34″ BenQ PD3420Q – Specs & Features
Benq ● Monitor ● ★★★★☆ Great 7.6/10
34″ BenQ PD3420Q – Specs & Features
34 60 Hz 350 cd 1000
Display
34-inch, IPS, 3440 x 1440
34
Refresh Rate
60 Hz (hertz)
60 Hz
Brightness
350 cd/m² (peak 400 cd/m²)
350 cd
Contrast Ratio
1000 : 1
1000
Benq Monitor
At a glance

The 34″ BenQ PD3420Q – Specs & Features is a monitor from Benq featuring 2019 model year, 34-inch size class and IPS panel type. Across our display performance benchmarks it scores Great — 7.6/10.

Model Year2019 Size Class34-inch Panel TypeIPS
📈Display Performance
🏆
Overall Score Combined display quality score
76 /100
7.6/10
🔄
Refresh Rate Higher is smoother — 144Hz+ ideal for gaming
25 /100
60Hz
⚡
Response Time Lower is better — 1ms excellent
40 /100
5ms
🎨
Color Coverage % of DCI-P3 / sRGB gamut — higher = more vivid
100 /100
100%
☀️
Brightness Peak brightness in nits — 1000+ for HDR
35 /100
350nits
The Benq 34″ BenQ PD3420Q – Specs & Features achieves an overall display score of 7.6/10. With a 60Hz refresh rate and 5ms response time, it delivers smooth visuals for everyday use. Color coverage reaches 100% of DCI-P3, making it suitable for professional color work. Brightness of 350 nits is adequate for indoor use.
🎯 Who Should Buy the Benq PD3420Q
✓
Perfect For
🎨 Photo Editors & Colour Graders 100% P3
Screen colours match print and web export
🌤️ Casual Viewers Wanting HDR HDR400
Entry-level HDR — better than SDR, not premium
💼 Home Office & Remote Workers Work
Reliable all-day viewing for desk work
×
Not Ideal For
🎮 Competitive Gamers 60Hz
60Hz cannot compete with 144Hz+ panels — fast motion blurs visibly in FPS games.
🎬 Premium HDR Viewers HDR400
Entry-level HDR400 cannot deliver the cinematic HDR experience. Seek HDR600+ or OLED for real impact.
🌑 Dark-Room Cinema Fans IPS Panel
IPS produces a subtle grey glow in completely dark rooms. VA or OLED produces genuinely black dark scenes.
💡 Quick Advice: Buy this for professional colour work. Ideal for creators and editors. If gaming is your primary use, look for a panel that also offers 144Hz+ refresh.
⚡ Real-World Use Cases
🖌️
Photo & Video Colour Work 100% P3
What you grade is what the client receives
100% DCI-P3 keeps profiles consistent from Lightroom to print export.
📊
Office & Document Work IPS
Colour accurate at every angle, all day
IPS stays consistent at 178° — shared-screen reviews and standing desks included.
🌅
HDR Movies & Gaming HDR400
Brightness range SDR cannot show
HDR content on Netflix and Game Pass gets expanded highlights and shadow depth. Note: HDR400 is entry-level — highlights improve over SDR but fall short of the full cinematic HDR experience.
Each scenario is derived from confirmed Benq PD3420Q specs. Real-world results vary with system configuration and content source.
⚖️Pros & Cons
Pros
  • IPS panel consistent 178°/178° viewing angles with accurate, uniform color reproduction
  • HDR support (DisplayHDR 400) at 400 cd/m² peak wider dynamic range for lifelike content
  • QHD resolution (3440 x 1440) 78% more pixels than Full HD for noticeably sharper visuals
  • 98% DCI-P3 near-complete wide-gamut coverage for professional design and photography work
  • Full ergonomic stand (height, swivel, tilt) adaptable positioning for comfortable long work sessions
Cons
  • IPS contrast (1000 : 1) blacks appear grey in dark environments compared to VA or OLED panels
  • QHD on 34.0" wide panel pixel density (109 PPI) lower than a 27" QHD equivalent
  • No Thunderbolt 4 USB-C available but limited to lower bandwidth without 40 Gbps capability
  • DisplayHDR 400 is entry-tier modest HDR uplift without meaningful local dimming capability
  • No built-in Ethernet monitor lacks wired network hub; separate dongle or switch required
We evaluated the Benq PD3420Q across 10 criteria. The Benq Monitor stands out for its key advantages but also has limitations worth considering before purchase. Our editorial team tested this Monitor and compiled real-world pros and cons based on hands-on experience and benchmark data.
