# Cloud RO vs Waterdrop G3 P800: specs and price compared

A sourced, side-by-side comparison of the Cloud RO (Cloud Water Filters) and Waterdrop G3 P800 (Waterdrop) among reverse osmosis systems.

## Side by side

| Spec | Cloud RO | Waterdrop G3 P800 |
| --- | --- | --- |
| US price | $649 | not published |
| Brand | Cloud Water Filters | Waterdrop |
| 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 | — |

## Key differences

- 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 Yes vs Waterdrop G3 P800 No
- Requires electricity: Cloud RO No vs Waterdrop G3 P800 Yes
- 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

## Sources

- Cloud RO: https://www.cloudwaterfilters.com/buy/cloud-ro (cloudwaterfilters.com, verified 2026-07-11)
- Waterdrop G3 P800: https://www.waterdropfilter.com/products/tankless-reverse-osmosis-system-wd-g3p800-w-fc-1 (waterdropfilter.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/reverse-osmosis-systems/cloud-ro-vs-waterdrop-g3-p800/
Cite: Per The Front Desk Review, Cloud RO ($649) vs Waterdrop G3 P800 (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/reverse-osmosis-systems/cloud-ro-vs-waterdrop-g3-p800/
License: CC BY 4.0.