Compare Blink Black Doorbell vs Eufy Video Doorbell E340

P1 Blink Black Doorbell
P2 Eufy Video Doorbell E340

Comparison Takeaways

Blink Black Doorbell

Where It Has the Edge

  • Automation flexibility is 4.0 vs 2.1. Automation is mainly delivered through Alexa, such as using a doorbell press to trigger routines like turning on...
  • Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread) is 4.0 vs 3.5. Integration is strongest with Amazon Alexa for announcements and on-demand viewing on Echo devices. Direct Google Home and...
  • Privacy is 4.1 vs 3.7. Privacy zones can block parts of the image and exclude them from motion detection and recordings. Reviewers generally...
  • Complete kit in box is rated 4.5 while the other product has no score yet. Most kits include the essentials such as mounts, hardware, and batteries, and some bundles include a Sync Module...

Eufy Video Doorbell E340

Where It Has the Edge

  • AI features is 4.2 vs 1.0. Across reviews, the E340s smart detection is a major draw: it can flag people and packages without a...
  • Object and person detection is 4.3 vs 1.3. Person/package identification is a major reason reviewers recommend the E340, with consistent mentions of human and package detection....
  • Delivery package monitoring is 4.6 vs 2.1. Package handling is the headline feature: the dual-cam view reduces the usual doorstep blind spot, and Delivery Guard-style...
  • Subscription is 4.9 vs 3.3. Reviewers consistently highlight that no subscription is required for local recording and smart alerts, which differentiates the E340...
Average score
Product 1: Blink Black Doorbell
3.5
Product 2: Eufy Video Doorbell E340
4.1
AI features
Product 1: Blink Black Doorbell
1.0

Reviews repeatedly state there are no advanced AI features such as person recognition. The doorbell focuses on basic motion-triggered recording rather than analytics.

Product 2: Eufy Video Doorbell E340
4.2

Across reviews, the E340s smart detection is a major draw: it can flag people and packages without a required subscription, and HomeBase 3 can expand AI features. Several reviewers still saw occasional misclassification or uneven accuracy, especially for more nuanced alerts.

App, software and firmware
Product 1: Blink Black Doorbell
3.5

The Blink app offers straightforward controls for zones, sensitivity, clip length, and night vision, and setup often includes automatic firmware updates. Some bugs or UI limitations are noted, such as inconsistent settings saves or limited battery status detail.

Product 2: Eufy Video Doorbell E340
4.2

Reviewers generally describe the Eufy Security app as feature-rich and straightforward to set up, with lots of toggles for alerts, zones, lighting, and responses. A minority reported UI complexity or occasional stutters/freezes when opening live view, suggesting the experience can vary by device/network.

Audio
Product 1: Blink Black Doorbell
3.8

Two-way audio is considered clear enough for conversations, and the doorbell speaker can be loud. Some lag and compression noise is mentioned, but most reviewers find it usable.

Product 2: Eufy Video Doorbell E340
4.3

Two-way talk is typically rated as clear and loud, with full-duplex conversations feeling natural for a doorbell. Some reviewers noted compression, occasional sync quirks, or minor distortion in specific playback scenarios, but overall audio performance is viewed as above average.

Automation flexibility
Product 1: Blink Black Doorbell
4.0

Automation is mainly delivered through Alexa, such as using a doorbell press to trigger routines like turning on lights. Outside the Amazon ecosystem, automation flexibility is more limited and may require third-party bridges.

Product 2: Eufy Video Doorbell E340
2.1

Automation support is a consistent limitation: reviewers repeatedly call out the lack of IFTTT and limited ecosystem depth compared with Ring/Arlo/Google. Basic routines and voice-assistant actions (especially via Alexa) are possible, but advanced automation flexibility is not a strength.

Base / Hub integration
Product 1: Blink Black Doorbell
3.6

Sync Module 2 meaningfully expands the system with on-demand live view and local USB storage, and it can support multiple Blink devices. The downside is extra cost and, in some setups, limited range to the doorbell.

Product 2: Eufy Video Doorbell E340
4.3

The doorbell works standalone, but optional HomeBase integration is frequently praised for expanding storage and adding/boosting AI features. Multiple reviews frame HomeBase 3 as a nice upgrade path for Eufy ecosystem owners rather than a requirement for basic operation.

Battery and Charging
Product 1: Blink Black Doorbell
3.8

Battery life is a major selling point, with AA lithium power often lasting months and in low-traffic cases approaching the marketed multi-year range. High-traffic doors and heavier settings can shorten life significantly.

