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Water Purifiers · head to head

P8 Pro vs Z3 (Onyx Black)

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A. O. Smith

P8 Pro

₹30,100
1 spec win

Quick verdict

  • Z3 (Onyx Black) is better for not sure.
  • P8 Pro is better for 1 to 3.
  • P8 Pro is better for less water wasted.
  • Z3 (Onyx Black) leads on purification.
  • Z3 (Onyx Black) leads on build and features.
  • Z3 (Onyx Black) offers better overall value (16.4 points per ₹10,000).
  • Z3 (Onyx Black) has the higher Comparezi Score (49.1).
  • Z3 (Onyx Black) is the cheaper option at ₹29,990.

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

Winners by area

Purification Z3 (Onyx Black)
Capacity Tie
Build and features Z3 (Onyx Black)
Value Z3 (Onyx Black)

Specifications side by side

Spec
P8 Pro
Z3 (Onyx Black)
Purification
Technology
RO + Antioxidant + Copper + Alkaline + Silver Shield (SCMT)
RO + UV LED + Antioxidant + Copper + Alkaline
RO
Yes
Yes
UV
No
Yes (better)
Alkaline
Yes
Yes
Copper / zinc infusion
Yes
Yes
Purification stages
8
8
Max input TDS
2,000 ppm
2,000 ppm
Capacity
Storage
5.7 litres
6 litres (better)
Purification rate
15 L/h
15 L/h
Water recovery
60% (better)
55%
Build and features
Installation
Wall or counter top
Under sink
Power
560 W
48 W (better)
Hot water
Yes
—
Tank material
Food safe, non-toxic, engineering grade plastics
Food safe, non-toxic, engineering grade plastics
Model number
IGR005081RPBHC2-1
—
Colours
—
Onyx Black
Ownership
Warranty
1 year
1 year
Warranty terms
1 Year Comprehensive Warranty (including all filters and RO Membrane)
Z3 comes with 1 year comprehensive warranty that covers all filters, RO Membrane and electrical parts.

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

P8 Pro

₹30,100

Z3 (Onyx Black)

₹29,990

Which should you buy?

Z3 (Onyx Black) if you want the strongest overall specification: it has the higher Comparezi Score (49.1).

Z3 (Onyx Black) also gives the most score per rupee, so there is no trade-off between quality and price here.

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