eufyCam S4 vs eufyCam C35: Which Outdoor Camera Fits Your Property?

Quick answer

If you need a full-property outdoor security system with advanced tracking and no monthly fees, the eufyCam S4 (via the eufy NVR Security System S4) is the stronger choice. For a budget-friendly, solar-powered camera that covers a single key area, the eufyCam C37 (sold as a 2-pack with HomeBase Mini) offers excellent value. Choose S4 for comprehensive, multi-camera coverage; choose C37 for simple, cost-effective monitoring.

Choosing the right outdoor security camera can feel overwhelming, especially with so many options on the market. Two popular choices from eufy are the eufyCam S4 and the eufyCam C37 (often compared alongside the C35 series). In this comparison, we'll break down the key differences to help you decide which camera fits your property's needs.

We'll look at coverage, power, video quality, and overall value, using only the facts provided by eufy. Whether you're securing a small backyard or a large estate, understanding these trade-offs is essential.

Coverage and Tracking: One Camera vs. Whole-Home System

The eufyCam S4 is part of the eufy NVR Security System S4, which includes two 4K turret cameras for fixed zones and two 2-in-1 bullet and Pan-Tilt-Zoom cameras. The PTZ cameras combine an upper fixed 4K wide-angle lens with a lower 2K PTZ camera that offers 360° coverage and 8× zoom for active tracking. This means the S4 system can cover your entire property with dynamic tracking and auto-framing, ensuring no blind spots.

In contrast, the eufyCam C37 (available as a 2-pack with HomeBase Mini) offers 360° AI tracking with pan and tilt on a single camera. It's designed to eliminate blind spots in a specific area, like a driveway or backyard, but it doesn't provide the multi-camera coverage of the S4 system. If you need to monitor multiple zones, you'd need multiple C37 cameras.

• S4 system: 4 cameras, including PTZ with 8× zoom, for whole-home coverage.
• C37: single camera with pan/tilt, ideal for one key area.

Power and Installation: Solar vs. Plug-In

Both cameras offer solar power options, but they differ in implementation. The eufyCam S330 (eufyCam 3) features an integrated solar panel that needs only 2 hours of daily sunlight to be self-sustaining. However, the S4 system's cameras are typically wired to the NVR, which may require professional installation. This ensures continuous power but adds setup complexity.

The eufyCam C37 comes with a detachable 3W solar panel for versatile installation, allowing you to position the panel for optimal sunlight while placing the camera where you need it. This flexibility is great for renters or those who prefer a DIY setup. The C37 is also a one-time purchase with no monthly fees, just like all eufy cameras.

• S4: wired system, may need professional installation.
• C37: solar panel with flexible placement, easy DIY setup.

Video Quality and Night Vision

Video quality is crucial for identifying intruders. The eufyCam S330 (part of the S4 ecosystem) delivers 4K detail day and night, with a Starlight photosensitive system that enhances low light for color clarity. This is ideal for capturing fine details like facial features or license plates.

The eufyCam C37 offers 2K resolution, which is still sharp but not as detailed as 4K. It also lacks the advanced Starlight system, so night vision may be less clear in very low light. For most residential needs, 2K is sufficient, but if you have a large property or require the highest detail, 4K is the way to go.

• S4: 4K with Starlight for color night vision.
• C37: 2K resolution, adequate for most uses.

Trade-Offs at a Glance

• Coverage: S4 system covers the entire property with 4 cameras; C37 covers one area with a single pan/tilt camera. Choose S4 for whole-home, C37 for spot monitoring.
• Video Quality: S4 offers 4K resolution with Starlight night vision; C37 offers 2K resolution. If you need maximum detail, go with S4; 2K is often sufficient for residential use.
• Power Source: S4 is wired to the NVR (requires installation); C37 uses a detachable solar panel for flexible placement. C37 is more DIY-friendly; S4 may need professional setup.

Key Product Facts

• eufy NVR Security System S4: Complete 4-Camera Security System: two 4K turret cameras for fixed zones and two 2-in-1 bullet and Pan-Tilt-Zoom cameras with 360° coverage and 8× zoom for active tracking. This system offers whole-home coverage with advanced tracking, making it ideal for larger properties where you need to monitor multiple areas without blind spots.
• eufyCam C37 2 Pack and HomeBase Mini Bundle: 360° AI Tracking with Pan and Tilt: Use a single camera to enjoy all-around coverage and eliminate blind spots with auto-tracking that keeps people, pets, and vehicles perfectly centred as they move. You get comprehensive coverage of a single area with a cost-effective, easy-to-install solution, perfect for monitoring a driveway or backyard.

How to Choose

Best for

• Homeowners with larger properties needing whole-home security coverage.
• Users who want advanced features like 4K resolution and active tracking.

Not for

• Budget-conscious buyers who only need to monitor a single area.
• Renters or those seeking a quick, no-installation setup.

In summary, the eufy NVR Security System S4 is a robust solution for comprehensive outdoor security, while the eufyCam C37 offers a more affordable and flexible option for targeted monitoring. Assess your property size, installation preferences, and video quality needs to make the right choice. For a full-property system, explore the eufy NVR Security System S4; for a simple solar-powered camera, consider the eufyCam C37 2 Pack.