Panasonic ER-GP82 vs Waterpik Aquarius WP-660
Looking for an honest Panasonic ER-GP82 vs Waterpik Aquarius WP-660 comparison in 2026? We scored both personal care on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. Both products score nearly identically (60/100 vs 60/100) — this is a genuine toss-up that hinges on which specs matter most for your use case. On price the Waterpik Aquarius WP-660 undercuts the Panasonic ER-GP82 by 24% ($79.99 vs $99), which materially changes the value calculus for budget-conscious buyers.
