ACTi Z47 vs Digital Watchdog DWC-XSBA08Mi: Specification Comparison
Both the ACTi Z47 and Digital Watchdog DWC-XSBA08Mi are 8MP outdoor bullet cameras with motorized varifocal lenses, IP67/IK10-rated housings, and PoE power — placing them squarely in the same product class for perimeter and general outdoor surveillance. This comparison examines how their imaging capabilities, installation requirements, and integration features differ to help installers and IT buyers choose the right unit for a given deployment.
In This Guide
How do the imaging specs compare?
Both cameras deliver 8MP resolution, but the DWC-XSBA08Mi specifies a 4K 3840×2160 active pixel array on a 1/2.8" CMOS Star-Light Plus sensor with a minimum scene illumination of 0.09 lux in color (0.0 lux in B/W), a 120dB True WDR rating, and a 140-foot Smart IR range. The Z47 lists 8MP at 30fps at 1440p in its max FPS spec, which implies a 2560×1440 output ceiling rather than full 4K; its minimum illumination, sensor size, and WDR dynamic range value are not specified in the provided data.
On the lens side, the Z47 uses a motorized varifocal 2.8–12mm (4.3× zoom) with an unspecified autofocus mechanism, while the DWC-XSBA08Mi covers 2.7–13.5mm with auto-focus, motorized zoom, and P-iris control, yielding a documented horizontal field of view of 90.3° (wide) to 33.1° (telephoto). The DWC-XSBA08Mi also adds de-fog, Smart DNR 3D digital noise reduction, 16 programmable privacy masks, and slow-shutter modes down to ×10 — none of these are listed for the Z47.
What about installation and environment?
Both cameras share IP67 and IK10 ratings, confirming dust-tight, immersion-resistant, and high-impact-vandal-resistant housings suitable for demanding outdoor locations. The Z47 operates from -40°C to 60°C (-40°F to 140°F), while the DWC-XSBA08Mi is rated -40°C to 50°C (-40°F to 122°F), giving the Z47 a 10°C upper-temperature advantage relevant to enclosed enclosures or desert climates.
Power requirements differ meaningfully. The Z47 draws a maximum of 12.95W over standard 802.3af PoE (Class 3 or lower), meaning it works with any 802.3af-capable switch or injector. The DWC-XSBA08Mi draws up to 14.8W over PoE and is classified as PoE Class 4, which requires a PoE+ (802.3at) switch or injector — a budget and switch-compatibility consideration for retrofits. The Z47 supports wall, pole, and ceiling-bracket mounting; the DWC-XSBA08Mi notes mounting accessories are optional and sold separately, with no specific mount types listed in the provided specs. The DWC-XSBA08Mi weighs 2.64 lbs (1.2 kg) and measures 12.2"×3.81" (310×97 mm); equivalent physical dimensions and weight are not provided for the Z47.
Which fits your VMS and analytics better?
For VMS integration, the Z47 declares ONVIF Profile S and Profile T compliance, which covers live streaming and event/metadata delivery. The DWC-XSBA08Mi lists ONVIF compatibility and additionally names DW Spectrum, Genetec, and Milestone as tested platforms, offering greater confidence for shops already running those enterprise VMS environments. The DWC-XSBA08Mi also supports a broad protocol stack including SNMPv1/v2/v3, 802.1x, HTTPS/TLS, and IP filtering, with a web viewer tested across Chrome, Edge, Firefox, and Safari on Windows, Mac, and Linux. The Z47's protocol and security stack details are not provided beyond ONVIF.
Edge analytics is a significant differentiator. The DWC-XSBA08Mi includes on-camera AI analytics covering intrusion detection, line crossing, tailgating, direction, dwell, counting lines, appear/disappear, and logical rules, along with tamper and metadata filters — all edge-processed. It also provides 1 alarm input/output, 1 audio input/output, microSD/SDXC local storage up to 1TB, and operational notifications via email, FTP, alarm output, and SD card. The Z47 lists an audio input and ONVIF Profile T (which supports metadata/analytics streams), but no specific on-camera analytics, I/O alarm contacts, or on-board storage are listed in the provided specs.
Which should you choose: the Z47 or the DWC-XSBA08Mi?
