Understanding how creative asset requirements differ between Performance Max and Demand Gen campaigns is essential for digital marketing teams, agencies, and designers who want to deliver effective Google Ads at scale. The asset structure, file ratios, and creative control for each campaign type follow distinct standards—which means your approach to design, resizing, and production must shift accordingly. In this guide, we break down these differences in clear, practical terms, helping you build smarter workflows and avoid costly, repetitive manual work.
Definition: Performance Max vs Demand Gen Creative Assets
Performance Max and Demand Gen are both powerful Google Ads campaign types, but they handle creative assets differently to meet their specific media goals:
- Performance Max is designed to blend search, display, YouTube, Discover, Gmail, and Maps, meaning it demands a broad set of assets (images, text, logos, video) that Google’s algorithm can mix and match across various placements.
- Demand Gen focuses on visual-first placements (YouTube, YouTube Shorts, Discover, Gmail) and relies on high-impact images and videos tailored to audience engagement in a feed-based browsing context. Asset requirements emphasize ratio-perfect visuals and short-form storytelling.
Quick Comparison: Asset Requirements Table
| Asset Type | Performance Max | Demand Gen |
|---|---|---|
| Images | Multiple ratios (landscape, square, portrait); supports wide asset sets | Many images, up to 20; explicit need for varied ratios for feed and Shorts |
| Video | Optional, but highly recommended for cross-channel optimization | Required; short and vertical videos favored for mobile/Shorts |
| Text Assets | Headlines (short and long), descriptions, broad variations preferred | Shorter headline and description, aligns with concise visuals |
| Logo | Needed for consistent brand placement across all ad surfaces | Required, especially for small format clarity |
| Asset Grouping | Asset groups per theme or product | Ad group and placement-specific creative variations |
Key Differences Explained
Broader Asset Library vs Visual-First Requirements
Performance Max thrives on asset versatility. You’ll need landscape (1.91:1), square (1:1), and portrait (4:5 or 9:16) images, plus headline, long headline, and description variations, and at least one logo. For Demand Gen, quality visual assets—especially vertical and short-form video—take priority, as these campaigns win or lose attention in highly visual, scrollable environments.
Automated Assembly vs Placement-Specific Control
Performance Max relies on Google’s automation to optimize asset combinations for different channels, so campaigns benefit from a bigger, more interchangeable asset pool. Demand Gen, in contrast, encourages creative control at the ad group level, favoring tightly themed and size-specific creative pairs for higher visual impact.
Resizing Complexity and Production Volume
Both campaign types require you to deliver the same core concept in multiple aspect ratios and size variations. This is where manual resizing can lead to lost hours—for every new ratio or video cut, production time grows. A solution like SizeIM enables agencies to automate the resizing process, ensuring consistency and maximizing campaign coverage with far less production effort.
Performance Max Creative Asset Checklist
- Landscape image (recommended: 1200 x 628 px, 1.91:1)
- Square image (recommended: 1200 x 1200 px, 1:1)
- Portrait/vertical image (960 x 1200 px or 1080 x 1920 px, 4:5 or 9:16 optional)
- Logo variants (square for most placements, horizontal for special cases)
- Multiple headlines (5-15), long headlines (up to 5), and descriptions (up to 5)
- At least one video, with multiple versions optimal for algorithmic testing
This setup gives the campaign maximum flexibility, letting Google’s machine learning optimize creative combinations across every channel it serves.
Demand Gen Creative Asset Checklist
- Images in square, landscape, and portrait/vertical ratios (prioritize 1:1, 1.91:1, 4:5 or 9:16)
- Short-form video assets (for Shorts and mobile-first inventory)
- Tighter text pairings: 1-3 concise headlines, 1-2 descriptions
- Clean, readable logos that remain visible at small sizes
- Optional: carousel or product feed support for browse-like placements
Demand Gen rewards campaigns that tailor creative per audience, per placement, and per format—making ratio-specific design essential.
Step-by-Step Framework: Efficient Asset Production for Both Campaigns
- Create a master design template that can be easily adapted for all required ratios (landscape, square, portrait, vertical).
- Draft headline and description sets covering varied angles (value, urgency, proof, emotion).
- Export logos in both square and landscape versions to meet every platform’s requirements.
- Prepare at least one video per campaign theme, with short (6-15 seconds) and medium (15-30 seconds) options for format flexibility.
- Resize and QA assets using automation. Tools like SizeIM let you adapt your design to every required size—eliminating pixel creep, cropping mishaps, and versioning errors.
- Check safe zones and text legibility across variations, especially for mobile and Shorts placements.
- Organize by asset set or ad group, depending on the campaign type, and upload to Google Ads for live preview before launch.