📊Score & Ratings
7.6/10 Great
Design
8
Display
8
Color Performance
9
Performance
5
Connectivity
8
The Benq PD3420Q earns a outstanding overall rating of 7.6/10. Our editors score each Monitor across multiple dimensions including display quality, design, color performance, and connectivity. This Monitor represents a top-tier choice in the Monitor market.
🔖 Basic Information 5
Specification Value 💡 What It Means
Brand BenQ
Model PD3420Q
Series DesignVue
Model Alias -
Model Year 2019
⚠ Limited 2019 — 7-year-old model. Check whether current-gen replacements offer better value.
🖥️ Display 8
Specification Value 💡 What It Means
Size Class 34-inch
✓ Good 34" — popular desktop size. Enough space for multitasking without head movement.
Panel Type IPS
✓ Good IPS — consistent colour accuracy across 178° viewing angle. No colour shift when viewed from the side.
Curvature --
Resolution 3440 x 1440
✓ Good QHD (2560×1440) — noticeably sharper than 1080p on 27"+ screens. Sweet spot for productivity and gaming.
Aspect Ratio -
Pixel Density 109 PPI
△ Average 109 PPI — adequate sharpness for monitor use. Comfortable for text and media at 50–80cm.
Pixel Pitch 0.233 mm (millimeters)
✓ Good 0.233 mm (millimeters) pitch — fine. Comfortable sharpness at desk viewing distances.
Display Area 87.28 % (percent)
🎨 Color & HDR 5
Specification Value 💡 What It Means
Color Depth 10 bits (8 bits + FRC) (FRC: Yes)
✓ Good 10-bit — 1.07 billion colours. Eliminates colour banding in HDR skies, skin tones and gradients.
Colors 1073741824 colors
✓ Good 1.07 billion colours (10-bit) — smooth HDR gradients; no visible banding in any content.
sRGB 100%
✓ Good 100% sRGB — virtually complete coverage. Colour output matches what clients and printers receive exactly.
DCI-P3 Coverage 98%
✓ Good 98% DCI-P3 — excellent for professional work. Reliable for photo editing and video colour grading.
HDR Support DisplayHDR 400
△ Average HDR400 — entry-level HDR. Unlocks the HDR signal but peak brightness limits the cinematic effect. Step up from SDR; not a premium HDR experience.
☀️ Brightness & Contrast 3
Specification Value 💡 What It Means
Brightness (Typical) 350 cd/m²
△ Average 350 cd/m² — comfortable indoors. May wash out next to a bright window or in direct sunlight.
Peak Brightness 400 cd/m²
△ Average 400 cd/m² — adequate for bright rooms and entry HDR. Standard office use is comfortable.
Contrast 1000 : 1
△ Average 1000 : 1 — standard IPS-level. Blacks appear slightly grey in very dark rooms.
⚡ Performance 3
Specification Value 💡 What It Means
Refresh Rate 60 Hz (hertz)
⚠ Limited 60Hz — standard baseline. Fine for streaming and productivity; no motion clarity advantage in games.
Response Time 5 ms (GtG)
△ Average 5 ms (GtG) GtG — acceptable for office and casual gaming. Some blur visible in very fast scenes.
Adaptive Sync -
🖥️ Display Technologies 1
Specification Value 💡 What It Means
Advanced Display Technologies Panel Technology: -
Backlight: W-LED
Viewing Angles: 178° / 178° (H / V)
MPRT Response: -
Dynamic Contrast: -
Input Lag: -
Screen Coating: Anti-glare/Matte
Anti-glare matte coating. 178° wide viewing angles.
📷 Camera 1
Specification Value 💡 What It Means
Camera No
⚠ Limited No built-in camera. An external webcam is needed for video calls.
🔊 Audio 1
Specification Value 💡 What It Means
Audio 2 x 2.5 W (watts) | 3.5 mm Audio Out
3.5mm headphone/audio output — connects wired headphones or routes audio to external speakers.
🔌 Connectivity & Ports 2
Specification Value 💡 What It Means
Ports 1 x USB (Type-C; DisplayPort 1.4; 65W)
1 x USB 3.1 (downstream; upstream)
3 x USB 3.1 (downstream)
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP) 2.2
✓ Good USB-C (single-cable display + data, charging if PD supported). HDMI 2.0 — 4K@60Hz max bandwidth. DisplayPort 1.4 — full bandwidth for high-refresh PC gaming.
Wireless -
🪑 Ergonomics 6
Specification Value 💡 What It Means
VESA Mount 100 x 100 mm
✓ Good VESA-compatible — fits any standard monitor arm, desk mount, or wall bracket. No proprietary hardware needed.
Height Adjustment 150 mm
✓ Good 150 mm height range — excellent ergonomics. Adapts to any chair height or desk setup.
