Benq W4100i

The BenQ W4100i represents the new generation of home cinema projectors, designed to deliver uncompromising cinematic image quality. As the direct successor to the W4000i, this model addresses its predecessor’s shortcomings while retaining its strengths. With its 4LED technology, full HDR compatibility, and built-in Android TV system, the W4100i stands out as a comprehensive solution to transform your living room into a true private movie theater.

Image Quality That Pushes Boundaries

The W4100i uses DLP technology with wobulation to achieve 4K UHD resolution (3840 × 2160 pixels). Its 4LED light source delivers an impressive brightness of 3,200 ANSI lumens, enough to enjoy vibrant images even in moderately lit rooms. The dynamic contrast ratio of 3,000,000:1 ensures deep blacks and brilliant whites, essential for faithful film reproduction.

Color accuracy is one of this projector’s major strengths. With 100% coverage of the DCI-P3 and Rec.709 color spaces, the W4100i faithfully reproduces colors as envisioned by filmmakers. Factory calibration ensures a Delta E below 3, guaranteeing precise color nuances. For purists, ISF day and night modes allow for professional calibration tailored to your environment.

HDR compatibility is complete, supporting HDR10, HDR10+, and HLG formats. BenQ has deliberately chosen not to include Dolby Vision, believing that its expertise in colorimetry combined with HDR10+ and dynamic tone mapping delivers equivalent results without compromising quality.

Remarkable Installation Flexibility

The W4100i adapts to virtually any setup thanks to its 1.3× optical zoom (projection ratio of 1.15 to 1.50) and lens shift system. Vertical shift can reach up to 60%, while horizontal shift goes up to ±15%, allowing you to position the projector optimally without distorting the image.

2D keystone correction (±30 degrees vertically and horizontally) complements these options to accommodate architectural constraints. Weighing just 6.1 kg and measuring 420.5 × 135.3 × 312.1 mm, the W4100i remains compact enough for ceiling or shelf installation.

The projection ratio of 1.15~1.50 allows you to project a 100-inch image from a distance of approximately 2.6 to 3.4 meters, offering appreciable flexibility in medium-sized spaces.

Modern Connectivity and Advanced Features

The W4100i’s connectivity meets today’s demands with three HDMI 2.1 inputs, including one eARC-compatible port for transmitting high-definition audio to a home theater system. The HDMI-3 port supports 4K at 120 Hz (downsampled to 1080p), ideal for demanding gamers.

Android TV 11.0 integration via the included QS02 dongle transforms the projector into a true streaming platform. You get direct access to Netflix, Disney+, Prime Video, and other services without any additional device. Wi-Fi (802.11 a/b/g/n/ac) and Bluetooth 5.0 complete the wireless arsenal, also allowing projection from a smartphone via AirPlay or Google Cast.

For gaming enthusiasts, Fast Mode reduces latency to just 17.9 ms in 4K 60 Hz, ensuring optimal responsiveness. Performance improves even further in 1080p, with 13 ms at 120 Hz and 6.5 ms at 240 Hz—figures that rival gaming monitors.

Artificial Intelligence Enhancing the Image

One of the W4100i’s major innovations is its AI Cinema mode. This technology analyzes image composition in real time to optimize HDR, color saturation, and sharpness. Especially effective with compressed content from streaming platforms, it visibly enhances perceived quality on the big screen.

BenQ has developed an image database enabling the projector to recognize different types of content (landscapes, faces, skin tones) and apply appropriate adjustments. This intelligent optimization also applies to SDR content, giving it an HDR-like rendering without distorting the original artistic intent.

Global Contrast and Local Contrast Enhancer technologies work in tandem with Dynamic Black to dynamically adjust light output (from 40% to 100%) according to the scene, maximizing perceived contrast without sacrificing detail in dark or bright areas.

Sleek Design and Physical Features

The W4100i features a clean, elegant design with a predominantly white finish that blends discreetly into any interior. Side ventilation grilles ensure efficient cooling while keeping noise levels at 30 dB in normal mode and 29 dB in ECO mode.

The cooling system has been optimized to maintain stable performance even during extended sessions. Power consumption remains controlled at 330 W in standard operation, a reasonable figure given the brightness delivered.

The built-in 5 W speaker offers an acceptable backup solution but obviously does not replace a dedicated audio system for a true cinematic experience. Dolby Atmos compatibility via eARC allows high-definition audio formats to be transmitted to a compatible amplifier.

Frequently Asked Questions

What is the main difference between the W4100i and its predecessor, the W4000i?

The W4100i retains the strengths of the W4000i (optics, 4LED source) but features a completely redesigned internal platform to improve reliability, which was the main weakness of the previous model. It also adds dynamic metadata management, extends the Dynamic Black range (40-100% vs. 40-80%), and integrates AI technologies to optimize images in real time. The warranty has also been extended to 3 years, reflecting BenQ’s confidence in this new model.

