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Eufy S300 vs S330 Security Camera: A Detailed Comparison

VS Reports VS Reports, April 18, 2025

When it comes to securing your home, having a reliable and feature-packed surveillance system is essential. The eufy Security eufyCam S300 and eufyCam S330 are two of the top contenders in the world of home security cameras. Both offer impressive 4K resolution, local expandable storage, and advanced AI-powered features like facial recognition, but they also have key differences that set them apart. Whether you’re looking for a long-lasting, rechargeable battery or an eco-friendly solar-powered option, we will help you determine which system best fits your needs by comparing their features, performance, and value.

Eufy S300 Security Camera

Eufy S300 Security Camera

The eufy Security eufyCam S300 (eufyCam 3C) 4-Cam Kit offers impressive security features that are ideal for both day and night surveillance. With its 4K resolution, users can capture highly detailed footage, making it easier to spot potential intruders, whether they are human or animal. The Starlight photosensitive system enhances low light conditions, allowing for clear color footage even at night. One standout feature is the local, expandable storage, which gives users control over their data and eliminates the need for a monthly subscription fee. The BionicMind AI with facial recognition further enhances security by distinguishing between family members and strangers. However, while the system offers strong performance, there are some inconsistencies in battery life and motion detection, which can be affected by traffic levels or setup conditions.

Key Features, Pros, and Cons

Key Features:

  1. 4K resolution with Starlight photosensitive system for clear day and night vision.
  2. Local, expandable storage with up to 16 TB capacity for video storage.
  3. BionicMind AI with facial recognition for enhanced security.
  4. Wireless setup with 180 days of battery life on a single charge.
  5. Voice control compatibility with Alexa and Google Assistant.

Pros:

  1. High-quality video resolution for clear images both day and night.
  2. No monthly fees, thanks to local expandable storage.
  3. Face recognition feature provides added security and customization.
  4. Long battery life with up to 180 days on a single charge.
  5. Easy setup and intuitive app for remote monitoring.

Cons:

  1. Some users report inconsistent battery life, especially in high traffic areas.
CHECK PRICE ON AMAZON

Eufy S330 Security Camera

Eufy S330 Security Camera

The eufy Security eufyCam S330 (eufyCam 3) 4-Cam Kit offers a solid, eco-friendly solution for home security with 4K resolution and advanced night vision features. The Starlight system ensures vibrant, clear footage even in low-light conditions, making it a significant upgrade over traditional 1080p cameras. One of the most appealing aspects of the system is the integrated solar panel, which allows the cameras to operate continuously with just two hours of sunlight. The system also features BionicMind AI, which helps accurately identify familiar faces versus strangers, and the local storage solution ensures all footage is securely encrypted without relying on monthly fees. Despite the impressive features, some users have found the motion detection and AI implementation to be inconsistent, and while the solar panel is a great idea, there are mixed reports about its effectiveness in various weather conditions.

Key Features, Pros, and Cons

Key Features:

  1. 4K resolution with Starlight system for clear night vision.
  2. Integrated solar panel for continuous operation with minimal sunlight.
  3. BionicMind AI for facial recognition and intelligent intruder alerts.
  4. Expandable local storage (up to 16 TB) with military-grade encryption.
  5. Voice control compatibility with Alexa and Google Assistant, plus customizable activity zones.

Pros:

  1. Excellent 4K video quality with vibrant colors and superior night vision.
  2. Solar-powered functionality reduces the need for frequent charging.
  3. No monthly fees thanks to local storage and military-grade encryption.
  4. Easy to install and control with Alexa and Google Assistant integration.
  5. Expandable storage capacity for long-term video retention.

Cons:

  1. Motion detection performance can be inconsistent.
CHECK PRICE ON AMAZON

Comparison of Eufy S300 vs S330 Security Camera

Both the eufy Security eufyCam S300 (eufyCam 3C) and the eufyCam S330 (eufyCam 3) are high-quality, feature-rich security camera systems designed to provide robust surveillance for your home or business. While both products offer impressive 4K resolution, local storage, and AI-powered features, they differ in certain aspects such as their power sources, motion detection capabilities, and eco-friendly design.

Key Features Comparison

FeatureeufyCam S300 (eufyCam 3C)eufyCam S330 (eufyCam 3)
Resolution4K4K
Night VisionStarlight system for color night visionStarlight system for color night vision
AI FeaturesBionicMind AI (Facial Recognition)BionicMind AI (Facial Recognition)
StorageLocal expandable up to 16 TBLocal expandable up to 16 TB
Power SourceRechargeable batterySolar panel + rechargeable battery
Motion DetectionAI-powered motion detectionAI-powered motion detection
Solar PanelNoYes (integrated solar panel)
Voice ControlAlexa, Google AssistantAlexa, Google Assistant
Battery Life180 days on a single chargeSolar-powered + rechargeable
PriceGenerally lower pricedGenerally higher priced

Power and Efficiency

The most significant difference between the eufyCam S300 (eufyCam 3C) and the eufyCam S330 (eufyCam 3) lies in their power sources. The eufyCam 3C relies on rechargeable batteries with up to 180 days of battery life from a single charge, which makes it an excellent choice for those looking for long-term surveillance without needing to recharge frequently. However, the eufyCam 3 goes a step further by integrating a solar panel, which requires only two hours of sunlight to provide continuous operation, significantly reducing the need for battery charging. While the solar-powered design of the eufyCam S330 is more eco-friendly, its reliance on sunlight can be a disadvantage in areas with limited sunlight, especially during cloudy weather.

