Benq EW3290U vs Benq EX321UZ
Choosing between the Benq EW3290U and the Benq EX321UZ comes down to what you prioritise. These aren't just different specs on paper — they're built differently at the panel level. The Benq EX321UZ's OLED panel means individual pixels switch off for true blacks — a genuine advantage for dark-room gaming and HDR content. The Benq EW3290U's IPS panel trades that contrast ceiling for higher sustained brightness and less burn-in risk.
Buy the Benq EW3290U if you need USB-C (USB-C — single-cable connection for modern laptops).
- IPS — accurate colour and wide 178° viewing angles
- Ergonomics — 110 mm height, pivot — adjustable for any desk setup
- 350 cd/m² — brightness — better visibility in bright office environments
Buy the Benq EX321UZ if you need USB-C (USB-C — single-cable connection for modern laptops).
- QD-OLED (Samsung) — panel technology
- Ergonomics — 100 mm height — adjustable for any desk setup
Benq EW3290U
- Benq EW3290U -- Refresh Rate: 60Hz (max) -- lower max Hz -- less fluid gameplay
- Benq EW3290U -- Response Time: 5 ms (GtG) -- slower GtG response -- more visible blur in fast scenes
- Benq EW3290U -- Brightness (Typical): 350 cd/m² -- brighter -- better HDR impact and bright-room visibility
- Benq EW3290U -- DCI-P3 Coverage: 98% -- ⚠️ narrower colour gamut -- colours appear less saturated; a calibration-focused workflow may require a wider-gamut panel
- Benq EW3290U -- Pixel Density: 137 PPI -- lower pixel density -- softer at close viewing distances
Benq EX321UZ
- Benq EX321UZ -- Refresh Rate: 240Hz (max) -- higher max Hz -- smoother motion, competitive advantage
- Benq EX321UZ -- Response Time: 0.03 ms (GtG) -- faster GtG response -- sharper motion, less ghosting
- Benq EX321UZ -- Brightness (Typical): 250 cd/m² -- ⚠️ lower typical brightness (250 cd/m²) -- OLED panels compensate with infinite contrast and perfect blacks; bright-room HDR highlights may appear less punchy than a high-nit IPS or Mini-LED
- Benq EX321UZ -- DCI-P3 Coverage: 99% -- wider colour gamut -- richer, more saturated colours
- Benq EX321UZ -- Pixel Density: 139 PPI -- sharper image -- more pixels per inch
- IPS panel — wide 178°/178° viewing angles with accurate, consistent color reproduction
- HDR support (DisplayHDR 400 / HDR10) with 400 cd/m² peak — enhanced contrast for HDR media
- 4K UHD resolution at 137 PPI — razor-sharp detail for creative and professional workflows
- 98% DCI-P3 — professional-level wide-gamut color reproduction for accurate creative work
- Full ergonomic stand (height, pivot, swivel, tilt) — adaptable for comfortable long-session productivity use
- IPS contrast (1000 : 1) — blacks look grey in dark viewing conditions compared to VA or OLED
- No Thunderbolt 4 — USB-C available but lacks high-speed 40 Gbps bandwidth and high-watt charging
- Entry-tier DisplayHDR 400 — limited local dimming means HDR uplift is modest rather than dramatic
- No built-in Ethernet — monitor lacks wired network hub functionality
- No DisplayPort — HDMI-only video input limits resolution/refresh on older GPU setups
- QD-OLED panel — self-lit pixels deliver infinite contrast with pure blacks and vivid colors
- DisplayHDR True Black certification — exceptional shadow detail and true-black HDR rendering
- 4K UHD resolution at 139 PPI — razor-sharp detail for creative and professional workflows
- 240Hz high refresh rate — butter-smooth motion for fast-paced competitive gaming
- 99% DCI-P3 — cinema-grade wide-gamut color for professional design and content creation
- Low typical brightness (250 cd/m²) — inherent OLED limitation; best suited to dim rooms
- OLED burn-in risk with prolonged static content — menus, taskbars and HUDs can cause retention
- No Thunderbolt 4 — USB-C available but lacks high-speed 40 Gbps bandwidth and high-watt charging
- No built-in speakers — a separate audio solution is required for sound output
- No built-in Ethernet — monitor lacks wired network hub functionality
Benq EX321UZ at 240Hz versus 60Hz -- 180Hz more smoothness for fast-paced games. Competitive gaming sweet spot.
🏆 Benq EX321UZBoth displays share 4K resolution at 139 PPI. Text sharpness and screen real estate are equivalent -- consider connectivity (USB-C, KVM) and stand ergonomics for your workspace.
🏆 Benq EX321UZFor photo editing and design, colour gamut coverage matters most. Benq EX321UZ covers a wider DCI-P3 gamut -- richer, more accurate colours for creative work. Neither includes a factory calibration cert — colour-critical work may require professional calibration post-purchase.