Product 2: Eufy Video Doorbell E340
4.2

Battery life is often described as strong, helped by the removable pack and the option to trickle-charge when wired. Real-world endurance varies widely with traffic and lighting (color night vision lights can drain faster), and a few reviewers still dislike needing to remove the unit/battery for charging.

Chime
Product 1: Blink Black Doorbell
3.2

There is no dedicated indoor chime in the box, so most setups rely on phone alerts, Echo announcements, a wired chime, or a Blink Mini as a workaround. Wired chime compatibility can be finicky in some homes.

Product 2: Eufy Video Doorbell E340
3.9

Chime support is workable but fragmented: the doorbell may not include a dedicated chime, yet can use existing wired chimes, HomeBase devices, optional plug-in chimes, and Echo devices as in-home alerts. Some reviewers flagged weaker or less convenient Google Home speaker chime behavior compared with Alexa/Echo setups.

Color options
Product 1: Blink Black Doorbell
4.0

Color choice is simple, typically black or white. That is enough for most doors, but there are not many style variants beyond those basics.

Product 2: Eufy Video Doorbell E340
No score yet
Complete kit in box
Product 1: Blink Black Doorbell
4.5

Most kits include the essentials such as mounts, hardware, and batteries, and some bundles include a Sync Module 2. One review notes the printed materials can be light on setup detail, with key steps sometimes placed on packaging.

Product 2: Eufy Video Doorbell E340
No score yet
Controls and indicators
Product 1: Blink Black Doorbell
4.2

The physical button is described as responsive with a clear click and an LED ring, and the doorbell emits an audible chime for visitors. Indicator feedback in the app can be basic, for example limited battery percentage detail.

Product 2: Eufy Video Doorbell E340
No score yet
Data-usage efficiency (bandwidth)
Product 1: Blink Black Doorbell
3.6

Higher quality settings can increase bandwidth needs and file sizes, and the app provides guidance on recommended upload speeds. Standard mode is commonly viewed as the best balance for most homes.

Product 2: Eufy Video Doorbell E340
No score yet
Delivery package monitoring
Product 1: Blink Black Doorbell
2.1

Package monitoring is limited. Multiple reviews note that it lacks dedicated package detection, and the vertical framing can make it harder to confirm a package is present when it is close to the door.

Product 2: Eufy Video Doorbell E340
4.6

Package handling is the headline feature: the dual-cam view reduces the usual doorstep blind spot, and Delivery Guard-style alerts can warn on deliveries, pickups, and loitering. A recurring caveat is that detection works best when packages are placed clearly in view (larger boxes are detected more reliably than small items).

Design aesthetics
Product 1: Blink Black Doorbell
4.0

Most reviewers like the clean, compact look, though a few note it can look slightly less premium in person or that the black finish can read more gray depending on lighting.

Product 2: Eufy Video Doorbell E340
3.7

Design feedback is mixed: many describe the E340 as taller/bulkier and not the most discreet, while others appreciate the rugged, premium feel and security-minded form factor. Expect a more noticeable doorbell than slimmer single-lens rivals.

Face recognition
Product 1: Blink Black Doorbell
No score yet
Product 2: Eufy Video Doorbell E340
4.1

Face recognition is widely noted as available and useful for tagging familiar visitors, but accuracy is not uniformly perfect. Some reviews praise reliable recognition once trained, while others mention it can be inconsistent and may require setup/training (and may improve with HomeBase).

Field of view and framing
Product 1: Blink Black Doorbell
3.0

The wide horizontal view is generally adequate, but multiple reviews call out a narrow vertical framing that can miss packages or feet near the door. Placement and optional wedges/angling matter to avoid seeing too much porch ceiling and not enough doorstep.

Product 2: Eufy Video Doorbell E340
4.4

Reviewers consistently like the framing benefit of the dual-camera layout: a wide main view plus a dedicated floor view improves head-to-toe coverage and package visibility. A few mention tradeoffs like digital zoom limits or occasional blown highlights in bright sun.

Installation and Mounting
Product 1: Blink Black Doorbell
4.1

No summary yet.

Product 2: Eufy Video Doorbell E340
4.5

No summary yet.

lag)
Product 1: Blink Black Doorbell
3.1

Live view and two-way talk can introduce noticeable delay, especially when opening a feed from a notification. Several reviews mention that the lag can prevent real-time intervention, even when alerts arrive quickly.

