Performance Max (PMax) is a campaign type that serves ads across Search, YouTube, Display, Gmail, Maps and Discover at once, while Google's algorithm makes decisions on bids, placements and ad combinations. Classic Search campaigns run only on queries you control. Which one should you choose? It depends on data and goals — here is how we decide in Google Ads work.
In short: Search is the foundation for businesses that want to control queries and pay for high-intent demand. PMax works with enough conversion volume, good creative and a product feed. They work best together — with clean analytics and protected brand queries.
The formats compared
| Parameter | Search campaigns | Performance Max |
|---|---|---|
| Where ads show | Google Search and partners | All Google surfaces |
| Query control | Full: keywords, negatives, match types | Limited: signals and exclusions |
| Transparency | High | Lower: aggregated reporting |
| Creative | Text ads | Text, images, video, feed |
| Data needs | Works at low volume | Needs enough conversions to learn |
When to choose Search
- Services with clear search demand: "company formation in the EU", "CRM development".
- Small budget and few conversions.
- You need to know exactly which queries you pay for.
- B2B with long sales cycles where every lead is expensive.
When to add Performance Max
- An online store with a product feed in Merchant Center.
- Consistently dozens of conversions per month and correct value tracking.
- Resources for images and video across surfaces.
- Search is saturated and you need scale.
How to combine them without cannibalisation
- Protect the brand. Exclude brand queries from PMax so the algorithm does not claim people already searching for you.
- Split the jobs. Search for high-value intent queries, PMax for reach expansion.
- Optimise for the right event. A qualified lead or sale, not just a form submission.
- Compare on revenue. Look at final deal cost and ROMI, not the CPA in the interface.
Frequently asked questions
Can PMax fully replace Search?
For some e-commerce projects, yes. For services and B2B we almost always keep Search as the foundation — it brings control and predictability.
Why does PMax look great in reports while sales did not grow?
The algorithm often captures brand and remarketing traffic that would have converted anyway. That is why exclusions and end-to-end analytics matter.
How much budget does PMax need?
Enough for the campaign to get regular conversions to learn from. If the budget cannot support that, start with Search.
Want to know which format fits your business? Send a request on the Google Ads page and we will check demand, analytics and unit economics and propose a campaign structure. If you need ads alongside other channels, see media buying.