Our take: The DWC-XSBA08Mi is the stronger choice when full 4K output, deep AI analytics, and enterprise VMS certification matter. Its 3840×2160 active resolution exceeds the Z47's documented 1440p maximum frame-rate spec, its 120dB True WDR and 0.09 lux color sensitivity are explicitly stated while the Z47's equivalents are absent from the provided data, and its 140-foot Smart IR range is not matched by a published figure for the Z47. It also adds edge AI analytics, 1TB microSD storage, alarm I/O, and named Genetec/Milestone compatibility. The Z47 holds two concrete advantages: a higher upper operating temperature (-40°C to 60°C vs. 50°C) and standard 802.3af PoE compliance (12.95W max) versus the DWC-XSBA08Mi's PoE+ Class 4 requirement (14.8W), making the Z47 a better fit for high-temperature sites or switch infrastructure limited to 802.3af budgets.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | ACTi Z47 | Digital Watchdog DWC-XSBA08Mi |
|---|---|---|
| Resolution | 8MP (max FPS spec cites 1440p / 2560×1440) | 8MP 4K (3840×2160 active pixels) |
| Image Sensor | — | 4K 1/2.8" CMOS Star-Light Plus |
| Lens / Focal Length | Motorized varifocal 2.8–12mm (4.3× zoom) | Motorized varifocal 2.7–13.5mm, auto-focus, P-iris |
| Horizontal FOV | — | 90.3° (wide) ~ 33.1° (tele) |
| Minimum Illumination | — | 0.09 lux (color); 0.0 lux (B/W) |
| IR Range | — | 140 ft Smart IR |
| Wide Dynamic Range | WDR (value not specified) | True WDR 120dB |
| Max Frame Rate | 30fps @ 1440p | Up to 30fps at all resolutions |
| Video Compression | H.265, H.264 | H.265, H.264, MJPEG |
| IP Rating | IP67 | IP67 |
| IK / Vandal Rating | IK10 | IK10 |
| Operating Temperature | -40°C to 60°C (-40°F to 140°F) | -40°C to 50°C (-40°F to 122°F) |
| Power Input / PoE Class | 802.3af PoE, 12.95W max | PoE Class 4 (802.3at), 14.8W max |
| Edge Storage | — | MicroSD/SDXC up to 1TB |
| Audio | 1 audio input | 1 audio input, 1 audio output |
| Alarm I/O | — | 1 input, 1 output |
| ONVIF | Profile S, Profile T | ONVIF (profile version not specified) |
| Named VMS Compatibility | ONVIF Profile S/T | DW Spectrum, Genetec, Milestone, ONVIF |
| On-Camera AI Analytics | — | Intrusion, line crossing, tailgating, direction, dwell, counting, logical rules, +more |
| Dimensions (H×W×D) | — | 12.2" × 3.81" (310 × 97 mm) |
| Weight | — | 2.64 lbs (1.2 kg) |
| Housing Material | — | Aluminum die-casting |
| Housing Color | Stainless Steel finish | White |
| Warranty | — | 5 Year |
Frequently Asked Questions
Which should you choose: the Z47 or the DWC-XSBA08Mi?
The DWC-XSBA08Mi is the stronger choice when full 4K output, deep AI analytics, and enterprise VMS certification matter. Its 3840×2160 active resolution exceeds the Z47's documented 1440p maximum frame-rate spec, its 120dB True WDR and 0.09 lux color sensitivity are explicitly stated while the Z47's equivalents are absent from the provided data, and its 140-foot Smart IR range is not matched by a published figure for the Z47. It also adds edge AI analytics, 1TB microSD storage, alarm I/O, and named Genetec/Milestone compatibility. The Z47 holds two concrete advantages: a higher upper operating temperature (-40°C to 60°C vs. 50°C) and standard 802.3af PoE compliance (12.95W max) versus the DWC-XSBA08Mi's PoE+ Class 4 requirement (14.8W), making the Z47 a better fit for high-temperature sites or switch infrastructure limited to 802.3af budgets.
Is the ACTi Z47 or Digital Watchdog DWC-XSBA08Mi better for low-light performance?
Based on available specs, the DWC-XSBA08Mi has a documented advantage: its Star-Light Plus sensor reaches 0.09 lux in color and 0.0 lux in B/W, and it carries a 140-foot Smart IR range. The Z47 lists IR and Adaptive IR/Day-Night capability, but no minimum illumination figure or IR range is provided in the supplied specifications, so a direct lux-for-lux comparison cannot be made.
Do I need a PoE+ switch to run either of these cameras?
The ACTi Z47 is rated for standard 802.3af PoE at a maximum of 12.95W, so it works with any 802.3af switch or injector. The Digital Watchdog DWC-XSBA08Mi draws up to 14.8W and is classified PoE Class 4, which requires an 802.3at (PoE+) switch or injector. Verify your infrastructure before deploying the DWC-XSBA08Mi on older or budget 802.3af-only switches.
Which camera supports on-board edge analytics without a separate server?
The Digital Watchdog DWC-XSBA08Mi includes on-camera AI analytics — intrusion detection, line crossing, tailgating, direction, dwell, counting, and more — processed at the edge with no additional server required. The ACTi Z47 supports ONVIF Profile T, which can carry metadata streams to a compatible VMS, but no specific on-camera analytics are listed in its provided specifications.
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