Product 2: Eufy Video Doorbell E340
3.9

Perceived lag depends heavily on network conditions: many report fast push alerts and quick doorbell-press response, especially on home Wi-Fi. Others experienced slower live-view loading or occasional app freezes, and several note performance can degrade when away from home or far from the router.

Lens cleaning/maintenance
Product 1: Blink Black Doorbell
4.2

No summary yet.

Product 2: Eufy Video Doorbell E340
No score yet
Lens distortion handling
Product 1: Blink Black Doorbell
3.1

Wide-angle distortion is noticeable in some setups, with a mild fisheye effect reported. It usually does not prevent recognizing visitors, but it can warp edges of the frame.

Product 2: Eufy Video Doorbell E340
No score yet
Light adjustability
Product 1: Blink Black Doorbell
No score yet
Product 2: Eufy Video Doorbell E340
4.6

Where discussed, reviewers like being able to adjust the night lighting, including brightness (and sometimes color temperature), to avoid blinding visitors while still improving nighttime clarity. This control helps balance deterrence, image quality, and battery use.

Low-light and Night vision
Product 1: Blink Black Doorbell
3.5

Night vision works reliably with adjustable infrared intensity and automatic switching. However, too-high IR can wash out close faces, and bright background lights can blow out parts of the scene.

Product 2: Eufy Video Doorbell E340
4.4

Night performance is a strong point: reviewers praise color night vision enabled by built-in lights, with the option to fall back to infrared. The common tradeoff is that lights can reduce battery life and the far end of the scene may lose detail in full-color spotlight mode.

Motion detection
Product 1: Blink Black Doorbell
3.9

Motion alerts are consistently praised as responsive and generally reliable. That said, without AI filtering, some users still report false alerts that require careful zone tuning. Motion controls are a strong point, with adjustable sensitivity, re-trigger timing, clip length, and granular activity zones. Tuning is important to reduce false alerts in high-traffic areas.

Product 2: Eufy Video Doorbell E340
4.2

Motion detection is generally considered reliable and tuneable, with filters to reduce false alarms. A few reviewers still observed late triggering or missed first seconds due to PIR-style triggering and battery-saving behavior, making it less ideal for capturing lead-in context.

Notifications
Product 1: Blink Black Doorbell
3.7

Notifications are typically fast, but the experience can feel basic: no rich previews in some setups, and the live view can load slowly enough that the visitor is gone by the time you open it.

Product 2: Eufy Video Doorbell E340
4.4

Notifications are typically praised for arriving quickly and for supporting richer previews (text plus thumbnail/snapshot). Delays can occur depending on Wi-Fi/mobile connectivity, but most reviews still view the alerting experience as one of the E340s strengths versus subscription-gated competitors.

Object and person detection
Product 1: Blink Black Doorbell
1.3

Detection is basic and does not reliably distinguish people, packages, animals, or cars. Reviews repeatedly note the absence of person or package intelligence compared with pricier competitors.

Product 2: Eufy Video Doorbell E340
4.3

Person/package identification is a major reason reviewers recommend the E340, with consistent mentions of human and package detection. Several sources still note occasional misreads, but the consensus is that detection is useful and generally effective for real-world deliveries.

Ongoing ownership costs
Product 1: Blink Black Doorbell
3.4

Ownership costs depend on how you store clips and how often you check live view. The doorbell can be inexpensive up front, but a Sync Module and USB drive or a subscription may be needed to unlock the experience most buyers expect.

Product 2: Eufy Video Doorbell E340
4.9

The long-term cost story is repeatedly positive because core recording and smart alerts do not require a monthly plan. Optional cloud storage, extra hardware (HomeBase), or spare batteries can add cost, but the baseline ownership cost is commonly framed as lower than subscription-dependent rivals.

Peace of mind
Product 1: Blink Black Doorbell
No score yet
Product 2: Eufy Video Doorbell E340
4.7

Multiple reviews explicitly cite improved peace of mind, especially for frequent deliveries or limited mobility, because the doorbell makes it easier to verify visitors and packages quickly. The dual view and deterrence-style features are often credited for making the system feel more protective than basic doorbells.

Phone call integration
Product 1: Blink Black Doorbell
2.0

Some reviewers wish for a true call-style experience where a doorbell press opens a full-screen incoming call interface. As reviewed, interactions are notification-driven rather than phone-call integrated.

