ACTi A952 vs ACTi Z954: Specification Comparison
Both the ACTi A952 and ACTi Z954 are 8MP outdoor speed dome PTZ cameras from the same manufacturer, designed for wide-area surveillance with optical zoom lenses. This comparison examines how the two models differ across imaging capability, installation requirements, and systems integration — helping installers and IT buyers determine which unit best fits a given deployment's power infrastructure, analytics needs, and VMS environment.
In This Guide
How do the imaging specs compare?
The A952 resolves at 3864×2180 on a 1/1.8" sensor with a 6.4–138.5 mm lens delivering 22x optical zoom (plus 10x digital), while the Z954 offers a 6–150 mm motorized lens at 25x optical zoom with an aperture range of f1.5–3.4. The Z954's longer focal range and faster aperture provide a marginal zoom advantage and more light-gathering capacity at the lens level. Both cameras deliver 30 fps at 4K.
On low-light and WDR performance the A952 carries more documented specifications: minimum illumination is stated at 0.002 lux (color) and 0 lux with IR active, IR range reaches 250 m, and WDR is rated at Extreme 150 dB. The Z954 lists IR and SLLS (Super Low Light Sensitivity) as low-light technologies but does not specify a minimum illumination value, IR range, or a numeric WDR rating in the provided specs — those figures are absent for the Z954.
What about installation and environment?
Both units carry an IP66 weather rating. The A952 additionally holds an IK10 impact rating (metal casing) and a documented operating temperature of -40°C to +50°C with an integral heater — suitable for extreme-cold environments. No IK rating and no operating temperature range are listed for the Z954 in the provided specifications.
Power requirements differ substantially. The A952 requires PoE++ (IEEE 802.3bt, Type 3, Class 6) at 60 W, or AC 24 V — installers must confirm that switch ports or midspans support 802.3bt before deployment. The Z954 is listed as PoE (802.3af) compatible, which is far more common in existing infrastructure, but also lists High PoE and DC/AC 24 V as options; a definitive maximum wattage draw is not stated in the provided Z954 specs. The A952 supports wall, pole, pendant, corner, and rack mounting; the Z954 is listed for ceiling and wall only.
Which fits your VMS and analytics better?
The A952 declares ONVIF compliance across Profiles S, G, T, and M, giving it broad compatibility with recording platforms that rely on any of those profiles, including those requiring ONVIF Profile G for edge storage. The Z954 is listed as ONVIF Profile T (PTZ) only; Profiles S, G, and M are not listed in the provided specs.
Edge analytics is a clear differentiator. The A952 carries an onboard Deep Learning Processing Unit (DLPU) running face detection, Automatic License Plate Recognition (ALPR), people counting, and VMD at the edge — reducing server load and enabling standalone intelligent alerting. No edge analytics capabilities are listed for the Z954. Both cameras include audio input; the A952 additionally specifies two-way audio with line-in and line-out. Neither unit lists a built-in SD card slot in the provided specifications; edge storage capability is not confirmed for either model from the data provided.
Which should you choose: the A952 or the Z954?
