ACTi Z310 vs Digital Watchdog DWC-XSBA08Mi: Specification Comparison
Both the ACTi Z310 and Digital Watchdog DWC-XSBA08Mi are outdoor 8MP bullet IP cameras aimed at the same resolution tier, making them legitimate cross-shop candidates for installers specifying fixed surveillance on commercial or light-industrial sites. The Z310 is a compact mini-bullet with a fixed wide-angle lens, while the DWC-XSBA08Mi is a full-size AI-enabled bullet with a motorized varifocal lens, IK10 vandal resistance, and a deep edge-analytics suite. This comparison covers imaging performance, physical installation, and VMS/analytics integration.
In This Guide
How do the imaging specs compare?
Both cameras share an 8MP 1/2.8" CMOS sensor and output up to 30 fps, but their optical approaches diverge significantly. The ACTi Z310 uses a fixed 2.8mm f/1.6 lens delivering a 99° horizontal field of view — useful for wide-area corridor or entrance coverage where lens adjustment after installation is not needed. The DWC-XSBA08Mi pairs a 2.7–13.5mm motorized varifocal lens with auto-focus and P-iris control, providing a continuously adjustable HFOV of 33.1°–90.3°; this allows the installer to dial in framing remotely without touching the camera. The DW model also resolves a full 3840×2160 (4K UHD) active-pixel array versus the Z310's 1440p (2560×1440) output, representing a meaningful difference in forensic crop capability.
On low-light and WDR performance the gap widens further. The DWC-XSBA08Mi specifies 0.09 lux minimum scene illumination in color and 0.0 lux in B/W monochrome, along with Smart IR reaching 140 feet and True WDR rated at 120 dB. The ACTi Z310 lists Adaptive IR and SLLS (Super Low Light Sensitivity) but provides no published lux figure, no IR range in feet/meters, and no WDR dB rating in the supplied specifications. Buyers who need quantified low-light or WDR benchmarks for system design cannot extract those numbers from the Z310 spec sheet as provided.
What about installation and environment?
Both cameras carry an IP67 ingress-protection rating, meaning each is sealed against sustained water immersion and dust. The DWC-XSBA08Mi adds an IK10 vandal/impact rating per the supplied specifications; no IK rating is listed for the Z310, which is relevant for exposed public-area or retail-perimeter mounting where physical tampering is a concern. The DW model is constructed from aluminum die-casting; the Z310's housing material is not specified.
On power, the Z310 draws under 13W over 802.3af PoE (Class ≤ 3), making it compatible with any standard PoE switch port. The DWC-XSBA08Mi draws up to 14.8W over PoE and is classed as PoE Class 4, which requires an 802.3at (PoE+) switch port or injector — a non-trivial infrastructure consideration on legacy or budget PoE switches. Operating temperature range also diverges: the Z310 is rated 0°C to 50°C, while the DWC-XSBA08Mi is rated −40°C to 50°C, giving it a decisive advantage in cold-climate or unheated-enclosure deployments. The Z310 supports Wall, Soffit, and Pole mounting; no specific mount types are listed for the DW model beyond a note that mounting accessories are sold separately. The DW unit measures 310×97 mm and weighs 1.2 kg; no dimensions or weight are listed for the Z310.
Which fits your VMS and analytics better?
Both cameras support H.265, H.264, and MJPEG compression and declare ONVIF conformance. The ACTi Z310 specifies ONVIF Profile S and Profile T; the DWC-XSBA08Mi lists ONVIF without specifying which profiles. The DW camera additionally names DW Spectrum, Genetec, and Milestone as tested-compatible VMS platforms, which is useful documentation for enterprise site designers. The Z310's VMS compatibility beyond ONVIF is not detailed in the supplied specifications.
The DWC-XSBA08Mi carries a substantially deeper edge-analytics set: intrusion detection, line crossing, tailgating, direction, dwell, counting, appear/disappear, enter/exit, logical rules, and tamper detection, plus 16 programmable privacy masks. The Z310's analytics capabilities are not described in the supplied specifications beyond ONVIF Profile T (which implies some motion metadata). On audio, the Z310 has a built-in microphone; the DW model provides a bi-directional audio port (1 line-in, 1 line-out) with G.711 compression but does not specify a built-in microphone. Both support microSD edge storage; the DW model specifies up to 1 TB, while the Z310 lists MicroSDHC/MicroSDXC without a capacity ceiling. The DW camera also includes one alarm input and one alarm output; no alarm I/O is listed for the Z310.
Which should you choose: the Z310 or the DWC-XSBA08Mi?
