ACTi A43 vs ACTi Z316: Specification Comparison
The ACTi A43 and ACTi Z316 are both 2MP bullet cameras from the same manufacturer, aimed at installers evaluating outdoor surveillance options in a similar resolution class. The A43 is a full-size zoom bullet with optical zoom and extreme WDR targeting variable-lighting and wide-area coverage scenarios, while the Z316 is a compact mini bullet with a fixed wide-angle lens and IP68-rated submersion resistance. This comparison covers imaging capability, installation requirements, and VMS/integration fit to help buyers determine which suits their project.
In This Guide
How do the imaging specs compare?
Both cameras deliver 2MP resolution, but their optical approaches differ substantially. The A43 uses a 4.3x optical zoom lens, allowing the installer to target a specific coverage zone while maintaining full 2MP resolution across that field—useful for perimeter and distance applications where field-of-view adjustability matters at commissioning. Its WDR is rated 'Extreme WDR,' indicating a higher dynamic range tolerance. Low-light performance is described as 'Extreme low-light sensitivity,' though no specific lux or illuminance figure is provided in the supplied specs.
The Z316 uses a fixed 2.8mm f/2.0 lens delivering a wide 108.6° horizontal field of view at up to 30 fps in H.265 or H.264. Its WDR is listed as standard 'WDR'—no 'Extreme' qualifier—and night-vision mode is Adaptive IR. No minimum illumination lux value is specified for either model in the provided data, limiting a direct low-light numeric comparison. The f/2.0 aperture on the Z316 does support better light gathering in fixed-FOV deployments compared to typical fixed lenses, though the A43's 'Extreme low-light sensitivity' claim cannot be numerically verified from available specs.
What about installation and environment?
The Z316 holds a clear environmental advantage with an IP68 ingress protection rating, meaning it is rated for continuous submersion—suitable for wash-down areas, flood-prone exteriors, and demanding outdoor exposures. The A43's IP rating is not listed in the provided specifications, which is a meaningful gap for outdoor deployments where weather resistance must be confirmed before specifying. Both cameras are bullet form-factor and support wall and soffit mounting per the A43 spec; mounting options for the Z316 are not explicitly listed.
On power, the A43 supports PoE 802.3af/at (covering both classes), while the Z316 is rated for 802.3af only, drawing under 13W—well within standard switch port budgets and midspan injectors. The A43's support for 802.3at (Class 4, up to ~25.5W) suggests its optical zoom mechanism or broader feature set may draw more power than a basic 802.3af port can supply; installers should verify actual wattage from the full datasheet before planning switch infrastructure. The Z316 includes local MicroSD storage, which the A43 spec does not mention. Operating temperature ranges are not provided for either model.
Which fits your VMS and analytics better?
The A43 explicitly lists ONVIF Profile S compatibility and names three VMS platforms: Milestone, Genetec, and Hanwha. This is useful for enterprise-scale deployments where plug-in-free integration assurance with named platforms reduces certification risk. The Z316's ONVIF status is not stated in the provided specifications, nor are named VMS certifications—buyers intending to integrate the Z316 with Milestone, Genetec, or similar platforms should verify compatibility directly with ACTi before purchase.
The Z316 includes a built-in microphone, enabling audio capture without an external device—relevant for access points, lobbies, or areas where verbal context supports incident review. The A43 does not list audio capability in the supplied specs. Edge analytics are not specified for either model. The Z316 supports MicroSD on-board storage, providing local recording redundancy in network-loss scenarios; no on-board storage is noted for the A43.
Which should you choose: the A43 or the Z316?
Our take: The A43 is the stronger choice when optical flexibility, verified VMS integration, and extreme dynamic range are the primary requirements; the Z316 is the stronger choice when submersion-rated environmental protection, audio capture, edge storage, and low-power 802.3af draw are the priorities. Key spec deltas: the A43 provides 4.3x optical zoom versus the Z316's fixed 2.8mm lens, giving the A43 adjustable coverage depth the Z316 cannot match; the Z316 is IP68-rated for continuous submersion while the A43's IP rating is absent from provided specs; and the Z316 adds a built-in microphone and MicroSD storage that the A43 does not list. Platform qualifier: specify the A43 for Milestone, Genetec, or Hanwha VMS environments where named certification reduces integration risk; confirm ONVIF status independently before deploying the Z316 on those same platforms.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | ACTi A43 | ACTi Z316 |
|---|---|---|
| Resolution | 2 MP | 2 MP |
| Form Factor | Bullet | Mini Bullet |
| Lens / Focal Length | 4.3x optical zoom | 2.8mm fixed f/2.0 |
| Horizontal FOV | — | 108.6° |
| WDR | Extreme WDR | WDR |
| Low-Light / IR | Extreme low-light sensitivity | Adaptive IR |
| Max Frame Rate | — | 30 fps |
| Video Compression | — | H.265; H.264 |
| IP Rating | — | IP68 |
| Power Input / PoE Class | PoE 802.3af/at | PoE 802.3af (under 13W) |
| Edge Storage | — | MicroSD |
| Audio | — | Built-in microphone |
| ONVIF | Profile S | — |
| VMS Compatibility | Milestone; Genetec; Hanwha | — |
| Mounting | Wall; Soffit | — |
Frequently Asked Questions
Which should you choose: the A43 or the Z316?
The A43 is the stronger choice when optical flexibility, verified VMS integration, and extreme dynamic range are the primary requirements; the Z316 is the stronger choice when submersion-rated environmental protection, audio capture, edge storage, and low-power 802.3af draw are the priorities. Key spec deltas: the A43 provides 4.3x optical zoom versus the Z316's fixed 2.8mm lens, giving the A43 adjustable coverage depth the Z316 cannot match; the Z316 is IP68-rated for continuous submersion while the A43's IP rating is absent from provided specs; and the Z316 adds a built-in microphone and MicroSD storage that the A43 does not list. Platform qualifier: specify the A43 for Milestone, Genetec, or Hanwha VMS environments where named certification reduces integration risk; confirm ONVIF status independently before deploying the Z316 on those same platforms.
Is the A43 or Z316 better for low-light performance?
The A43 carries an 'Extreme low-light sensitivity' descriptor and 'Extreme WDR,' which suggests stronger performance in demanding lighting conditions compared to the Z316's standard 'WDR' and 'Adaptive IR.' However, neither model's minimum illumination lux value is present in the provided specifications, so a precise numeric comparison cannot be made. Buyers should request lux figures from ACTi's full datasheet before making a low-light decision.
Can the Z316 be used in outdoor or wet environments?
Yes—the Z316 is rated IP68, which covers continuous submersion and is among the highest ingress protection ratings available for bullet cameras. It is well-suited for wash-down areas, heavy rain exposure, and flood-adjacent installations. The A43's IP rating is not listed in the supplied specifications, so its suitability for similar conditions cannot be confirmed without consulting the full product datasheet.
Which camera works better with Milestone or Genetec VMS?
The A43 explicitly lists ONVIF Profile S certification and names Milestone, Genetec, and Hanwha as compatible VMS platforms. The Z316's ONVIF compliance and named VMS certifications are not stated in the provided specifications. For confirmed, plug-in-free Milestone or Genetec integration, the A43 has the documented advantage; Z316 compatibility with those platforms should be verified directly with ACTi before specifying.
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