Our take: The A952 is the stronger choice when the deployment demands deep analytics at the edge, extreme-cold operation, or hardened impact resistance. Concretely: the A952 provides a documented 150 dB Extreme WDR versus no numeric WDR rating for the Z954; an IR range of 250 m versus no stated figure for the Z954; and onboard DLPU analytics (ALPR, face detection, people counting) that are entirely absent from the Z954's listed specifications. The A952 also spans ONVIF Profiles S, G, T, and M compared to Profile T alone on the Z954. The trade-off is power infrastructure — the A952 demands 802.3bt PoE++ at 60 W, which requires switch or midspan upgrades in most legacy installs. The Z954's 25x optical zoom and f1.5–3.4 aperture are minor imaging advantages, but without confirmed low-light or WDR numbers they cannot be objectively weighted. Choose the Z954 only where 802.3bt infrastructure is unavailable and no edge analytics are required.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | ACTi A952 | ACTi Z954 |
|---|---|---|
| Resolution | 8 MP (3864×2160) | 8 MP (4K) |
| Image Sensor | 1/1.8" | — |
| Lens / Focal Length | 6.4–138.5 mm (22x optical, 10x digital) | 6–150 mm (25x optical), f1.5–3.4 |
| Min Illumination | 0.002 lux (color); 0 lux (IR on) | — |
| IR Range | 250 m | — |
| WDR | Extreme WDR 150 dB | WDR (no numeric rating listed) |
| Max Frame Rate | 30 fps @ 3840×2160 | 30 fps (4K) |
| Video Compression | H.265; H.264; MJPEG | H.265; H.264; 2D+3D DNR |
| IP Rating | IP66 | IP66 |
| IK / Impact Rating | IK10 (metal casing) | — |
| Operating Temperature | -40°C to +50°C (with heater) | — |
| Power Input / PoE Class | PoE++ 802.3bt Type 3 Class 6 (60 W); AC 24 V | PoE 802.3af; High PoE; DC 24 V; AC 24 V |
| ONVIF Profiles | S, G, T, M | T (PTZ) |
| Edge Analytics | DLPU: face detection, ALPR, people counting, VMD | — |
| Audio | Two-way; line-in; line-out | Audio input |
| Mounting Options | Wall; Pole; Pendant; Corner; Rack | Ceiling; Wall |
| Weight | 3920 g (8.64 lb) | — |
| Warranty | 3 years (1 year continuous motion) | — |
Frequently Asked Questions
Which should you choose: the A952 or the Z954?
The A952 is the stronger choice when the deployment demands deep analytics at the edge, extreme-cold operation, or hardened impact resistance. Concretely: the A952 provides a documented 150 dB Extreme WDR versus no numeric WDR rating for the Z954; an IR range of 250 m versus no stated figure for the Z954; and onboard DLPU analytics (ALPR, face detection, people counting) that are entirely absent from the Z954's listed specifications. The A952 also spans ONVIF Profiles S, G, T, and M compared to Profile T alone on the Z954. The trade-off is power infrastructure — the A952 demands 802.3bt PoE++ at 60 W, which requires switch or midspan upgrades in most legacy installs. The Z954's 25x optical zoom and f1.5–3.4 aperture are minor imaging advantages, but without confirmed low-light or WDR numbers they cannot be objectively weighted. Choose the Z954 only where 802.3bt infrastructure is unavailable and no edge analytics are required.
Is the A952 or Z954 better for low-light performance?
Based on available specifications, the A952 is better documented for low light: it states a minimum illumination of 0.002 lux in color mode and 0 lux with IR active, an IR range of 250 m, and Extreme WDR at 150 dB. The Z954 lists IR and SLLS as low-light technologies but does not provide a minimum illumination value, IR range, or a numeric WDR rating in the specifications provided — so a direct numerical comparison cannot be made for the Z954.
Can either camera run license plate recognition or face detection without a separate server?
Only the A952 includes an onboard Deep Learning Processing Unit (DLPU) that runs ALPR, face detection, and people counting at the edge. No edge analytics capabilities of any kind are listed for the Z954 in the provided specifications. If server-side analytics are acceptable, either camera can feed a compatible VMS, but only the A952 supports edge-based intelligent functions.
Which camera is easier to integrate into an existing PoE switch infrastructure?
The Z954 is listed as compatible with standard PoE (802.3af), which is supported by the vast majority of existing managed switches. The A952 requires PoE++ (802.3bt, Type 3, Class 6) at 60 W — a higher-power standard that many older or budget switches do not support. If upgrading switch ports or adding a high-power midspan is not feasible, the Z954 presents fewer infrastructure requirements, though its exact maximum wattage is not stated in the provided specifications.
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