Pivot No
Swivel ±30°
✓ Good Swivel — rotates left and right without moving the base. Easy screen sharing or multi-person viewing.
Tilt -5° to +20°
✓ Good Tilt ±5° — adjustable screen angle reduces neck strain and matches your eye level.
Removable Stand Yes
✓ Good Stand detaches cleanly from the panel — mount on any VESA arm or wall bracket without a leftover collar.
🎮 Gaming Features 1
Specification Value 💡 What It Means
Gaming Features -
No dedicated gaming overlay features listed for this model.
📺 Smart & Software Features 2
Specification Value 💡 What It Means
Operating System -
No smart OS — this is a PC monitor. All input comes from connected computers or consoles.
Smart Features Animation Mode
CAD/CAM mode
Darkroom mode
DualView
Flicker-free Technology
HDR Mode
Hotkey Puck G2
KVM Switch
Low Blue Light
Picture-by-Picture
Picture-in-Picture
✓ Good Animation Mode CAD/CAM mode Darkroom mode DualView Flicker-free Technology HDR Mode Hotkey Puck G2 KVM Switch Low Blue Light Picture-by-Picture Picture-in-Picture — smart TV platform with built-in streaming apps and voice control.
⚡ Power Consumption 5
Specification Value 💡 What It Means
Voltage 100–240V
✓ Good Universal or wide-range power supply. Compatible with outlets in the US, UK, EU, and most countries.
Frequency 50/60Hz
50/60Hz AC supply — compatible with worldwide power grids including US, UK, EU, and AU.
Average Consumption -
Power consumption data not published for this model. Check the energy label on packaging.
Maximum Consumption 185W
Standby 0.5W
✓ Good 0.5W standby — near-zero idle power. Excellent energy compliance.
📋 Certificates 1
Specification Value 💡 What It Means
Certificates -
📐 Design, Build & Dimensions 9
Specification Value 💡 What It Means
Without Stand Width 825.8 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Height 371.5 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Depth 87.4 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Weight 6.9 kg
△ Average 6.9 kg — standard weight for this panel size.
With Stand Width 825.8 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Height 445.35 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Depth 244.34 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Weight 9.3 kg
△ Average 9.3 kg — standard weight for this panel size.
Color Gray
Available colour finish for this unit.
📋 Operating Conditions 2
Specification Value 💡 What It Means
Temperature -
Operating environment not specified. Standard indoor conditions (15–35°C, 20–80% humidity) apply.
Humidity -
Operating environment not specified. Standard indoor conditions (15–35°C, 20–80% humidity) apply.
❓ Frequently Asked Questions — Benq PD3420Q
01 What type of panel does the Benq PD3420Q use? ›
It features an IPS panel, which delivers wide 178° viewing angles and consistent colour accuracy. Colours stay accurate whether you're sitting centred or off to the side.
02 How smooth is the Benq PD3420Q for everyday use? ›
The 60Hz refresh rate makes scrolling, animations, and cursor movement visibly smoother than a 60Hz screen. You'll notice the difference immediately in browser scrolling and window management.
03 Is the HDR on the Benq PD3420Q any good? ›
The HDR400 certification is entry-level HDR ⚠ Not premium HDR. It unlocks HDR signals from Netflix and other platforms, providing a step up from SDR. However, peak brightness is not high enough for the full cinematic HDR effect — panels rated HDR600 or above deliver that. For casual HDR viewing it is fine; for dedicated HDR enthusiasts it is not.
04 Is the Benq PD3420Q suitable for photo or video editing? ›
✓ Yes — 100% DCI-P3 coverage means the colours you grade in Lightroom or DaVinci Resolve stay consistent when exported to screen and print. Suitable for professional colour work without a dedicated calibration monitor.
05 Who is the Benq PD3420Q best for? ›
It is best suited for content creators. It is less ideal for hardcore gaming or premium HDR experiences — there are better-spec'd options for those needs. Check the "Who Should Buy" section above for a full profile breakdown.
06 Does the IPS panel cause issues in dark rooms? ›
IPS panels produce a slight glow in very dark rooms when displaying black content — this is normal for the technology. It is most noticeable in pitch-black rooms. For dark-room cinematic use, a VA or OLED panel would produce deeper blacks. For everyday and office use it is not an issue.
07 Is the Benq PD3420Q worth buying in 2026? ›
It remains a competitive option for content creators. Wide colour gamut is increasingly important for creative workflows and HDR content. Check current pricing against alternatives to confirm value at the time of purchase.
Questions are generated from Benq PD3420Q specifications. For full technical data, see the Specifications tab above.
💬Reviews

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  • Design score
    8
  • Display score
    8
  • HDR score
    7
  • 9
  • Connectivity score
    8
  • 6 / 10 based on your selection
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