Frizzlife PD800-TAM4 vs Waterdrop G5P700A

Last updated: November 2, 2026

The Waterdrop G5P700A is the better under-sink reverse osmosis system overall, rated 3.8 to 3.1. The Waterdrop G5P700A leads on certification and price. The Frizzlife PD800-TAM4 wins on output. The Waterdrop G5P700A costs $199.99 less ($309.99 vs $509.98).

Frizzlife PD800-TAM4 vs Waterdrop G5P700A

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every tankless under-sink reverse osmosis system; a clear win is highlighted. How we rank explains each one.

Factor weightWaterdrop G5P700AFrizzlife PD800-TAM4
Overall rating3.8/53.1/5
Certification 25%100 certified to NSF/ANSI 5830 not certified to NSF/ANSI 58; certified to NSF/ANSI 372
Filter cost 20%41 $130 a year in replacement filters46 $119 a year in replacement filters
Water wasted 15%95 2:1 pure to drain95 2:1 pure to drain
Output 10%57 700 gallons a day71 800 gallons a day
Price 15%83 $309.9944 $509.98
Warranty 15%0 1-year warranty0 warranty not published, scored as none

Specifications

Waterdrop G5P700AFrizzlife PD800-TAM4
Filtration
Output700 gallons a day800 gallons a day
Pure to drain2:12:1
Stages89
RemineralizationYesYes
NSF/ANSI 58YesNo
Other certificationsNSF/ANSI 372NSF/ANSI 372
Replacement filters$130 a year$119 a year
Build
TankTanklessTankless
Booster pumpYesYes
Smart faucetYesYes
Warranty1 year-

All under-sink reverse osmosis system comparisons →