Google Ads vs Meta Ads Performance
- Tsamarah Balqis
- Sep 15
- 6 min read
Updated: Nov 24
If you’re torn between Google advertising agency singapore (Search, Shopping, Performance Max, YouTube) and Meta advertising companies in singapore (Facebook + Instagram), you’re really deciding between capturing existing intent and creating incremental demand. Both can be top-performers just for different “jobs” in your funnel.

This guide breaks down how each channel wins on performance, what to watch out for, and exactly how to budget, bid, measure, and scale without wasting money.
Run Google Ads first if your category has clear search demand and you need predictable CPA/ROAS fast (Search/Shopping/PMax).
Run Meta Ads first if you have (or can produce) strong UGC/creatives and need incremental reach and demand creation; harvest conversions via retargeting and branded search.
Best results for most brands come from running both with distinct KPIs and a shared measurement plan: Meta for attention/ATC, Google for last-mile CPA/ROAS.
What “performance” actually means
Before debating channels, agree on the scoreboard:
ROAS / MER (blended ROAS) revenue divided by ad spend; MER includes all channels.
CPA / CAC cost per acquisition / cost to acquire a customer.
LTV:CAC & payback how fast ad spend returns its cost.
Assist vs last-click awareness/video/social often assist; search often closes.
Capacity to scale can you increase spend at the same or slightly higher CPA?
Decide these definitions before launching. Ambiguity creates fake winners and real budget leaks.
Platform overview strengths & watch-outs
Google Ads (Search, Shopping, Performance Max, YouTube)
Why it wins performance:
Query intent: People tell you what they want; you match solutions.
Shopping + PMax: Optimizes across inventory and surfaces products everywhere Google can show them.
Mature automation: Smart bidding works when your conversions are clean.
Watch-outs:
CPC inflation in crowded niches. Weak landing pages sink ROAS even with perfect targeting.
Feed hygiene (titles, images, GTIN, availability) is decisive for Shopping/PMax.
Meta Ads (Facebook + Instagram)
Why it wins performance:
Creative-led scale: Great ads (native, lo-fi storytelling) can unlock cheap attention at volume.
Advantage+ Shopping and DPAs: powerful for ecommerce retargeting and catalog sales.
Signal breadth: Interests, behaviors, and broad audiences are strong when pixel events are clean.
Watch-outs:
Creative fatigue raises CPA; expect a 7–14 day refresh cadence in competitive markets.
Signal loss if tracking breaks; junk events break optimization.
Audience & intent mapping (when each channel wins)
Bottom-funnel, urgent need, high intent (e.g., “same-day aircon repair”, “buy truffle chips near me”): Google dominates Search/Shopping capture conversion-ready users.
New category, visual product, story-driven purchase (beauty, F&B, gadgets, fashion): Meta excels Reels/Feed creative creates demand and warms audiences for retargeting and search capture.
Considered purchase / lead gen (B2B SaaS, healthcare, home services): Start Google (Search + YouTube for education). Use Meta to scale reach and social proof once messaging is validated.
Ad formats that actually drive performance
Search: exact/phrase + broad (with strong signals). Own branded terms, mine non-brand winners, and build negatives ruthlessly.
Shopping + Performance Max: ecommerce workhorses feed quality and image assets decide fate.
YouTube (In-Stream/Shorts): efficient top/mid-funnel reach that lifts branded searches and remarketing pools.
High-performing pairings: Search + Shopping to harvest → PMax to scale inventory coverage → YouTube to educate and seed remarketing.
Meta
Reels / Feed video for prospecting thumb-stop hooks, quick demos, native voice.
DPAs (Dynamic Product Ads) for retargeting recover browses, ATCs, and recent PDP viewers.
Advantage+ Shopping to auto-allocate across prospecting/retargeting at scale.
Lead Ads for service funnels pair with fast CRM routing and qualification.
High-performing pairings: Reels (prospecting) + DPAs (retargeting) → Advantage+ Shopping once signals are clean and creatives are stable.
Bidding & budgeting, how to hit targets without starving learning
Start with Maximize Conversions or Maximize Conversion Value, then move to tCPA / tROAS once you have solid volume.
Protect efficiency with query themes, strong negatives, and ad group hygiene.
For Shopping/PMax, invest in feed optimization (add attributes to titles, improve images, ensure GTINs, map categories correctly).
Meta
Begin with lowest cost (no cap) to learn fast; once you have stable CPA, test cost cap in separate ad sets.
Keep account structures simple to protect learning (fewer campaigns/ad sets, more creative rotation).