🏆 Benq EX321UZHDR support differs: Benq EX321UZ (HDR10 DisplayHDR 500 True Black) versus DisplayHDR 400 HDR10. For HDR movie content and gaming, the higher-tier HDR certification translates to more dynamic highlight detail.
🏆 Benq EX321UZ| Specification | ||
|---|---|---|
| Overview | ||
| Rating | 7.6/10★★★★★ |
9.0/10★★★★★ |
| Brand | Benq | Benq |
| Category | Monitor | Monitor |
| Basic Information | ||
| Brand | BenQ | BenQ |
| Model | EW3290U | EX321UZ |
| Series | MOBIUZ | MOBIUZ |
| Model Alias | - | MOBIUZ EX321UZ |
| Model Year | 2024 | 2025 |
| Display | ||
| Size Class | 32-inch | 31.5-inch |
| Panel Type ? | IPS | QD-OLED (Samsung) |
| Curvature | -- | -- |
| Resolution | 3840 x 2160 | 3840 x 2160 |
| Aspect Ratio | 16:9 | 16:9 |
| Pixel Density | 137 PPI | 139 PPI |
| Pixel Pitch | 0.182 mm (millimeters) | 0.155 mm (millimeters) |
| Display Area | 89.02 % (percent) | 91.13 % (percent) |
| Color & HDR | ||
| Color Depth | 10 bits | 10 bits |
| Colors | 1073741824 colors | 1073741824 colors |
| sRGB | - | - |
| DCI-P3 Coverage | 98% | 99% |
| HDR Support ? | DisplayHDR 400 HDR10 |
HDR10 DisplayHDR 500 True Black |
| Brightness & Contrast | ||
| Brightness (Typical) | 350 cd/m² | 250 cd/m² |
| Peak Brightness | 400 cd/m² | 1000 cd/m² |
| Contrast | 1000 : 1 | 1500000 : 1 |
| Performance | ||
| Refresh Rate | 60 Hz (hertz) | 48 Hz - 240 Hz |
| Response Time | 5 ms (GtG) | 0.03 ms (GtG) |
| Adaptive Sync ? | - | AMD FreeSync Premium Pro |
| Display Technologies | ||
| 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 |
Panel Technology: - Backlight: Self-emissive (no backlight — OLED) Viewing Angles: 178° / 178° (H / V) MPRT Response: - Dynamic Contrast: - Input Lag: - Screen Coating: Anti-glare/Matte |
| Camera | ||
| Camera | No | No |
| Audio | ||
| Audio | 2 x 2 W (watts) | 3.5 mm Audio Out | 3.5 mm Audio Out |
| Connectivity & Ports | ||
| Ports | 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; 65W; DP Alt Mode) 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; downstream; 7.5W) 3 x USB 3.2 (Type-A; Gen 1; 5 Gbps; downstream; 7.5W) 3 x HDMI 2.0 1 x 3.5 mm Audio Out High-bandwidth Digital Content Protection (HDCP) 2.2 |
1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; data only) 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; 90W; DP Alt Mode) 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; downstream; 7.5W; DP Alt Mode) 2 x USB 3.2 (Type-A; Gen 1; 5 Gbps; downstream; 4.5W) 2 x HDMI 2.1 (eARC) 1 x DisplayPort 2.1 (UHBR20; 80 Gbps) 1 x 3.5 mm Audio Out High-bandwidth Digital Content Protection (HDCP) 2.3 |
| Wireless | - | - |
| Ergonomics | ||
| VESA Mount | 100 x 100 mm | 100 x 100 mm |
| Height Adjustment | 110 mm | 100 mm |
| Pivot | ±0° | No |
| Swivel | ±20° | ±15° |
| Tilt | -5° to +20° | -5° to +15° |
| Removable Stand | Yes | Yes |
| Gaming Features | ||
| Gaming Features | AMA (Advanced Motion Accelerator) | AMD FreeSync Premium Pro |
| Smart & Software Features | ||
| Operating System | - | - |
| Smart Features | AI Contrast AI Picture Optimization Technology Brightness Intelligence Plus Gen2 (B.I.+ Gen2) Color Weakness Mode ePaper Flicker-free technology HDRi Low Blue Light Plus |
AI-Enhanced Auto Adjustment Color Shuttle Customizable Crosshair Flicker-free technology FPS Counter Graphene FIlm HDRi High Pixel Contrast Adjustment KVM Switch Light Tuner Low Blue Light Motion Blue Reduction Quantum Dot Color Smart Game Art Spectral Color Correction |
| Power Consumption | ||
| Voltage | 100–240V | 100–240V |
| Frequency | 50/60Hz | 50/60Hz |
| Average Consumption | 29W | - |
| Maximum Consumption | 180W | - |
| Standby | 0.3W | 0.3W |
| Certificates | ||
| Certificates | EPEAT Eyesafe Certified 2.0 TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified (Hardware Solution) |
EPEAT TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified (Hardware Solution) |
| Design, Build & Dimensions | ||
| Without Stand Width | 714.5 mm | 718.88 mm |
| Without Stand Height | 443.9 mm | 421.44 mm |
| Without Stand Depth | 67.8 mm | 161.3 mm |
| Without Stand Weight | 6 kg | - |
| With Stand Width | 714.5 mm | 718.88 mm |
| With Stand Height | 483.3 mm | 498.14 mm |
| With Stand Depth | 211.2 mm | 223.42 mm |
| With Stand Weight | 8.1 kg | - |
| Color | White | White |
| Operating Conditions | ||
| Temperature | - | - |
| Humidity | - | - |
Panel technology is the biggest difference here. Benq EW3290U uses IPS, while Benq EX321UZ uses OLED. OLED on the Benq EX321UZ enables per-pixel light control -- every dark pixel switches off completely, producing true blacks that no LED-backlit panel can match. Contrast ratio is effectively infinite versus a typical 1000:1 on IPS or VA. On brightness, Benq EX321UZ peaks at 1000 nits versus 400 nits -- a 150% advantage that matters most in HDR content and brightly lit rooms.
