If you run an e-commerce brand on Google Ads, you have almost certainly been pushed toward Performance Max (PMax). Google recommends it by default, and Standard Shopping now sits further down the campaign menu. Choosing between them depends on how much conversion data you have, how many creative assets you can produce, and how much control you need over products and search queries. This guide compares the two on those points and finishes with a hybrid setup that many accounts use.
What Performance Max Does
Performance Max is a single campaign type that can show your ads across Search, Shopping, Display, YouTube, Discover, Gmail, and Maps. You supply asset groups (images, headlines, logos, videos) along with your product feed, and Google’s machine learning decides where ads appear, who sees them, and what to bid.
The benefit is broad coverage from one campaign with automated optimisation. The trade-off is reduced visibility and control: you have limited insight into which placements and queries consume your budget, and you cannot prioritise individual products as precisely as you can elsewhere.
What Standard Shopping Does
Standard Shopping campaigns show product listing ads on Google Search, the Shopping tab, and Search partner sites, using data from your Merchant Center feed. You set bids at the product group level, add negative keywords, and see the search terms behind your clicks. You can split campaigns by margin, by brand versus non-brand, or by product category, then give each segment its own budget and bid.
When Performance Max Wins
PMax tends to outperform Standard Shopping when these conditions are met:
- Enough conversion data. Google’s Smart Bidding guidance cites a minimum of around 15 conversions in 30 days for target-based strategies and recommends 30 or more. With less than that, automation has little to learn from and can overspend on low-intent placements.
- A complete set of assets. Video makes a clear difference. A PMax campaign built only from images and text has far less to show on YouTube and Discover, which shrinks its main advantage.
- A broad product catalogue. If you sell hundreds or thousands of SKUs and cannot manage them one by one, PMax handles that spread more easily than a manually structured Shopping campaign.
Under these conditions, PMax can reach buyers who would never see a standard Shopping ad, particularly on YouTube and Discover, where purchase intent exists but is difficult to target with keywords.
When Standard Shopping Wins
Standard Shopping is the better fit when control matters more than reach:
- New accounts with limited data. Automated bidding needs a conversion history. Without one, you are paying Google to experiment with your budget.
- High-margin products you want to push. You can segment by margin and send budget to your most profitable lines.
- Query control. Negative keywords and search term reports let you cut wasteful queries quickly, which is harder inside PMax.
- Smaller budgets. As a rule of thumb from the accounts we manage, spend below roughly $1,500 per month rarely produces enough conversions for PMax to learn well, while Standard Shopping lets you see exactly where each click came from.
Your bidding choice shapes both campaign types, so it helps to read our guide to Google Ads bidding strategies before you decide.
How the Two Campaign Types Interact
When the same product sits in both campaign types, the auction rules matter. Before late 2024, PMax automatically took priority over Standard Shopping. Google then changed this so that PMax no longer wins by default and the campaign with the higher Ad Rank serves instead, according to coverage of the update by industry publications. Google’s own help pages have used different wording over time, so check your account before assuming either behaviour.
The campaign priority setting (Low, Medium, High) applies between Standard Shopping campaigns, and PMax does not use it. The most reliable way to learn which campaign type wins for your products is a Google Ads experiment that splits traffic between them, a method Google itself suggests for comparing the two.
The Hybrid Approach
Many experienced advertisers run both. A common setup is a Standard Shopping campaign for best sellers, high-margin lines, and brand terms, with PMax covering the rest of the catalogue to capture extra demand. Use custom labels in your feed to keep the two apart, for example by excluding your top products from the PMax listing group. That reduces overlap and makes performance easier to read.
Review the search terms report in your Standard campaign regularly. If PMax is taking traffic from queries you already cover well, adjust the budget split or tighten the product exclusions.
Performance Max and Brand Spend
PMax can take credit for brand searches, which come from people who were already going to buy from you. This inflates reported ROAS without creating new demand. Brand exclusions in the PMax campaign settings let you filter these queries out, and it is a step that is easy to miss during setup. Judging either campaign fairly also depends on knowing your true return, so see our guide on what a good ROAS for Google Ads looks like for realistic targets.
Frequently Asked Questions
Is Performance Max replacing Standard Shopping?
Standard Shopping campaigns are still available in Google Ads, and many advertisers keep them for products that need tighter control. Google does promote PMax more heavily, so the menu may keep shifting.
Can I run both for the same products?
Yes. Google confirms that both can target the same products. Set up an experiment or separate your products with custom labels so you can see which campaign deserves the budget.
How much data does Performance Max need?
There is no single threshold. For target-based bidding, Google cites at least 15 conversions in 30 days as a minimum and recommends 30 or more. Our guide to Google Ads Smart Bidding explains how those numbers play out in practice.
The Bottom Line
PMax suits accounts with solid conversion data, strong assets, and a broad catalogue. Standard Shopping suits accounts that need control, run smaller budgets, or are still building history. For brands spending more than about $2,000 per month on Shopping, a hybrid with Standard Shopping as the foundation and PMax as the growth layer is a sensible default to test.
Want expert help with your account? See our Google Ads management service.