Google Ads captures existing demand. Facebook Ads creates new demand. The right choice depends on whether your buyers are searching for you or need to discover you first. Here’s how to decide.
Last updated: March 2026 · Reading time: 13 min
Data points come from WordStream, Databox, and our own client campaigns across $2M+ in annual ad spend.
| Dimension | Google Ads | Facebook Ads (Meta) | Winner |
|---|---|---|---|
| Targeting Model | Intent-based (keyword targeting) | Interest-based (audience targeting) | Depends on goal |
| Avg. CPC (Search) | $2.69 (search), $0.63 (display) | $0.77 (all formats) | Facebook (lower CPC) |
| Avg. Conversion Rate | 3.75% (search), 0.77% (display) | 1.85% (all formats) | Google (higher CVR) |
| Avg. ROAS | 2:1 to 8:1 (varies by industry) | 1.5:1 to 5:1 (varies by industry) | Google (higher intent) |
| Best For | Lead gen, high-intent purchase, local, B2B | Brand awareness, DTC ecommerce, retargeting | Depends on business |
| Ad Formats | Search text, shopping, display, video (YouTube), Performance Max | Image, video, carousel, Stories, Reels, lead forms, Shops | Facebook (visual variety) |
| Audience Size | 8.5B daily searches | 3.05B monthly active users (Meta family) | Google (reach) |
| Learning Curve | Steep (keyword strategy, Quality Score, bid management) | Moderate (creative-driven, simpler bidding) | Facebook (easier start) |
| Attribution | Click-based, GA4 integration, data-driven model | View-through, self-reported, post-iOS 14 limitations | Google (more transparent) |
| Min. Monthly Budget | $500-$1,000 for meaningful data | $300-$500 for meaningful data | Facebook (lower floor) |
Our position: Google Ads delivers higher-quality leads with clearer attribution. Facebook Ads builds awareness and pipeline at lower CPMs. Most businesses spending $5,000+/month on paid advertising should use both. Start with Google Ads if your product has search demand. Start with Facebook Ads if you’re creating a new category or selling visually.
Google Ads is intent-based advertising. Someone types “best CRM for small business” into Google, and your ad appears. The user has already identified a problem and is actively looking for a fix. You’re capturing existing demand.
Facebook Ads is interest-based advertising. Someone is scrolling through their feed looking at dog photos and vacation pictures, and your ad for a CRM appears because Facebook knows they’re a small business owner. The user wasn’t looking for a CRM. You’re creating demand.
Google Ads answers the question a buyer is already asking. Facebook Ads introduces a question the buyer hasn’t asked yet. Both work, but at different stages of the buying process and with different cost structures.
This distinction affects everything: cost per click, conversion rate, creative requirements, and the timeline to ROI. Google Ads converts faster because the buyer is further along in their decision process. Facebook Ads costs less per impression but requires more touches before conversion. Neither is “better.” They serve different functions in your marketing system.
Google’s targeting starts with keywords. You bid on search terms your buyers use, and your ad appears when those terms are searched. Beyond search, Google offers audience targeting on Display, YouTube, and Performance Max campaigns: in-market audiences (people actively researching a purchase), affinity audiences (people with specific interests), and custom audiences (based on URLs visited or search terms used).
Facebook’s targeting is built on user data. You can target by demographics (age, gender, location, education, job title), interests (pages liked, content engaged with), behaviors (purchase behavior, device usage, travel patterns), and custom audiences (your email list, website visitors, app users). Lookalike audiences let you find new people who resemble your best customers.
Post-iOS 14.5, Facebook’s targeting accuracy declined. Apple’s App Tracking Transparency framework reduced the data Facebook collects from iPhone users (who represent about 55% of US mobile users according to StatCounter, 2025). This made Facebook’s interest-based targeting less precise, increased CPAs by 15-30% for many advertisers (according to Varos benchmarks), and reduced attribution window accuracy.
Google was less affected by iOS changes because search intent doesn’t depend on cross-app tracking. When someone types a keyword, Google knows their intent regardless of their privacy settings.
Verdict: Google wins on intent accuracy. Facebook wins on demographic and interest precision, though its advantage narrowed post-iOS 14.
Google Ads offers text-based search ads (responsive search ads with up to 15 headlines and 4 descriptions), Shopping ads (product images with price and reviews), Display ads (banner and responsive display across 2 million+ sites), YouTube video ads (skippable, non-skippable, bumper, in-feed), and Performance Max (AI-driven cross-channel campaigns across all Google properties).
Facebook Ads offers single image, video, carousel (up to 10 images/videos), Stories (full-screen vertical), Reels (short-form video), collection ads (catalog-style for ecommerce), lead generation forms (in-app form fill), and dynamic product ads (automated product retargeting from your catalog).
For visual products (fashion, food, home decor, travel), Facebook’s creative-first formats consistently outperform. A well-designed carousel ad showing 5 product angles can generate CTRs of 2-3%, compared to 1.5-2% for single image ads (Meta internal data, 2024).
For service businesses and B2B, Google’s search ads convert better because they answer a specific query. A text ad for “managed IT services Chicago” speaks directly to someone who needs managed IT services in Chicago. No creative required; the keyword does the targeting work.