Our take: The DWC-XSBA08Mi is the stronger choice when the deployment demands quantified low-light performance, flexible field of view, cold-climate tolerance, or edge AI analytics. It specifies 0.09 lux color sensitivity and 0.0 lux B/W versus no published lux figure for the Z310; its motorized 2.7–13.5mm varifocal covers scenes the Z310's fixed 2.8mm cannot reach without re-mounting; and its −40°C lower operating limit versus the Z310's 0°C floor makes it the only viable option in freezing environments. The DW model also adds IK10 impact resistance and alarm I/O absent from the Z310 spec sheet. The ACTi Z310 is the more appropriate selection where the existing switch infrastructure is limited to 802.3af (the Z310 draws under 13W vs. the DW's 14.8W requiring 802.3at), where a compact form factor and sub-13W budget are constraints, and where a wide fixed-angle view is sufficient — provided the buyer accepts that several performance metrics (lux, IR range, WDR dB) are not published for the Z310.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | ACTi Z310 | Digital Watchdog DWC-XSBA08Mi |
|---|---|---|
| Resolution | 8MP / 1440p (2560×1440) | 8MP / 4K (3840×2160) |
| Image Sensor | 1/2.8" CMOS | 1/2.8" CMOS, Star-Light Plus™ |
| Lens / Focal Length | 2.8mm fixed, f/1.6 | 2.7–13.5mm motorized varifocal, P-iris, auto-focus |
| Horizontal Field of View | 99° | 90.3°–33.1° (varifocal) |
| Minimum Illumination | — | 0.0 lux (B/W) / 0.09 lux (color) |
| IR Range | — | 140 ft Smart IR™ |
| Wide Dynamic Range | WDR (dB not specified) | True WDR 120dB |
| Max Frame Rate | 30 fps @ 1440p | 30 fps at all resolutions |
| Video Compression | H.265, H.264, MJPEG | H.265, H.264, MJPEG |
| IP Rating | IP67 | IP67 |
| IK / Impact Rating | — | IK10 |
| Operating Temperature | 0°C to 50°C | −40°C to 50°C |
| Power Input / PoE Class | 802.3af, < 13W | 802.3at (PoE+), Class 4, max 14.8W |
| Edge Storage | MicroSDHC / MicroSDXC (capacity not specified) | Micro SD/SDHC/SDXC, up to 1TB |
| Audio | Built-in microphone | 1× line-in / 1× line-out, G.711 |
| Alarm I/O | — | 1 input / 1 output |
| ONVIF | Profile S / Profile T | Yes (profiles not specified) |
| Edge Analytics | — | Intrusion, line crossing, tailgating, direction, dwell, counting, tamper, +more |
| Housing Material | — | Aluminum die-casting |
| Dimensions | — | 310 × 97 mm (12.2" × 3.81") |
| Weight | — | 1.2 kg (2.64 lbs) |
| Warranty | — | 5 years |
Frequently Asked Questions
Which should you choose: the Z310 or the DWC-XSBA08Mi?
The DWC-XSBA08Mi is the stronger choice when the deployment demands quantified low-light performance, flexible field of view, cold-climate tolerance, or edge AI analytics. It specifies 0.09 lux color sensitivity and 0.0 lux B/W versus no published lux figure for the Z310; its motorized 2.7–13.5mm varifocal covers scenes the Z310's fixed 2.8mm cannot reach without re-mounting; and its −40°C lower operating limit versus the Z310's 0°C floor makes it the only viable option in freezing environments. The DW model also adds IK10 impact resistance and alarm I/O absent from the Z310 spec sheet. The ACTi Z310 is the more appropriate selection where the existing switch infrastructure is limited to 802.3af (the Z310 draws under 13W vs. the DW's 14.8W requiring 802.3at), where a compact form factor and sub-13W budget are constraints, and where a wide fixed-angle view is sufficient — provided the buyer accepts that several performance metrics (lux, IR range, WDR dB) are not published for the Z310.
Is the Z310 or DWC-XSBA08Mi better for low-light performance?
Based on the supplied specifications, the DWC-XSBA08Mi is the only model with a published minimum illumination figure: 0.09 lux in color and 0.0 lux in B/W, with Smart IR rated to 140 feet. The ACTi Z310 lists Adaptive IR and SLLS technology but provides no lux rating or IR distance in the specifications provided, so a direct numerical comparison cannot be made.
Can I power both cameras from a standard PoE switch?
The ACTi Z310 draws under 13W and operates on 802.3af PoE (standard PoE), compatible with any PoE switch port. The DWC-XSBA08Mi draws up to 14.8W and is rated PoE Class 4, which requires an 802.3at PoE+ switch port or a PoE+ injector. Deploying the DW camera on a switch limited to 802.3af may result in insufficient power delivery.
Which camera is better suited for a site that needs AI-based intrusion or perimeter analytics?
The DWC-XSBA08Mi is the clear choice for AI analytics. Its specification lists intrusion detection, line crossing, tailgating, direction, dwell, counting, appear/disappear, enter/exit, logical rules, and tamper detection as built-in edge features. The ACTi Z310's analytics capabilities are not described in the supplied specifications beyond its ONVIF Profile S/T declaration.
Get a Second Opinion on Your Camera Choice
Share your site layout, coverage goals, and budget. Our team will validate the camera selection, flag anything we would change, and recommend products that match the use case.