Why Asset Production Bottlenecks Happen—and How to Solve Them
Many agencies and in-house teams underestimate the true workload of multi-format campaigns. Every additional ratio, headline, or logo variant represents more work—unless you use automated design platforms. SizeIM is specifically built to resolve these bottlenecks:
- Instantly resize a single ad concept to dozens of banner sizes for Google, YouTube, and display networks
- Maintain brand consistency, regardless of format or output count
- Automate repetitive resizing, freeing up designer and SEO team hours
- Facilitate fast client approvals with predictable, consistent output every time
This approach enables agencies to support more campaigns, include more ad placements in media plans, and keep costs predictable—even when requirements shift at the last minute.
Creative Strategy: Matching Message and Format to Campaign Goals
For Performance Max
- Prioritize asset diversity over narrow targeting
- Upload multiple versions of each asset type so Google can optimize combinations algorithmically
- Build interchangeable modules: headlines, images, and video that clearly communicate your offer, benefits, and brand value
For Demand Gen
- Design for thumb-stopping impact—visuals must earn attention in a crowded feed
- Test vertical and short-form video for better engagement on YouTube Shorts and Discover
- Tailor ad groups by audience segment; pair messaging and creative theme directly for each
The importance of high-quality creative batches—and the risk of lost time to manual resizing—explains why responsive workflows are becoming the new standard for creative production.
Best Practices for Effective Multi-Size Ad Production
- Begin each campaign with a thorough asset map: list required ratios, message angles, and visual motifs before design starts.
- Centralize brand kits and logos for easy access and consistent placement across size variants (see more on using brand kits for multi-size ads).
- Automate resizing, not just export. Use a responsive system so elements rearrange, scale, and snap into proper hierarchy for every format.
- QA every asset, especially for cropping and mobile safe zones. Automated tools like SizeIM help minimize human error.
- Productize resizing as a repeatable service for agency clients to deliver more value and reduce round-tripping on proposals. See our blog on productizing banner resizing.
Realistic Workflow Example: One Ad, Multiple Campaigns
Imagine you are promoting a SaaS free trial. For Performance Max, you’ll develop a hero UI image, a square logo, 10 headlines, 4 descriptions, and 2-3 video cuts for Google’s cross-channel magic. For Demand Gen, you adapt this into a 9:16 Shorts demo video, a 1:1 founder message, and high-impact visuals for the Discover feed, each paired with specific, concise headlines. Both campaigns drive the same offer, but the execution, asset set, and creative architecture are fundamentally distinct.
When Is a Responsive Ad Design Platform Essential?
- When you need to deliver 10, 20, or 30+ unique ad sizes from one approved campaign concept—without hiring additional designers or slowing media launch
- When you must guarantee visual consistency and brand compliance in every output (especially for regulated or enterprise brands)
- When agencies want to expand their media plans to include more placements, not just the top three dimensions
These challenges are exactly where SizeIM delivers a competitive edge. By prioritizing a unified, responsive design workflow, you streamline approvals, minimize errors, and let designers focus on strategy, not repetitive production.
FAQ: Performance Max and Demand Gen Asset Requirements
What are the most common image sizes for each campaign?
For both campaigns, use 1200 x 628 px (landscape, 1.91:1), 1200 x 1200 px (square, 1:1), and 960 x 1200 px or 1080 x 1920 px (portrait/vertical, 4:5 and 9:16). Demand Gen often leans more on portrait and short-form video.
Does Performance Max require video?
Video is optional but highly recommended in Performance Max. It increases campaign flexibility and reach, particularly across YouTube, Discover, and other visual channels.
What’s the risk of under-producing creative for these campaigns?
If you provide too few asset variations, Google’s automation and testing algorithms have fewer options, which can hurt both delivery and conversion performance. Demand Gen especially struggles when forced to crop or stretch assets for feed-style inventory.
How do I handle client requests for new ratios or ad size formats mid-campaign?
Manual adjustments are labor-intensive. Automated design solutions like SizeIM enable instant resizing of approved creative, letting teams adapt quickly to new network requirements or last-minute media plan changes.
How do I keep brand consistency across so many sizes?
Use centralized brand kits, consistent templates, and automated resizing workflows. For a deeper strategy, see our article on brand kits, tokens, and templates.
Where can I find a step-by-step production checklist?
We have covered this topic in our Display Ad Handoff Guide, which details every required step from design to trafficking.
Conclusion: Elevate Creative Production with Responsive Automation
Performance Max and Demand Gen demand different creative strategies, but both share a need for high output and production precision. Teams that still rely on manual resizing and asset assembly often struggle with versioning errors, slow approvals, and missed placements.
By shifting to a responsive ad platform like SizeIM, creative teams and agencies can finally streamline multi-size ad production, maximize brand consistency, and reclaim hours lost to repetitive resizing.
If your agency, design team, or marketing department is ready to scale Google Ads with less friction and deliver stronger creative to every surface, try the SizeIM approach—and unlock a new level of efficiency and campaign reach.
