Eufy SoloCam S220 vs Eufy Security Solocam S340
We compare the Eufy SoloCam S220 and the Eufy Security Solocam S340 across every dimension that matters - our scores, the key specs, and how each performs on the things you will actually notice day to day.
At a glance
| Eufy SoloCam S220 | Eufy Security Solocam S340 | |
|---|---|---|
| Our score | 7.9/10 | 7.5/10 |
| Best for | Keeping an eye on your home, indoors or out, without a monthly fee | Keeping an eye on your home, indoors or out, without a monthly fee |
| Not ideal for | Buyers who want fully managed off-site cloud storage as standard | Buyers who want fully managed off-site cloud storage as standard |
| Brand | Eufy | Eufy |
Video Quality and Resolution
Eufy SoloCam S220
With a stated 2K resolution, this security camera is designed to produce clearer video than standard 1080p-style footage, particularly when a scene includes faces, signage, or other fine details at typical outdoor distances. Higher resolution improves the ability to zoom in on recorded clips for identification, because small features occupy more pixels. Image clarity still depends on lighting conditions, camera placement and the amount of motion in the scene, since fast movement can blur small objects. The company includes local SD recording, which may help preserve detail for later review.
Eufy Security Solocam S340
Video quality is shaped by the SoloCam S340's dual-camera setup and its 3K/5MP resolution, which is designed to capture clearer details than standard lower-resolution cameras. The two cameras support wider coverage, which helps reduce gaps when monitoring outdoor areas. Exact results vary by scene, because distance and object size affect how much usable detail remains. The device uses 2.4 GHz Wi-Fi and supports local recording, so video quality largely reflects the camera's resolution rather than cloud processing, which is not stated. No dedicated compression or bitrate figures are provided, so file clarity cannot be precisely quantified.
Day and Night Vision
Eufy SoloCam S220
Day and night performance matters for outdoor cameras because they must cope with low-light conditions and strong contrast from sources such as headlights, streetlights, and sunrise or sunset. For the Eufy, The security camera positions it as an outdoor, wireless security camera designed to record from day into night, using its 2K resolution to capture detail. Image quality depends on exposure control, since bright areas can lose detail and darker areas can appear less clear.
Eufy Security Solocam S340
Day and night performance from the Eufy depends on how well its outdoor dual-camera system handles changing light, particularly when subjects move across the scene. In daylight, the camera's 3K/5MP recording should help keep faces and fine detail clearer, although results vary with weather and glare. At night, it needs to switch to low-light capture, and moving objects can create brief exposure changes as brightness varies across the frame. As an outdoor, wireless camera, it suits nighttime entrances, but constant shadows or strong backlight can reduce clarity. For best results, responsible positioning is important because the camera may capture beyond your property boundary depending on its field of view.
Power and Placement
Eufy SoloCam S220
Power and placement heavily influence how reliably the Eufy operates day to night, because continuous outdoor recording depends on keeping it energised and positioned correctly. The SoloCam S220 is an outdoor wireless camera with solar charging, so the key factor is where sunlight reaches the unit. Mount it where it can receive steady light, rather than where eaves, walls, or nearby trees throw long shadows across the camera. Mount height also matters, since the camera needs to clear ground clutter while maintaining the right sight lines to key areas. Even with weatherproof housing, poor energy input from the surroundings can reduce recording time, which may occur alongside stable Wi-Fi.
Eufy Security Solocam S340
It is described as weatherproof, which points to outdoor use rather than sheltered indoor placement. For dependable operation, placement should prioritise direct daylight and consistent sun exposure across the seasons. Excess shade and shorter winter days could reduce solar charging. The camera's 360° coverage offers more flexibility when positioning, but strong Wi-Fi signal still matters for day-to-day performance.
Storage and Subscription
Eufy SoloCam S220
Storage and subscription are handled in a practical way on the security camera, since it supports local SD storage and is described as having "no monthly cost." This means recordings can be saved on the camera itself, rather than requiring a paid cloud plan for storage. HomeBase 3 compatibility is also mentioned, which may affect how footage is organised depending on the selected configuration.
Eufy Security Solocam S340
Storage and subscription are key aspects of the Eufy setup because it supports local SD storage, allowing recordings to be saved on the device rather than relying on a paid cloud plan. This can help keep video local and reduce ongoing costs, but it also means SD card capacity must be managed. With local storage, it is important to check available space periodically, because a full card prevents new recordings. The product title also indicates HomeBase S380 compatibility.