Night Vision and Video Quality

Both systems provide 4K resolution, ensuring high-quality footage both day and night. The Starlight system in both cameras enhances the low-light performance, delivering vibrant color night vision that outperforms traditional 1080p cameras. Whether you’re monitoring your home during the day or at night, the image clarity is excellent, making it easier to spot details, such as faces or smaller objects. There are no significant differences between the two models in terms of video quality and night vision, and both are highly praised by users for their ability to deliver clear and detailed footage even in challenging lighting conditions.

AI and Motion Detection

Both the eufyCam 3C and eufyCam 3 feature BionicMind AI, which powers facial recognition and intelligently differentiates between family members and strangers. This makes the cameras smarter than traditional motion detectors, reducing the number of false alarms caused by animals or passing cars. However, user feedback on the motion detection capabilities has been mixed, with some customers experiencing delays or missed alerts. While some users report great performance, others feel that the system could be more responsive. The AI-powered detection in both models helps improve the user experience, but eufyCam 3 users have slightly more flexibility, thanks to its integrated solar panel, reducing the need for frequent maintenance.

Storage and Privacy

Both camera kits offer local expandable storage, allowing users to store footage securely without the need for cloud subscriptions. The eufyCam S300 (eufyCam 3C) and eufyCam S330 (eufyCam 3) can expand up to 16 TB of local storage, and both use military-grade encryption to protect your data. This is a major advantage for users who want complete control over their data and prefer not to rely on third-party cloud services. The privacy-first storage solution of these cameras is a significant selling point, especially considering that no monthly subscription is required, unlike many other security systems that rely on cloud storage with recurring fees.

FAQ

What is the difference between the eufyCam S300 and eufyCam S330?

The main difference between the eufyCam S300 (eufyCam 3C) and the eufyCam S330 (eufyCam 3) lies in their power sources. The eufyCam S300 relies on a rechargeable battery that lasts up to 180 days on a single charge. In contrast, the eufyCam S330 is equipped with an integrated solar panel, which can power the camera with just a few hours of sunlight, reducing the need for frequent charging. This makes the eufyCam S330 more eco-friendly, but the solar panel’s performance may vary depending on weather conditions.

Does the eufyCam 3 series offer facial recognition?

Yes, both the eufyCam S300 and the eufyCam S330 feature BionicMind AI, which includes facial recognition capabilities. This advanced AI can differentiate between family members and strangers, enhancing the security system’s effectiveness by preventing false alerts from familiar faces. However, some users have reported mixed results with the AI recognition feature, requiring occasional adjustments for optimal performance.

How secure is the local storage for footage?

Both the eufyCam S300 and eufyCam S330 provide a secure, privacy-first storage solution with local expandable storage. The cameras use military-grade encryption to protect your footage, ensuring that your data remains private and is not subject to cloud service vulnerabilities. You can expand the local storage up to 16 TB, providing ample space to store footage without incurring any monthly fees for cloud services.

How easy is it to install the eufyCam S300 or S330?

Both camera systems are known for their easy installation process. The eufyCam S300 and eufyCam S330 come with an intuitive mobile app that guides you through the setup steps. Mounting the cameras is straightforward, and both systems are designed to work wirelessly, eliminating the need for complicated wiring or technical expertise. Whether you’re a DIY enthusiast or a first-time user, both models make setting up your home security system hassle-free.

How long does the battery last on the eufyCam S330 with solar power?

The eufyCam S330 benefits from its integrated solar panel, which can provide continuous power with just a couple of hours of direct sunlight per day. This solar feature significantly reduces the need for manual charging, making it ideal for areas with good sun exposure. However, its effectiveness can be diminished in regions with limited sunlight or during cloudy periods, and users may need to recharge the camera during prolonged overcast weather.

Conclusion

Both the eufyCam S300 (eufyCam 3C) and the eufyCam S330 (eufyCam 3) are excellent choices for anyone looking for a 4K security camera system with advanced AI features, high-quality video resolution, and local storage without subscription fees. The eufyCam S300 (eufyCam 3C) offers a reliable, long-lasting battery life, while the eufyCam S330 (eufyCam 3) provides an eco-friendly solution with its integrated solar panel. However, the eufyCam S330 may be a better choice for areas with ample sunlight, while the eufyCam 3C is perfect for those who need a simple, effective solution without relying on solar power.

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