Side-by-Side Cost Comparison — 2026
| Metric | Google Search | Google Display | Meta (FB+IG) |
|---|---|---|---|
| Avg. CPC | $5.42 | $0.58 | $1.72 |
| Avg. CPM | $38–$55 (implied) | $2.80 | $7.19 |
| Avg. CTR | 3.17% | 0.46% | 0.90% |
| Avg. CVR (e-comm) | 4.8% | 0.8% | 1.5–3% |
| Avg. CPA (e-comm) | $45–$65 | $65–$90 | $23–$55 |
| Avg. ROAS (e-comm) | 3.5–4.5× | 1.5–2.5× | 2–4× (prospecting) |
| Min. viable budget/mo | $1,000 | $500 | $500 |
| Learning phase | 30+ conversions | 30+ conversions | 50+ purchases |
Sources: WordStream 2026 Google Benchmarks, Meta Ads Manager aggregate data, Triple Whale e-commerce panel. Cross-industry averages — your vertical will differ.
The Fundamental Difference: Intent vs. Interruption
Google Ads and Meta Ads operate on opposite ends of the buyer intent spectrum. Understanding this is more important than any cost comparison.
Google Ads — Demand Capture
- User is actively searching for a solution
- High intent = high CVR (4.8% avg on Search)
- Limited audience size — bound by search volume
- CPC is higher because intent is worth more
- Best for: existing category demand
- Weak for: new categories with no search volume
Google vs Meta: Performance by Business Type
The right platform depends more on your business model than your budget. These are directional assessments based on typical performance patterns — your results will vary.
| Business Type | Google Search | Meta Ads | Recommended start |
|---|---|---|---|
| E-commerce ($50–$200 AOV) | Strong | Strong | Meta for acquisition, Google for brand + remarketing |
| E-commerce ($200+ AOV) | Very strong | Medium | Google Shopping + Search first |
| B2B SaaS (ACV $10K+) | Strong | Retargeting only | Google Search, Meta for remarketing |
| B2B SaaS (ACV $2K–$10K) | Strong | Medium | Google Search, test Meta lead gen |
| Local services (legal, healthcare) | Very strong | Secondary | Google Search + Local Service Ads |
| D2C consumer brand | Brand terms only | Very strong | Meta prospecting, Google brand |
| Mobile app | UAC campaigns | Strong | Meta App Install campaigns |
| New product (no search demand) | Weak | Strong | Meta only until category demand builds |
Attribution: Why You Can't Trust Either Platform's Numbers
Both Google and Meta overstate their contribution to conversions — and they do it in different ways. Understanding the attribution gap is essential for making correct budget allocation decisions.
Google's attribution problem
Google's default attribution is data-driven, which is better than last-click but still over-credits Google touchpoints. The biggest issue is brand keyword cannibalization: if a user first discovered you through Meta, then later searches for your brand name and converts — Google Search gets full credit. True first-touch attribution would credit Meta for the discovery.
Meta's attribution problem
Meta's default 7-day click + 1-day view window counts view-through conversions: if a user saw (but didn't click) your ad and converted up to 24 hours later, Meta claims credit. For high-volume brands, view-through attribution can inflate reported conversions by 40–80%. Switch to 7-day click only for a more conservative measure of true Meta contribution.
How to measure them correctly together
The most accurate approach for multi-platform advertisers: use Marketing Efficiency Ratio (MER) = Total Revenue ÷ Total Ad Spend. This blended metric treats Google and Meta as a combined system and correlates directly with business outcomes. Increase combined budget when MER is above your target; reduce when below. See ROAS vs MER for the full methodology.
How Google and Meta Work Together — The Flywheel
The most effective approach for most businesses isn't choosing between Google and Meta — it's using them as a complementary system where each platform's strength compensates for the other's weakness.
| Stage | Platform | Objective | Typical ROAS |
|---|---|---|---|
| Cold awareness | Meta prospecting | Introduce brand to target audience | 1–2× (investment) |
| Consideration | Google Display + YouTube | Reinforce brand, capture research intent | 1.5–3× |
| Intent | Google Search | Capture high-intent searches from warmed audience | 4–8× |
| Retargeting | Meta + Google Display | Re-engage website visitors and cart abandoners | 5–12× |
| Loyalty | Meta custom audiences | Upsell and retain existing customers | 8–15× |
The Google Search ROAS at the intent stage appears high because Meta and YouTube warmed the audience. Cutting Meta to "save budget" often causes Google Search ROAS to fall — because Google was converting audiences that Meta created, not audiences Google found independently.
Frequently Asked Questions
Is Google Ads or Meta Ads better for small budgets?
Below $1,000/month: Meta is usually better. It allows meaningful creative testing at lower spend, audiences are easier to build without keyword research, and the lower CPC generates more data faster. Google Search at low budgets often results in too few clicks to make optimisation decisions. Exception: if you're in a local service category with clear search intent (plumber, dentist, lawyer), Google Search + Local Service Ads can work at $500–$1,000/month.
Which platform has better ROAS — Google or Meta?
Google Search typically shows higher reported ROAS (3.5–4.5× vs Meta's 2–4×) because it captures already-intent buyers. But Google's reported ROAS includes brand searches that Meta may have enabled — true incremental ROAS is closer. For e-commerce, blended ROAS across both platforms is usually more stable and higher than either platform alone.
Should I run Google Ads and Meta Ads simultaneously?
Yes, for most businesses above $3K/month in ad spend. They serve different funnel stages and audience states. The combination typically delivers better blended CPA than either alone because you can optimize Google for high-intent conversion and Meta for top-of-funnel reach and retargeting. Budget split starting point: 50/50, then optimize based on your CAC data by channel.
Which platform is easier to use for beginners?
Meta is generally more accessible for beginners. Campaign setup is simpler, audience targeting is more intuitive, and Advantage+ campaigns automate most decisions. Google Ads has more complexity — keyword match types, Quality Score, campaign structure, bid strategies — that require learning before they produce reliable results. That said, Google's interface has improved significantly with Smart Campaigns and PMax reducing the expertise needed to start.
Compare Your Numbers Across Both Platforms
Use the calculators to model CPC, CPA, and ROAS for each platform with your actual data.
CPA Calculator → CPC Calculator ROAS CalculatorRelated Resources
- Google Ads Benchmarks 2026 — CPC, CVR, CPA by campaign type
- Meta Ads Benchmarks 2026 — CPM, CTR, CVR, ROAS by objective
- How Much Does Google Ads Cost? — Full cost breakdown by industry
- Average CPC by Platform — Google, Meta, LinkedIn, TikTok compared
- Average CPM by Platform — Display, social, and video CPM comparison
- ROAS vs MER — How to measure multi-platform performance correctly
- Performance Marketing Benchmarks 2026 — All metrics, all platforms