Panasonic Electric Razor for Men, Cordless Wet Dry vs Panasonic ES-RT51-S Arc3 Wet/Dry 3-Blade Pivoting
Updated August 2026 — Panasonic Electric Razor for Men, Cordless Wet Dry wins on price, Panasonic ES-RT51-S Arc3 Wet/Dry 3-Blade Pivoting wins on weight and blade count.
The Panasonic ES-RT51-S offers advanced features for a closer shave, while the ES3831K is a budget-friendly option. Choose based on your shaving needs.
Why Panasonic Electric Razor for Men, Cordless Wet Dry is better
Price
ES3831K is significantly cheaper at $29.33
Weight
ES3831K is lightweight at under six ounces
Simplicity
ES3831K has a straightforward design for easy use
Why Panasonic ES-RT51-S Arc3 Wet/Dry 3-Blade Pivoting is better
Performance
ES-RT51-S has a 10,000 rpm motor for better shaving
Blade Technology
ES-RT51-S features advanced nanotech blades
Display
ES-RT51-S includes a 5-stage LCD for battery life
Overall score
Specifications
| Spec | Panasonic Electric Razor for Men, Cordless Wet Dry | Panasonic ES-RT51-S Arc3 Wet/Dry 3-Blade Pivoting |
|---|---|---|
| Motor RPM | 8500 | 10000 |
| Blade Type | Single Blade | 3-Blade |
| Wet/Dry Use | Yes | Yes |
| Rechargeable | No | Yes |
| Cleaning Method | Rinse | Rinse |
Dimension comparison
Overview of the Panasonic Electric Razors
When comparing the Panasonic Electric Razor for Men and the Panasonic ES-RT51-S Arc3, there are notable differences in design, features, and pricing. The ES3831K is priced at $29.33, making it about 67% cheaper than the ES-RT51-S, which is offered at $89.99. This price disparity points to differences in features that may justify the higher cost of the ES-RT51-S.
Design and Ergonomics
The Panasonic Electric Razor for Men has a sleek and ergonomic profile, designed for maximum comfort and control during use. Weighing less than six ounces, it is lightweight, making it an ideal companion for travel or gym use. On the other hand, the ES-RT51-S boasts a flexible pivoting head that conforms to the contours of the face, providing a more tailored shave. This additional feature can enhance the shaving experience, especially for those with distinctive facial structures.
Shaving Performance
In terms of shaving performance, the Panasonic Electric Razor for Men operates at a robust 8,500 rpm motor drive, ensuring fast and evenly distributed power. Conversely, the ES-RT51-S features a more powerful 10,000 rpm motor and a 3-blade cutting system, which allows for a faster, smoother, and closer shave. The 30-degree inner blades of the ES-RT51-S are designed to cut hair at its base, offering a significant advantage for users seeking a closer shave.
Wet/Dry Functionality
Both electric razors offer wet/dry functionality, allowing users to shave with or without shaving cream or gel. The Panasonic Electric Razor for Men is fully immersible and washable, making it easy to maintain. Meanwhile, the ES-RT51-S is not only waterproof but also provides a pampering experience when used with foam or gel. The added flexibility of using the ES-RT51-S in wet conditions may appeal to users who prefer a more luxurious shaving routine.
Maintenance and Cleanability
Both models are designed for easy cleaning, but they differ in their approaches. The Panasonic Electric Razor for Men can be rinsed under running water, ensuring quick maintenance. It comes with a maintenance brush for stubborn foam or stubble. The ES-RT51-S also offers a 100% waterproof build and can be rinsed clean under running water, but it features a more advanced design with nanotech blades that require regular upkeep to maintain optimal performance.
Battery Life and Charging
The Panasonic Electric Razor for Men is powered by two AA alkaline batteries, which are not included. This design allows for easy replacement, but it may not be as convenient as rechargeable options. In contrast, the ES-RT51-S is rechargeable and includes a 5-stage LCD display to keep users informed of battery life. This feature is particularly useful for those who prefer to track their shaver's readiness and avoid unexpected downtime.
Price Comparison
The price difference between these two products is significant, with the Panasonic Electric Razor for Men retailing at $29.33 and the ES-RT51-S at $89.99. This represents a difference of about $60, or approximately 67%. The lower price of the ES3831K may attract budget-conscious consumers, while the additional features of the ES-RT51-S may justify its premium price for those who prioritize advanced shaving technology.
Which should you buy?
Ultimately, the choice between the Panasonic Electric Razor for Men and the Panasonic ES-RT51-S Arc3 depends on individual needs and preferences. If you are looking for an economical, lightweight option primarily for travel, the ES3831K is a solid choice. However, if you prioritize a closer shave with advanced features like a pivoting head and nanotech blades, the ES-RT51-S may be worth the investment. Consider your shaving habits and budget to make the best decision.