Smart Detection and Alerts
Eufy SoloCam S220
Smart detection and alerts on the Eufy SoloCam S220 are designed to help the camera focus on events that matter, rather than sending notifications for every movement. The camera can flag motion and users can review events from local SD storage, so alerts can be triaged faster. This can reduce notification noise, particularly for routine outdoor activity such as passing shadows. Setup typically involves choosing the notification behaviour first, then testing it near likely trigger areas.
Eufy Security Solocam S340
Because smart detection strongly shapes day-to-day usefulness, the Eufy is designed to prioritise alerts rather than continuous motion recording. It uses a pan-and-tilt (PTZ) approach to help broaden the viewing area as activity occurs. Dual cameras are included to help reduce blind spots, and 360-degree surveillance can be useful outdoors where viewing angles shift. Alerts still depend on how well the camera's active coverage matches typical household routes, because detection misses can happen when people remain outside the camera's active zone. In routine testing, accuracy matters alongside notification speed.
Two-Way Audio and Siren
Eufy SoloCam S220
Two-way audio and a siren on the Eufy support real-time interaction, rather than relying only on locally stored SD footage. When motion or a detected event occurs, the camera can transmit audio, and it can also play an alarm sound on-site. This can deter unauthorised activity or allow householders to communicate with delivery drivers. The main trade-off is escalation risk, since raised audio can intensify tense situations. Overall, it adds an interactive layer, although the deterrence effect can vary with the surrounding environment and how the feature is used.
Eufy Security Solocam S340
Two-way audio and a siren provide an additional response once the SoloCam S340 detects activity, enabling deterrence and communication without someone needing to open the door. The system can play a warning sound, while two-way audio lets a person nearby be heard through the camera's speaker and microphone. This can help clarify what is happening, including whether a visitor is calling or if an intruder is present. Performance depends on ambient noise levels and proximity to the camera, and the outdoor design supports use at entrances.
App and Setup
Eufy SoloCam S220
Setting up the security camera is designed around an app-led workflow. The process starts with installing the Eufy app, pairing the camera to a 2.4 GHz Wi-Fi network, and confirming a reliable connection. The next stage is choosing recording options, such as motion or continuous monitoring, then ensuring the camera saves footage to local storage (SD; specifics not stated). HomeBase 3 compatibility should be confirmed in the app, as setup steps can vary.
Eufy Security Solocam S340
Setting up the Eufy starts in the eufy Security app, where it guides the user through adding the camera to the account and choosing the right Wi-Fi network. The app prompts for basic location and pairing steps, then attempts a connection over 2.4 GHz Wi-Fi because the camera supports that band only. After pairing succeeds, the user can confirm the installation location and test live viewing. The strength is the guided workflow with clear prompts, while a weakness is that setup can fail if the network is unstable or the Wi-Fi credentials are incorrect.
Who Is This Security Camera For?
Eufy SoloCam S220
Who is the security camera for? It suits people who want an outdoor, wireless security camera with 2K resolution and solar charging, and who prefer local storage without a monthly fee. It fits homes where Wi-Fi is available at 2.4 GHz, and where recording can be stored to an SD card rather than relying on a paid cloud service. It also works for buyers planning to use HomeBase 3 for a broader system. This may feel limiting for those needing support beyond what is stated.
Eufy Security Solocam S340
The Eufy is a good fit for homeowners who want outdoor coverage with pan-and-tilt control, without paying a monthly recording subscription. It suits people who prefer local recording, as it uses SD storage and avoids monthly fees, and those who want 3K home security video with dual cameras for clearer views. With 2.4 GHz Wi-Fi support and weatherproof design, it works well for typical suburban driveways, patios and front entrances. It is also suitable for buyers planning to pair it with HomeBase S380. Buyers looking for more advanced features may find gaps.
Eufy SoloCam S220: pros
- 2K video
- Local SD storage - no subscription needed to record
- Solar charging with solar option
Cons
- Cloud backup and longer history still need an optional paid plan
- As a Wi-Fi camera, reliability depends on your home wireless signal at the mounting spot
- Wired power means it must be mounted near a socket or hardwired
Eufy Security Solocam S340: pros
- 3K/5MP video
- Local SD storage - no subscription needed to record
- Solar charging with solar option
- Pan and tilt to follow movement
Cons
- Cloud backup and longer history still need an optional paid plan
- As a Wi-Fi camera, reliability depends on your home wireless signal at the mounting spot
- Wired power means it must be mounted near a socket or hardwired
Our verdict
Our pick is the Eufy SoloCam S220 (our score 7.9/10) - A practical security camera (2K, solar charging, no-subscription storage) for home security, with phone alerts and night vision. The Eufy Security Solocam S340 is still worth it if it is cheaper when you check, or if it better matches your specific needs.