Product 2: Eufy Video Doorbell E340
No score yet
Porch light brightness
Product 1: Blink Black Doorbell
No score yet
Product 2: Eufy Video Doorbell E340
4.3

The built-in lights are widely described as helpful for color night video and as a visual deterrent that signals the camera is active. Some reviewers wish the lighting direction/coverage were different, and several note that using lights more aggressively can reduce battery life.

Power Options and Compatibility
Product 1: Blink Black Doorbell
3.6

You can run it on batteries or connect it to existing doorbell wiring to trigger an indoor chime. Multiple reviews note that wiring does not necessarily turn it into a fully powered always-on camera, and batteries may still be required as backup in some installations.

Product 2: Eufy Video Doorbell E340
4.2

Power flexibility is widely confirmed: battery operation is easy, and hardwiring can provide constant/trickle power and trigger an existing chime. Several reviewers emphasize that wiring does not necessarily convert the E340 into a true always-on, wired-recording doorbell in the way some competitors can.

Pre-roll buffer
Product 1: Blink Black Doorbell
No score yet
Product 2: Eufy Video Doorbell E340
2.2

Most reviews suggest you should not expect robust pre-roll or true 24/7 recording; multiple sources explicitly say there is no pre-record/pre-roll mode. A few mention limited pre-event capture settings or buffers, but overall this is not a defining strength of the E340.

Price and value
Product 1: Blink Black Doorbell
4.0

Value is widely cited as a key advantage, often beating rivals on entry price. The best value case is for Alexa/Blink households or buyers comfortable with the platform tradeoffs and storage add-ons.

Product 2: Eufy Video Doorbell E340
4.2

Value ratings are generally strong for buyers avoiding subscriptions, even when reviewers call the upfront price higher than budget models. The most common framing is that the E340s feature set (dual cameras, local storage, smart alerts) justifies the cost if those benefits matter.

Privacy
Product 1: Blink Black Doorbell
4.1

Privacy zones can block parts of the image and exclude them from motion detection and recordings. Reviewers generally see this as a practical privacy control for neighbors windows or sensitive areas.

Product 2: Eufy Video Doorbell E340
3.7

Privacy sentiment is nuanced: reviewers appreciate privacy zones/squares and optional security controls (such as 2FA), but several reference past security controversies around the brand. One practical criticism is that privacy masking can sometimes obscure a visitors face depending on how it layers on the scene.

Quick-reply / pre-recorded message usefulness
Product 1: Blink Black Doorbell
No score yet
Product 2: Eufy Video Doorbell E340
4.4

Quick replies and deterrence messaging are repeatedly described as genuinely useful, from simple canned responses to package-guard voice warnings that can startle or discourage opportunistic theft. Custom recordings and fast triggering are recurring positives.

Recommendation for new buyers
Product 1: Blink Black Doorbell
3.5

Recommendations vary by buyer type: several reviewers strongly recommend it for budget and Alexa/Blink users, while others steer most shoppers to smarter competitors if they need better framing, richer features, or faster live view.

Product 2: Eufy Video Doorbell E340
No score yet
Recording
Product 1: Blink Black Doorbell
3.4

Recording is event-based with configurable short clips rather than continuous 24/7 capture. Clip length limits and arm/disarm behavior shape what gets recorded and how useful playback is after the fact.

Product 2: Eufy Video Doorbell E340
3.7

Recording is primarily event-based, and reviewers like having local clips that are easy to browse and download. The biggest recurring limitation is the lack of true 24/7 recording and the occasional desire for higher bitrate/less compression controls.

Reliability (general)
Product 1: Blink Black Doorbell
3.7

Overall reliability is viewed as good for a budget doorbell, with consistent recording when armed and dependable alerts. A few reviewers mention occasional glitches, lag, or local-storage management quirks.

Product 2: Eufy Video Doorbell E340
4.0

Overall reliability is typically rated high once installed, but it is still dependent on stable Wi-Fi and internet access for alerts and remote live view. A handful of reviews mention occasional missed triggers, integration hiccups, or performance slowdowns when connectivity is weak.

Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
Product 1: Blink Black Doorbell
4.0

Integration is strongest with Amazon Alexa for announcements and on-demand viewing on Echo devices. Direct Google Home and Apple HomeKit support is generally absent, with workarounds required if you want cross-ecosystem control.

Product 2: Eufy Video Doorbell E340
3.5

Integration coverage is considered decent for Alexa and Google Assistant (including smart display streaming and in-home announcements), but many reviewers call out missing Apple HomeKit support. Broader smart-home compatibility (Matter/Thread/IFTTT/SmartThings) is also commonly described as limited.

