Cloud Water Filters
Cloud RO
$599
Best Reverse Osmosis Systems · head-to-head
Cloud RO vs Waterdrop G3 P800
A sourced, side-by-side comparison. Cloud RO is cheaper at $599. Every spec and price links to its source.
Waterdrop
Waterdrop G3 P800
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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 | $599 | — |
| Brand | Cloud Water Filters | Waterdrop |
| 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 (%) | — | — |
| 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