Google Ads operates primarily on a cost-per-click (CPC) model for search. You pay when someone clicks your ad. Average CPC across all industries is $2.69 for search and $0.63 for display (WordStream, 2024). High-competition industries like legal ($6.75 avg CPC), insurance ($5.16), and finance ($3.77) are significantly more expensive.
Facebook Ads can charge CPC, CPM (cost per 1,000 impressions), or per-action (lead, purchase). Average CPC is $0.77 across all industries (Databox, 2024). Average CPM is $7.19. Facebook is generally cheaper per click but converts at a lower rate because the traffic is less intent-driven.
The metric that actually matters is cost per acquisition (CPA), not CPC. Here’s how they compare by industry:
| Industry | Google Ads Avg CPA | Facebook Ads Avg CPA |
|---|---|---|
| E-commerce | $45 | $21 |
| B2B / SaaS | $116 | $65 |
| Education | $72 | $31 |
| Real Estate | $116 | $52 |
| Health & Fitness | $78 | $38 |
| Legal | $87 | $51 |
| Finance / Insurance | $90 | $43 |
Sources: WordStream 2024 benchmarks, Databox 2024 aggregate data, ScaleGrowth.Digital client data.
Facebook CPAs look lower, but lead quality is often lower too. A $65 Facebook lead for B2B SaaS might have a 5% close rate, while a $116 Google lead might close at 12%. Always evaluate CPA alongside lead-to-customer conversion rate and lifetime value.
Use Google Ads when:
Use Facebook Ads when:
The strongest paid media strategies use both platforms at different stages of the buyer’s journey. Companies that run Google and Facebook together typically see 10-20% lower blended CPA than those running either platform alone (Databox, 2024 cross-platform study).
Here’s the model that works for most businesses spending $5,000-$50,000/month on ads:
Track performance using UTM parameters on every ad and GA4’s data-driven attribution model. Facebook will over-report its conversions (view-through attribution inflates numbers). Google will also over-report (last-click bias). The truth is somewhere in between, which is why blended ROAS across both platforms is the metric that matters.
We run both platforms for most clients. The split depends on the business type:
| Business Type | Recommended Split | Why |
|---|---|---|
| B2B SaaS | 70% Google / 30% Facebook | High search intent, longer sales cycle, Facebook for retargeting only |
| DTC Ecommerce | 40% Google / 60% Facebook | Visual products, impulse purchases, Facebook’s catalog integration |
| Local Services | 80% Google / 20% Facebook | “Near me” searches are pure intent, Facebook for local brand awareness |
| Brand Awareness | 20% Google / 80% Facebook | No search demand yet, need to create awareness before capture |
| Lead Gen (B2C) | 50% Google / 50% Facebook | Both platforms generate leads; test and optimize by CPA and close rate |
“The Google vs. Facebook debate is the wrong question. Google captures demand. Facebook creates demand. If you only capture, you’re limited to today’s search volume. If you only create, you’re paying to educate people who might buy from a competitor. You need both engines running, and you need to track the interaction between them, not just each one in isolation.”
Hardik Shah, Founder of ScaleGrowth.Digital
A 40-point checklist for auditing your Google Ads account, from campaign structure to Quality Score optimization.
Real Facebook ad examples that generated strong ROAS, with breakdowns of why each creative worked.
Our paid media team manages Google and Facebook campaigns with a blended ROAS focus, not siloed channel metrics.
Facebook Ads has a lower average CPC ($0.77 vs. $2.69 for Google Search) and lower average CPA across most industries. However, Google Ads leads tend to convert to customers at higher rates because of search intent. Evaluate cost-per-customer, not cost-per-click. A $100 Google lead that converts at 10% costs $1,000 per customer. A $50 Facebook lead that converts at 3% costs $1,667 per customer.
Yes, and most businesses with $5,000+ monthly ad budgets should. Use Facebook for top-of-funnel awareness and retargeting. Use Google for capturing high-intent search demand. Track blended ROAS across both platforms in GA4. Companies running both typically see 10-20% lower blended CPA than those using either platform alone.
For most ecommerce brands, Facebook Ads drives more volume at lower CPA, especially for products under $100 and visually appealing categories. Google Shopping Ads are essential for capturing search demand and typically deliver higher ROAS on branded and product-specific searches. A 40/60 Google-to-Facebook split is a common starting point for ecommerce.
Start with $1,000-$2,000/month on a single platform to gather enough data for optimization (at least 30-50 conversions per month). On Facebook, you can start with $500/month for testing. On Google, $1,000/month is the practical minimum in most industries. Expect 2-3 months before you have enough data to optimize effectively. Don’t judge either platform on 2 weeks of data.
Apple’s App Tracking Transparency (iOS 14.5+) reduced Facebook’s ability to track user behavior across apps and websites, making targeting less precise and attribution less accurate. CPAs on Facebook increased 15-30% for many advertisers post-iOS 14. Google was less affected because search advertising relies on keyword intent, not cross-app tracking. Facebook has since improved its Conversions API and machine learning models to partially compensate, but the pre-iOS 14 targeting precision hasn’t fully returned.
Our paid media team manages Google and Facebook campaigns with a single goal: maximize blended ROAS. We’ve managed $2M+ in annual ad spend across both platforms.