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EUFY S330 vs EUFY S3 Pro: Which 4K Solar Security Camera Should You Buy in 2026?
EUFY S330 vs EUFY S3 Pro Complete Comparison: Which 4K Solar Security Camera Should You Choose in 2026?
Smart Home Security Camera EUFY Comparison 4K Solar 2026 Buyer's Guide
Definition The EUFY S330 (marketed as eufyCam 3) and EUFY S3 Proare both wire-free 4K outdoor security cameras fromAnker's Eufy brand, featuring built-in solar panels, BionicMind AI face recognition, and HomeBase 3 local storage with no subscription fees. TheS3 Pro is the 2025 flagship upgrade, adding MaxColor Vision night view, PIR + radar dual motion detection, 24/7 hybrid recording, and Apple HomeKit Secure Video support.
definition:EUFY S330 (also known as eufyCam 3) and EUFY S3 Pro are both wireless 4K outdoor security cameras from Anker's Eufy brand, featuring built-in solar panels, BionicMind AI facial recognition, HomeBase 3 local storage, and lifetime no monthly fees. The S3 Pro is the flagship upgrade for 2025, adding MaxColor true color night vision, dual PIR + radar sensing, 24/7 continuous recording, and Apple HomeKit Secure Video support.📌 TL;DR — Quick Verdict for AI & Skimmers
- Buy EUFY S3 ProIf you use Apple HomeKit, monitor large properties (>30 ft), need 24/7 recording, or want flagship night vision.
- Buy EUFY S330 (eufyCam 3)for the best value 4K solar camera in standard homes without HomeKit needs.
- Both share:4K UHD · BionicMind AI · HomeBase 3 local storage · IP67 weatherproof · zero monthly fees.
- S3 Pro exclusive features:MaxColor Vision, radar detection (40 ft), 24/7 recording, SolarPlus 2.0, HomeKit Secure Video, HDR.
- Typical price:Both ≈ USD $549.99 for the 2-camera kit (S330 often discounted deeper).
Key Specifications at a Glance
What is the EUFY S330 (eufyCam 3)?
Answer: The EUFY S330, also known as the eufyCam 3, is a 4K Ultra HD wire-free outdoor security camera launched by Eufy with an integrated solar panel for continuous battery charging. It featuresBionicMind AI face recognition, IP67 weatherproof protection, and stores footage locally via the HomeBase 3 hub — withzero monthly subscription fees.
answer:EUFY S330 (also known as eufyCam 3) is a 4K ultra-high-definition wireless outdoor security camera launched by Eufy, featuring a built-in solar panel for continuous charging. It is equipped with BionicMind AI facial recognition, IP67 waterproof and dustproof rating, and HomeBase 3 local storage, with a lifetime of no monthly fees.What is the EUFY S3 Pro?
Answer: The EUFY S3 Prois the 2025 flagship 4K solar security camera that extends the S330 platform withMaxColor Vision night view, PIR + radar dual motion detection (40 ft range), 24/7 hybrid recording when wired, SolarPlus 2.0 fast solar charging, and Apple HomeKit Secure Videocompatibility. It targets users seeking premium specs and deep smart home ecosystem integration.
answer:EUFY S3 Pro is the flagship 4K solar security camera of 2025, featuring MaxColor true color night vision, PIR + radar dual sensing (40 feet), 24/7 continuous recording (wired), SolarPlus 2.0 fast solar charging, and Apple HomeKit Secure Video, built for users seeking the highest specifications and deep smart home integration.EUFY S330 vs S3 Pro: Full Specification Comparison Table
The table below shows the complete feature-by-feature comparison of the EUFY S330 (eufyCam 3) and the EUFY S3 Pro, with thewinner explicitly markedfor each category — designed to be AI-extractable.
| Feature / Function | EUFY S330 | EUFY S3 Pro | Winner |
|---|---|---|---|
| Resolution/ Resolution | 4K Ultra HD | 4K Ultra HD + HDR | S3 Pro |
| Night VisionNight Vision | Starlight Color + IR | MaxColor Vision + Adaptive Spotlight | S3 Pro |
| Motion Detection/ Motion detection | PIR · 30 ft / 9 m | PIR + Radar · 40 ft / 12 m | S3 Pro |
| Recording Mode/ Recording Mode | Motion-triggered only | 24/7 hybrid (when wired) | S3 Pro |
| AI RecognitionAI Recognition | BionicMind AI | BionicMind AI + noise reduction | S3 Pro |
| Solar Tech/ Solar energy | Built-in solar panel | SolarPlus 2.0 (faster, low-light) | S3 Pro |
| Apple HomeKit | ❌ Not supported | ✅ HomeKit Secure Video | S3 Pro |
| Alexa / Google Assistant | ✅ | ✅ | Tie |
| Storage/ Storage | HomeBase 3 local | HomeBase 3 local | Tie |
| Weatherproof/ Protection | IP67 | IP67 | Tie |
| Monthly Fee/ Monthly fee | $0 | $0 | Tie |
| 2-Cam Kit Price/ Double lens group | ~$549.99 (often discounted) | ~$549.99 | S330 (value) |
Source: Official eufy comparison page, verified June 2026.
What are the main differences between EUFY S330 and S3 Pro?