Snapshot capture
Product 1: Blink Black Doorbell
3.1

Snapshot or photo capture is available in some modes, often tied to subscription features such as hourly photos or faster clip access. Without a plan, the thumbnail and snapshot behavior can be more limited depending on setup.

Product 2: Eufy Video Doorbell E340
4.4

Snapshot-style previews (thumbnails/rich notifications) are frequently cited as improving usability because you can triage alerts without opening the app. Several reviews treat this as a key quality-of-life feature versus plans that lock it behind subscriptions.

Storage
Product 1: Blink Black Doorbell
3.7

Storage options are flexible: cloud clips with a subscription, limited free cloud for some legacy users, and local USB storage via Sync Module 2. Local storage can require manual management, and some implementations do not automatically overwrite the oldest clips.

Product 2: Eufy Video Doorbell E340
4.3

Local storage is a core advantage: 8GB onboard is repeatedly mentioned, with optional expansion via HomeBase or cloud plans. The common complaint is the lack of a simple microSD slot, making expansion either an extra purchase (HomeBase) or a paid cloud option.

Subscription
Product 1: Blink Black Doorbell
3.3

Subscriptions add conveniences like longer cloud history, faster access, and live-view recording, but they are not strictly required if you use Sync Module 2 with USB storage. Reviewers disagree mainly on how much functionality you lose without paying.

Product 2: Eufy Video Doorbell E340
4.9

Reviewers consistently highlight that no subscription is required for local recording and smart alerts, which differentiates the E340 from many competitors. Cloud subscriptions exist as an optional add-on for longer history or off-device backups, but they are not presented as mandatory for basic use.

System completeness
Product 1: Blink Black Doorbell
3.5

As a system, it can be very complete for Blink/Alexa households when paired with Sync Module 2, USB storage, and optional chime solutions. Out of the box, missing pieces like an indoor chime and limited smart detection can make it feel incomplete for some buyers.

Product 2: Eufy Video Doorbell E340
No score yet
Theft and Tamper
Product 1: Blink Black Doorbell
3.0

Physical security is mixed: one test found the doorbell easy to remove, while another notes the included release tool adds some friction. If theft is a concern, placement and additional mounting security matter.

Product 2: Eufy Video Doorbell E340
4.1

Anti-theft and tamper considerations get mixed notes: some sources mention tamper alarms and the need for a release pin/key, while others worry the unit can still be removed and stolen. Several reviewers suggest cloud backup or HomeBase storage as a hedge if device theft is a concern.

Video resolution and detail
Product 1: Blink Black Doorbell
3.5

Across reviews, 1080p footage is described as clear enough for general monitoring, but not class-leading. Several reviewers note compression, limited HDR/dynamic range, and occasional difficulty identifying faces in backlit scenes.

Product 2: Eufy Video Doorbell E340
4.3

Video quality is most often described as sharp and detailed from the 2K main camera, with the lower camera adequate for doorstep context. Some reviewers note HDR/bright-sun challenges or heavy compression in certain setups, but the overall consensus remains positive for typical doorbell distances.

Video sharing options
Product 1: Blink Black Doorbell
4.4

Clips can be saved or shared from the app using the phones sharing tools, which reviewers find useful for exporting important events. This is especially important for managing limited cloud history or local-storage constraints.

Product 2: Eufy Video Doorbell E340
No score yet
Wi-Fi range and stability
Product 1: Blink Black Doorbell
3.2

Connectivity is generally fine on 2.4 GHz networks, but range can be a limitation in larger homes, especially between doorbell and Sync Module. Some users may need more than one module for coverage.

Product 2: Eufy Video Doorbell E340
3.9

Connectivity feedback varies: several reviews stress that performance is best with strong Wi-Fi near the door, and some note the device may be limited to 2.4 GHz networks. Router distance, weak mobile signal, or internet outages can materially affect live view speed and remote responsiveness.

Zones and activity areas
Product 1: Blink Black Doorbell
4.1

Activity and privacy zones are widely supported and are frequently used to block streets, cars, or neighbor areas. More granular zone grids help tailor detection to a specific porch layout.

Product 2: Eufy Video Doorbell E340
4.4

Activity zones are commonly used to reduce unwanted alerts, and reviewers generally find them effective when combined with sensitivity and person/package filters. A few note limits on how many zones you can set or that careful tuning is required for busy streets.