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Water Purifiers · head to head

ProPlanet P4 Pro vs X9 Black

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A. O. Smith

X9 Black

₹21,000
1 spec win

Quick verdict

  • ProPlanet P4 Pro is better for 1 to 3.
  • ProPlanet P4 Pro is better for less water wasted.
  • ProPlanet P4 Pro leads on purification.
  • ProPlanet P4 Pro leads on capacity.
  • X9 Black leads on build and features.
  • ProPlanet P4 Pro offers better overall value (18.4 points per ₹10,000).
  • ProPlanet P4 Pro has the higher Comparezi Score (45.8).
  • X9 Black is the cheaper option at ₹21,000.

Computed from stored specifications, the published water purifiers scoring rules and recorded prices. Not an opinion.

Winners by area

Purification ProPlanet P4 Pro
Capacity ProPlanet P4 Pro
Build and features X9 Black
Value ProPlanet P4 Pro

Specifications side by side

Spec
ProPlanet P4 Pro
X9 Black
Purification
Technology
100% RO + SCMT + Copper Fortified Mineraliser + Alkaline + UV LED in tank
100% RO + SCMT (Silver Shield) + Copper Fortified Mineraliser + Alkaline
RO
Yes
Yes
UV
Yes (better)
No
UV in tank
Yes
—
Alkaline
Yes
Yes
Copper / zinc infusion
Yes
Yes
Purification stages
8
8
Max input TDS
—
2,000 ppm
Capacity
Storage
5 litres
5 litres
Purification rate
15 L/h
15 L/h
Water recovery
60% (better)
40%
Build and features
Installation
Wall or counter top
Wall or counter top
Power
60 W
48 W (better)
Tank material
Food safe, non-toxic, engineering grade plastics
Food safe, non-toxic, engineering grade plastics
Colours
—
Black
Ownership
Warranty
1 year
1 year
Warranty terms
1-Year Comprehensive Warranty* (including all filters and RO membrane)
Peace of Mind with 1 year comprehensive warranty (includes RO membrane and filters)

A tick marks the better value where the category rules say higher (or lower) is better. Text values are shown without a winner. Ties have no winner.

Price and availability

Store links are not paid: prices are copied from each store's own page with the date checked, and Comparezi earns only from labelled ads. How we earn

ProPlanet P4 Pro

₹24,900

X9 Black

₹21,000

Pros and cons

ProPlanet P4 Pro

  • Pro: UV light inside the storage tank keeps stored water treated
  • Con: Smaller storage tank than 84% of the 66 water purifiers on Comparezi that state it (5 litres)

X9 Black

  • Con: Smaller storage tank than 84% of the 66 water purifiers on Comparezi that state it (5 litres)

Which should you buy?

ProPlanet P4 Pro if you want the strongest overall specification: it has the higher Comparezi Score (45.8).

X9 Black if price matters most: it is the cheaper option at ₹21,000.

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