Best Reverse Osmosis Systems · head-to-head

Cloud RO vs Waterdrop G3 P800

A sourced, side-by-side comparison. Cloud RO is cheaper at $649. Every spec and price links to its source.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Cloud RO Waterdrop G3 P800
US price $649
BrandCloud Water FiltersWaterdrop
Released
Install type under-sink tankless-under-sink
Filtration stages 4 10
Rated capacity gpd 800
Pure to drain ratio 1:1 3:1
TDS reduction pct
Remineralization Yes No
Requires electricity No Yes
Storage tank gal 2.8 0
Nsf certified standards 58 42, 53, 58, 372
Membrane life months 24
Annual filter cost usd 200

Sources — Cloud RO: cloudwaterfilters.com (verified 2026-07-11). Waterdrop G3 P800: waterdropfilter.com (verified 2026-07-11).

What's the difference between the Cloud RO and Waterdrop G3 P800?

Where the two actually differ on the specs we track (7 of 11). Matching specs are omitted.

  • Install type: Cloud RO under-sink vs Waterdrop G3 P800 tankless-under-sink
  • Filtration stages: Cloud RO 4 vs Waterdrop G3 P800 10
  • Pure to drain ratio: Cloud RO 1:1 vs Waterdrop G3 P800 3:1
  • Remineralization: Cloud RO true vs Waterdrop G3 P800 false
  • Requires electricity: Cloud RO false vs Waterdrop G3 P800 true
  • Storage tank gal: Cloud RO 2.8 vs Waterdrop G3 P800 0
  • Nsf certified standards: Cloud RO 58 vs Waterdrop G3 P800 42, 53, 58, 372

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