Is the fan noise distracting during movies?

BenQ states a noise level of 29 dB in ECO mode and 30 dB in normal mode, which remains discreet in a standard living room environment. However, some feedback on the previous model suggests that actual noise may be slightly higher. Ceiling installation and using ECO mode minimize this issue. For very quiet scenes, the noise may be noticeable but is rarely intrusive.

What distance is needed to project a 100-inch image?

With its projection ratio of 1.15~1.50, the W4100i requires a distance of approximately 2.6 to 3.4 meters to project a 100-inch diagonal image. The 1.3× zoom flexibility allows you to precisely adjust the image size without moving the projector. The projection calculator available on BenQ’s website lets you determine the exact distance based on your desired screen size.

How does the built-in Android TV system work?

The Android TV 11.0 system is provided via a QS02 dongle that connects directly to the projector’s internal HDMI port. This solution gives you access to all Google Play Store apps, including streaming services like Netflix, Disney+, Prime Video, and more. The dongle comes pre-installed and ready to use right out of the box. The included remote control lets you navigate the Android TV interface and simultaneously control the projector’s functions.

Technical Specifications

Display

• Brightness: 3200 ANSI lumens
• Resolution: 4K UHD (3840 × 2160)
• Image format: 16:9
• Contrast ratio: 3,000,000:1
• Displayable colors: 30 bits (1.07 billion colors)
• Light source: 4 LEDs
• Light source lifespan:
  • Normal mode: 20,000 h
  • Eco mode: 30,000 h

Optics

• Throw ratio: 1.15 ~ 1.50
• Zoom ratio: 1.3×
• Optical characteristics: F/# 1.8 - 2.25 mm, f 17.02 (wide angle) ~ 22.21 (telephoto)
• Keystone correction: 2D, vertical ± 30 degrees, horizontal ± 30 degrees
• Vertical lens shift: 0% - 60%
• Horizontal lens shift: ± 15%

Image

• DCI-P3 coverage: 100%
• Rec. 709 coverage: 100%
• Picture modes: AI Cinema, AI HDR Cinema, 3D, Bright, Bright Cinema, Cinema, Filmmaker Mode, Filmmaker HDR Mode, HDR10, HDR10+, HLG, ISF Day, ISF Night, User

Compatibility

• Latency:
  • 6.5 ms (1080P 240 Hz)
  • 13 ms (1080P 120 Hz)
  • 17.9 ms (1080P 60 Hz)
  • 17.9 ms (4K 60 Hz)
• Supported resolutions: VGA (640 × 480) to 4K UHD (3840 × 2160)
• Horizontal frequency: 15K ~ 270KHz
• Vertical scan rate: 23 ~ 240 Hz

Connectivity

• HDMI inputs:
  • HDMI-1 (2.1 / HDCP2.3) (4K 60 Hz / ALLM)
  • HDMI-2 (2.1 / HDCP2.3) (4K 60 Hz / ALLM / audio return+)
  • HDMI-3 (2.1 / HDCP2.3) (4K 120 Hz, subsampling at 1080p 120 Hz)
  • Internal HDMI (2.0b / HDCP2.2)
• USB Type A ports:
  • USB Type A-2 (2.0 / 1.5 A power / media player / firmware update) (×2)
  • USB Type A-3 (2.0 / 2.5 A power)
• USB Type Mini B: (×1), USB Type Mini B-1 (service)
• RS232 input: (×1)
• 12V DC trigger (3.5 mm mini jack): (×1)

Audio

• Speaker: (×1), 5 W
• Audio output (3.5 mm mini jack): (×1)
• HDMI audio return: yes, eARC, Dolby Atmos
• S/PDIF: multichannel, RAW

Smart System

• Built-in operating system: yes, Android 11.0
• Bluetooth: yes, Bluetooth 5.0
• Wi-Fi standard: 802.11 a / b / g / n / ac (2.4 G / 5 G)
• Wireless projection: AirPlay, Google Cast

Physical Characteristics

• Dimensions (W × H × D): 420.5 × 135.3 × 312.1 mm
• Net weight: 6.1 kg (13.45 lb)
• Projection system: DLP

Environment

• Operating temperature: 0 ~ 40 °C
• Power supply: AC 100 to 240 V, 50/60 Hz
• Standard power consumption (110 V): 330 W
• Standby power consumption: < 0.5 W
• Noise level: 30 dB (normal) / 29 dB (eco)

Accessories

• Android TV dongle: QS02 (standard)
• Battery remote control: RCI074
• Power cable: ×1 (3.0 m)
• 3D glasses: (optional)
• Quick start guide: (×1) 21L
• Warranty card: yes
• Lens cover: yes
• Ceiling mount: CMG3 (optional)