Men, Cordless Wet Dry is better
Price
ES3831K is significantly cheaper at $29.33
Weight
ES3831K is lightweight, under six ounces
Simplicity
ES3831K offers straightforward operation with AA batteries
Why Panasonic Electric Razor for Men, Wet Dry Shaver is better
Shaving Technology
ES-RM3B-A features a 3-blade cutting system
Charging
ES-RM3B-A has modern USB-C charging
Design
ES-RM3B-A offers a sleek and colorful design
Overall score
Specifications
| Spec | Panasonic Electric Razor for Men, Cordless Wet Dry | Panasonic Electric Razor for Men, Wet Dry Shaver |
|---|---|---|
| Blade Type | Single | Three |
| Waterproof | Yes | IPX7 |
| Battery Type | AA | USB-C |
| Hypoallergenic | Yes | Yes |
| Ergonomic | Yes | Yes |
Dimension comparison
Price Comparison
The Panasonic Electric Razor for Men, ES3831K, is significantly cheaper than the ES-RM3B-A model, priced at $29.33 compared to $64.99. This makes the ES3831K about 55% less expensive than the ES-RM3B-A. For budget-conscious consumers looking for an effective shaver, the ES3831K presents an attractive option without compromising on quality. However, the higher price of the ES-RM3B-A may reflect advanced features and technology that some users might find worthwhile.
Design and Ergonomics
In terms of design, both models boast ergonomic profiles that fit naturally in either hand. The ES3831K is lightweight, weighing less than six ounces, making it an excellent travel companion. On the other hand, the ES-RM3B-A showcases a sleek and colorful design, which may appeal to users looking for aesthetics alongside functionality. While both shavers are designed for comfort, the ES-RM3B-A offers a more modern appearance, enhancing the overall grooming experience.
Shaving Technology
The ES-RM3B-A features a sophisticated 3-blade cutting system powered by a motor that operates at 8,000 RPM, while the ES3831K has an 8,500 RPM motor. Both razors employ hypoallergenic stainless steel blades to minimize irritation, but the multi-blade system of the ES-RM3B-A is designed to provide a closer shave by following facial contours more effectively. For users with sensitive skin, the blade technology in the ES-RM3B-A might offer a more comfortable shaving experience.
Wet/Dry Shaving Capability
Both shavers provide the versatility of wet and dry shaving, allowing users to shave with or without shaving cream or gel. The ES3831K is fully immersible and 100% washable, making it easy to clean under running water. The ES-RM3B-A, boasting an IPX7 waterproof rating, can also be used in the shower, adding convenience for those who prefer to shave in wet conditions. This feature set makes both models suitable for various shaving preferences, though the ES-RM3B-A's design aims for a more luxurious experience.
Charging Convenience
The ES-RM3B-A offers modern charging convenience with USB-C compatibility, allowing for a full charge in just one hour, providing approximately 50 minutes of usage. In contrast, the ES3831K operates on two AA alkaline batteries, which are not included. This difference in charging method may be a crucial factor for users seeking hassle-free, rechargeable options, particularly for daily use. The USB-C feature of the ES-RM3B-A aligns with contemporary tech conveniences, making it more user-friendly for the modern consumer.
Maintenance and Cleaning
Both models emphasize easy maintenance with washable designs. The ES3831K can be rinsed under warm water, ensuring quick cleaning after use. It also comes with a maintenance brush to help remove stubborn stubble and foam. The ES-RM3B-A is similarly easy to maintain, with a design that allows for rinsing under water. However, the ES3831K's straightforward cleaning process might appeal to users looking for simplicity, especially in a travel scenario.
Performance and User Experience
Performance-wise, the ES3831K has a sales rank of 33,082, indicating it is a popular choice among users seeking a reliable and affordable shaver. The ES-RM3B-A, with a sales rank of 57,894, may not be as popular but offers advanced features that could enhance the shaving experience. Users of the ES-RM3B-A might appreciate the combination of performance and design, while those who prefer straightforward functionality may lean towards the ES3831K.
Which should you buy?
Ultimately, the choice between the Panasonic Electric Razor ES3831K and the ES-RM3B-A depends on individual needs and preferences. If budget and simplicity are your primary concerns, the ES3831K offers an excellent balance of affordability and performance. However, if you are looking for a more advanced shaving experience with modern features like a 3-blade system and USB-C charging, the ES-RM3B-A is worth the investment. Each model has its strengths, catering to different segments of users in the electric shaver market.

