Waterpik WP-450 vs WP-100 Full Comparison

Waterpik WP-450 vs WP-100

This is a battle between two very different Waterpik flossing devices.

On one hand, there’s the Waterpik WP-450, a cordless, handheld oral irrigator ideal for traveling. On the other, there’s the Waterpik WP-100, a 1.48-lb. countertop water flosser with a 22-ounce reservoir.

From that alone, you must have made up your mind as to which model you’re going to purchase. But we promised a full comparison, so let’s give it to you in this Waterpik WP-450 vs WP-100 report.

Also Read: Waterpik WP-660 vs WP-662 Comparison

Comparison Chart: Waterpik WP-450 vs WP-100

Let’s start with this chart.

Waterpik Water Flosser
Model Check Price » Waterpik WP-450 Check Price » Waterpik WP-100
Other Name Cordless Plus Ultra
Type Cordless, handheld Electric, countertop
Pressure Range 45 To 75 PSI (3.160 To 5.270 Kg/Cm2) 10 To 100 PSI (0.703 To 7.030 Kg/Cm2)
Flow Rate Per Minute 10 Ounces (300 ML) 13 Ounces (400 ML)
Pulses Per Minute 1450 1400
Number Of Pressure Settings 2 10
Included Flosser Tips 4 6
Water On/Off Switch On Handle On/Off Slider Push Button
Chrome Accents
Rotating Tip 360 Degree 360 Degree
Massage Mode
LED Function Indicator
Reservoir 7 Ounces (210 ML) 22 Ounces (650 ML)
Flossing Time 45 seconds 90 seconds
Covered Reservoir
Weight 0.74 Lbs (0.337 Kg) 1.48 Lbs (0.670 Kg)
Dimensions 11.65 (H) x 2.74 (W) x 3.80 (B) inches 9.90 (H) x 5.60 (W) x 5.30 (B) inches

Key Differences

Here, we list down these water flossers’ main differences.

Design and Type

The most notable difference between these two Waterpiks is the type of flossers they’re classified as.

The Waterpik WP-450, also known as Cordless Plus, is a handheld oral irrigator that runs on a rechargeable NiMH battery. It weighs only 0.74 lbs, making it a good water flosser for travelers. Waterpik says that it’s also ideal for bathrooms with a limited space.

The Waterpik WP-100, also known as Ultra, is classified as a countertop flosser. It’s meant to be stationary, and weighs 1.48 lbs.

Both of these Waterpik water flossers have a tip that can rotate to a full 360-degree angle. However, they’re not equipped with advanced features such as chrome accents, a timer, a massage mode, and an LED function indicator.

Power and Pressure

Overall, the Waterpik WP-100 has more power than the Waterpik WP-450.

Based on the data we’ve gathered, it can give out a jet of water with a pressure that measures up to 100 PSI. On the other hand, the Waterpik WP-450 has a pressure range of 45 to 75 PSI.

Let’s not forget to mention that the WP-100 comes with 10 pressure settings to choose from. The Waterpik WP-450 offers only 2 pressure options.

Flossing Time

Which one has a bigger water tank?

It’s the Waterpik WP-100, whose reservoir has a 22-ounce capacity, giving you up to 90 seconds of flossing time. The Waterpik WP-450, on the other hand, has a small water tank, which can fill only up to 7 ounces of water. Flossing time is up to 45 seconds.

Also Read: Waterpik Whitening Professional Water Flosser Review (WF-05)

Our Final Word: Waterpik WP-450 vs WP-100

Which of these water flossers should you buy? Let’s end this Waterpik WP-450 vs WP-100 comparison report with this recommendation.

If you’re always on the go, a portable oral irrigator is the more practical choice. The Waterpik WP-450 is one of Waterpik’s long-standing products, and overall, it’s a reliable portable flossing device. However, if you’re not into battery-operated devices, know that there’s the Waterpik Sidekick, a collapsible countertop-type water flosser targeting travelers like you.

If you want a reliable countertop Waterpik with basic features, then choose the Waterpik WP-100. Note, however, that there are better models out there. Examples include the Waterpik Aquarius and the Waterpik WF-05, a whitening water flosser.