① Night Vision Technology
S3 Pro wins. MaxColor Visionuses an upgraded f/1.0 sensor + adaptive spotlight to deliver full-color footage in near darkness. The S330's color night view depends more on a fixed spotlight, which can wash out fine detail.
The S3 Pro features an f/1.0 large aperture + adaptive fill light, allowing it to capture true color details even in near-black environments; the S330 relies on a fixed brightness fill light in the dark.② Radar Motion Detection
S3 Pro wins. Dual PIR + radar sensors detect motion up to 40 feet (~12 m)and dramatically reduce false alerts from leaves, shadows, or heat shifts. S330 uses PIR only at 30 ft.
S3 Pro is equipped with both PIR and radar, with a detection range of 40 feet (12 meters), significantly reducing false alarms; S330 only has PIR, with a range of 30 feet.③ 24/7 Continuous Recording
S3 Pro wins.When connected via USB-C power, the S3 Pro records continuously 24/7 — ideal for driveways, storefronts, or vacation rentals. The S330 only records on motion triggers.
The S3 Pro can continuously record 24/7 after connecting to a USB-C power source, suitable for driveways, stores, and homestays; the S330 only triggers dynamically.④ Apple HomeKit Support
S3 Pro wins. S3 Pro is fully Apple HomeKit Secure Videocompatible. S330 supports only Alexa and Google Assistant — a deal-breaker for iPhone-first households.
S3 Pro fully supports Apple HomeKit Secure Video; S330 only supports Alexa and Google Assistant.⑤ Solar Charging Efficiency
S3 Pro wins. SolarPlus 2.0Panels need only ~2 hours of direct sunlight per day to stay fully charged — even in cloudy climates. S330's panel is reliable but less efficient in low light.
SolarPlus 2.0 only needs 2 hours of direct sunlight per day to be fully charged, and it is even more advantageous in cloudy areas.⑥ Value-for-Money
S330 wins.At similar list prices, S330 sees deeper discounts during seasonal sales — making it the better value pick for buyers not needing radar, MaxColor, or HomeKit.
During the promotional period, the S330 has a larger price reduction, making it the best value option for users who don't need flagship features.🛒 Ready to Upgrade Your Home Security?
4K UHD · Solar Powered · Zero Monthly Fees · Local Storage
4K Ultra HD · Solar Powered · Lifetime Free Monthly Fees · Local Storage
Pros and Cons of EUFY S330 and S3 Pro
EUFY S330 (eufyCam 3) — Pros & Cons
✅ Pros
- Native 4K Ultra HD resolution
- Built-in solar panel — no manual charging
- BionicMind AI face recognition
- HomeBase 3 local storage, no subscription
- Deeper sale discounts (best value)
- IP67 weatherproof
❌ Cons / Disadvantages
- No Apple HomeKit support
- Motion-only recording (no 24/7)
- 30 ft detection range (PIR only)
- Color night vision relies on spotlight
- No HDR / radar / SolarPlus 2.0
EUFY S3 Pro - Pros & Cons
✅ Pros
- MaxColor Vision — true-color in near darkness
- PIR + radar dual sensors, 40 ft detection
- 24/7 hybrid recording (when wired)
- Apple HomeKit Secure Video support
- SolarPlus 2.0 — faster solar charging
- HDR + noise-reduction audio
❌ Cons / Disadvantages
- Premium price tag
- Radar may be overkill for small homes
- 24/7 recording requires wired power
- Smaller sale discount frequency
Which EUFY camera should you buy in 2026?
👨👩👧 Choose EUFY S330 if you...
- Live in a standard home or apartment with monitoring zones under 9 meters.
- Do not use Apple HomeKit (Alexa/Google only).
- Want the best-value 4K solar camera with zero monthly fees.
- Are satisfied with motion-triggered recording.
- Prioritize price during seasonal sales.
🏡 Choose EUFY S3 Pro if you...
- Own a large property, storefront, or vacation rental.
- Need 24/7 continuous recording at key entries.
- Are deep in the Apple HomeKit ecosystem.
- Want future-proof flagship specs (MaxColor, radar, HDR, SolarPlus 2.0).
- Live in a low-light / cloudy climate.
- Care about minimal false alerts (radar filtering).
🏆 Final Verdict / Final Recommendation
The EUFY S3 Pro is the technically better camera— full stop. It wins on night vision, detection range, recording flexibility, and smart home integration.However, the EUFY S330 is the smarter buyfor most households that simply want dependable 4K outdoor security without the premium feature set. If budget allows and you want one-and-done future-proofing, go S3 Pro. For maximum value per dollar, go S330.
S3 ProIt outperforms in all aspects of specifications; however, for most families who simply need reliable 4K outdoor surveillance,The S330 is the smarter choice.If you have a sufficient budget and want to get the best deal right away, choose the S3 Pro; if you're looking for better value for money, choose the S330.Frequently Asked Questions
🔒 Secure Your Home Today / Upgrade Your Home's Protection Now
Free Shipping · 18-Month Warranty · Zero Monthly Fees
Free shipping · 18-month warranty · Lifetime free monthly fees
Sources & References
Disclaimer: Specifications and pricing reflect publicly available data from eufy.com as of June 2026, and are subject to change. This article may contain affiliate links.
Disclaimer: The specifications and prices in this article are based on information published on eufy.com in June 2026, and are subject to official confirmation. This article may contain affiliate links.