How do the imaging specs compare?

Both cameras deliver 5MP resolution at 30fps and support H.265/H.264/MJPEG compression. Sensor size differs: the XNB-8000 uses a larger 1/1.8" 6MP CMOS (cropped to 5MP output at 2560×1920), whereas the S15500-V3LK uses a 1/2.8" CMOS with a scanning area of 5.12mm × 3.84mm and native 5MP output. A larger sensor generally captures more light. The XNB-8000 specifies minimum illumination of 0.07 lux color / 0.007 lux B/W; the S15500-V3LK specifies 0.05 lux color / 0.04 lux B/W in color mode — the i-PRO edges out color sensitivity, while the XNB-8000 claims a lower B/W floor. WDR is 120dB on the XNB-8000 versus a specified maximum of 132dB (Super Dynamic, level 30+, 15fps) on the S15500-V3LK.

The lens situation is a critical differentiator. The XNB-8000 is a lens-less box camera accepting C-mount or CS-mount lenses with DC auto-iris or P-iris control and simple manual focus — the buyer must source and specify a lens separately. The S15500-V3LK ships with a built-in 2.9–9mm motorized varifocal lens (3.1× optical zoom, extendable to 9.3× digital at 640×360), auto-focus, and published DORI distances: Detect 46.3m (wide) to 201m (tele), Identify 4.6m (wide) to 20.1m (tele). IR range on the S15500-V3LK is 70m (30IRE) / 50m (50IRE); the XNB-8000 specifies IR capability (ICR auto day/night) but no IR throw distance is published in the provided specs.

What about installation and environment?

The S15500-V3LK carries an IP66 / NEMA 4X water and dust rating plus IK10 impact resistance, an anti-condensation system (Temish element + heater + moisture absorption gel), ISO 14993 salt-damage resistance, and wind resistance to 40 m/s (~89 mph). It operates from −40°C to +60°C. The XNB-8000 is described as weatherproof outdoor rated but no specific IP or IK ingress/impact rating is stated in the provided specifications. Operating temperature for the XNB-8000 is −10°C to +55°C. For coastal, high-wind, or impact-risk deployments the S15500-V3LK's published certifications are clearly more stringent.

Power inputs also differ. The XNB-8000 accepts PoE (IEEE 802.3af, Class 3), 24VAC, or 12VDC at a maximum of 8.5W (the spec sheet also references 12.95W PoE max — buyers should verify against the authoritative datasheet). The S15500-V3LK accepts DC 12V at 1.0A (12W) or PoE at 11.5W; its PoE class is listed as Class 0. The XNB-8000 is significantly smaller and lighter (73.1×66.6×147.8mm, 420g) compared to the S15500-V3LK (ø133×133×383mm, approximately 2.4kg / 5.3 lbs), reflecting the latter's integrated lens, heater, and ruggedized housing. The S15500-V3LK carries UL/c-UL/CE/IEC 62368-1 and FCC Part 15 Class A safety/EMC certifications; equivalent certifications are not listed for the XNB-8000 in the provided specs.

Which fits your VMS and analytics better?

Both cameras are ONVIF-compliant. The XNB-8000 supports ONVIF Profile S/G/T plus Hanwha's SUNAPI (HTTP API) and Wisenet open platform. The S15500-V3LK supports ONVIF Profile G/M/S/T — adding Profile M (which covers metadata for AI analytics interoperability) that the XNB-8000 does not list. The XNB-8000 supports up to 20 unicast users across up to 10 streaming profiles; the S15500-V3LK supports up to 14 simultaneous users. Edge storage is equivalent: both support microSD/SDHC/SDXC up to 512GB. The XNB-8000 provides 2 microSD slots; the S15500-V3LK provides 1. Security posture: the S15500-V3LK specifies FIPS 140-2 Level 3 with NXP SE050F hardware security element plus signed firmware; the XNB-8000 lists encrypted firmware / FirmwareProtect but does not cite FIPS 140-2.

On analytics, the XNB-8000 includes motion detection, loitering, directional detection, fog detection, digital auto-tracking, sound classification, and handover — all on-camera via WiseStream II. The S15500-V3LK includes AI Video Analytics (8 detection types), VMD (4 areas), Scene Change Detection, audio detection, and AI Sound Classification (gunshot, yell, vehicle horn, glass break). Audio connectivity differs: the XNB-8000 provides selectable mic/line input with built-in mic and line output via terminal block; the S15500-V3LK uses 3.5mm stereo mini jacks for both input and output, and supports half/full-duplex with AAC-LC compression in addition to G.726 and G.711. Alarm I/O: the XNB-8000 provides 1 input / 1 output; the S15500-V3LK provides 3 alarm inputs / 1 alarm output / 1 AUX output. Warranty: 3 years for the XNB-8000 vs. 5 years for the S15500-V3LK.

Which should you choose: the XNB-8000 or the S15500-V3LK?

Our take: The S15500-V3LK is the stronger choice when the installation site demands certified outdoor ruggedization, a built-in motorized varifocal lens, and hardware-rooted cybersecurity. Concretely: its IP66/IK10/NEMA 4X and salt-resistance ratings and −40°C lower operating floor far exceed the XNB-8000's unpublished IP rating and −10°C minimum; its 3.1× motorized optical zoom (2.9–9mm) eliminates a separate lens purchase and enables remote focus adjustment, while the XNB-8000 ships without any lens and requires manual focus; and its FIPS 140-2 Level 3 hardware security element exceeds the XNB-8000's firmware-level encryption alone. The XNB-8000 is the more cost-effective platform when the deployer already specifies a preferred C/CS-mount lens, needs dual microSD redundancy, operates in a Hanwha/Wisenet VMS ecosystem, or requires 24VAC or 12VDC power that the S15500-V3LK does not support via those inputs. Confirm IP rating and PoE class specifics against each manufacturer's current datasheet before final BOM submission.

Side-by-Side Comparison

Spec-for-spec, from manufacturer data.

Frequently Asked Questions

Related Resources

• Hanwha XNB-8000 product page — full specs and to add to a quote
• i-PRO S15500-V3LK product page — full specs and to add to a quote