Budget to exit learning (usually 7–10 days). Underfunded tests give fake “bad” results.
Creative strategy the biggest lever (especially on Meta)
Search: mirror intent in headlines, lead with benefit and proof; master extensions (sitelinks, callouts, structured snippets, price).
Shopping/PMax: crisp, high-contrast product images; titles with key attributes; ratings and promo overlays when applicable.
YouTube: hook in 3 seconds; show the product in use; 1 claim, 1 proof, 1 CTA; ship 15–20s variants.
Meta
Native, lo-fi storytelling beats polished: POV, first-try reaction, problem→solution arcs.
On-screen captions, quick cuts, and “sound-on moments,” but keep it readable on mute.
Think concepts, not just files. Each week, test new hooks with the same body:
“I tried it so you don’t have to.”
“Why I switched from X to Y.”
“3 things nobody tells you about [problem], and how I fixed it.”
Measurement & attribution (2025 reality)
GA4 + UTMs + platform pixels aligned; standardize events (purchase, add_to_cart, lead_submitted, book_appointment).
Use 7- and 28-day lookbacks to understand short and long tail. Expect Meta & YouTube to assist and Search/Shopping to close.
Add a 1-question post-purchase survey (“What influenced you most?”) to credit short-form video and creator exposure.
Analyze creative cohorts (by hook/concept) and query cohorts (by theme). Scale ideas, not just assets.
Track MER/blended ROAS next to channel KPIs so one channel doesn’t get cut when it’s assisting another.
Avoiding cannibalization & common leaks
PMax vs Search: use brand exclusions and campaign priorities to avoid PMax stealing branded terms you want to manage precisely.
Meta prospecting vs retarget: don’t over-shrink retarget windows; allow DPAs to breathe.
Attribution fights: pick a simple set of rules (GA4 primary, platform secondary, plus post-purchase survey) and stick to them for quarter-over-quarter comparability.
Performance playbooks (copy-paste starting points)
1) Ecommerce (AOV ≤ $80)
60% Google: Shopping/PMax + exact/phrase Search for capture.
40% Meta: Reels/Feed prospecting + DPA retargeting.
Weekly rhythm:
Refresh 2–3 Meta hooks; keep winners, cut losers at 1.5–2× target CPA.
Rotate Shopping images/titles for promos; monitor search term reports.
Maintain 7/14/30-day retarget tiers.
2) Considered purchase / lead gen
65% Google: Search to capture high intent; YouTube to educate and pre-qualify.
35% Meta: Lead Ads (qualified fields), Reels for social proof.
Ops: Instant CRM routing, qualification rules, and objection-based nurture emails within 24 hours.
3) Product launch / seasonal peak
Phase 1 (Hype): Meta Reels + creator UGC; YouTube Shorts teasers.
Phase 2 (Harvest): Google Search/Shopping/PMax to convert surging intent.
Phase 3 (Loyalty): DPAs + email/SMS to drive repeat and bundles.
Decision tree choose your starting channel
Clear search demand + time-to-value pressure? Start Google; layer Meta for incremental scale and creative tests.
Strong UGC/creatives + visual story? Start Meta; backfill Google to capture rising branded/category searches.
Need pipeline this month? Run both, but set different KPIs: Meta = attention/add-to-cart; Google = CPA/ROAS.
FAQs
Is Meta cheaper than Google for “performance”? Sometimes on reach, not always on acquisition. Cheap CPMs don’t equal profitable growth. Judge by CPA, ROAS, and payback, not CPM alone.
Which usually drives better ROAS for ecommerce? Google (Shopping/PMax) often anchors ROAS. Meta improves blended ROAS by feeding high-intent visitors who later convert via search or DPAs.
How much budget do I need to test each?Enough to exit learning in 7–10 days with multiple conversions per ad set/campaign. It’s better to test fewer concepts well than poorly funded.
Will Meta prospecting lift my branded search volume? Usually yes. Effective creative increases branded and category queries be ready with Search to capture them.
What if my tracking isn’t perfect? Fix it first. Inaccurate events kill smart bidding and hide winners. Align GA4, pixels, UTMs, and consent; use a simple cross-channel attribution rule set.
Conclusion
Start where your strength is strongest intent (Google) or creative (Meta) then add the other channel to compound results. Keep structures simple, fund learning properly, and measure with digital marketing singapore blended KPIs so the channels support each other instead of fighting for credit. Review queries + creatives weekly, scale winning ideas, and codify your learnings into next month’s tests.

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