Refresh rate is the headline gaming spec. Benq EX321UZ runs at 240Hz versus 60Hz on Benq EW3290U -- a 180Hz gap. 240Hz+ is the sweet spot for competitive play -- frames arrive every 4ms, producing motion that feels completely fluid even in chaotic shooters.On response time: Benq EW3290U (5 ms (GtG)) versus Benq EX321UZ (0.03 ms (GtG)). VRR (Variable Refresh Rate) eliminates screen tearing by syncing the monitor to your GPU's frame output. Both monitors support adaptive sync: Benq EW3290U with -, and Benq EX321UZ with AMD FreeSync Premium Pro.
Benq EX321UZ uses OLED -- each of the millions of pixels produces its own light and can switch off completely for true blacks. This means infinite contrast ratio and HDR highlights that pop against a genuinely dark background, which is impossible on any LED-backlit panel. The Benq EW3290U uses a backlit panel where a shared backlight behind all pixels means some light bleeds into dark areas. Brightness can be higher, which helps in a well-lit room. Burn-in risk: OLED monitors can develop permanent image retention from static content (taskbars, HUD elements, desktop icons) over thousands of hours. Modern OLED monitors include pixel-shift and refresh features to reduce risk -- avoid leaving static images on-screen for extended periods.
Both share 4K resolution, but Benq EX321UZ has a marginally higher pixel density (139 vs 137 PPI) -- a small but noticeable difference for fine text at close range. Neither monitor offers full ergonomic adjustment. A VESA monitor arm is recommended for proper positioning if you spend long hours at your desk. For bright office environments, Benq EX321UZ at 1000 nits versus 400 nits provides better visibility against ambient light -- the higher brightness reduces eye strain in daylit rooms.
Both monitors share 4K resolution, but refresh rate targets differ. Pushing Benq EX321UZ to 240Hz requires more GPU headroom than 60Hz. Mid-range and budget GPU tiers below reflect the lower 60Hz target; top-tier GPUs unlock the full 240Hz potential.
Benq EX321UZ has a significantly richer connectivity package. Key advantages: USB-C 90W -- single cable powers and connects a laptop; HDMI 2.1 -- supports PS5/Xbox Series X at 4K 120Hz natively. The Benq EW3290U covers standard display inputs but lacks these hub and convenience features -- if you work at a desk and connect a laptop daily, this gap matters considerably.
Connectivity score methodology: USB-C Power Delivery (2 pts) · USB hub ports (2 pts) · Ethernet (1 pt) · HDMI 2.1 (1 pt) · KVM switch (2 pts) · Thunderbolt (2 pts). Higher score = more complete connectivity package. Ties broken in favour of USB-C power delivery.
Both monitors have basic stand adjustment. If you need precise positioning, a VESA-compatible monitor arm is recommended -- check the spec table for VESA mount support (typically 75×75mm or 100×100mm).
Use our free screen size comparison tool, PPI calculator, and power consumption calculator to go deeper than spec numbers alone. These display comparison tools help you accurately compare monitors and TVs beyond what a spec table shows -- from physical dimensions to real-world electricity costs.
Bottom line: For most buyers, the Benq EX321UZ is the stronger choice, leading on USB-C single-cable connectivity, full height and tilt adjustment. The Benq EW3290U is worth considering if cost is the deciding factor or if its specific connectivity or form factor better matches your desk setup. Check the use-case categories above to see which display wins for your primary activity.
Benq EW3290U vs Benq EX321UZ: What Actually Matters
The most fundamental difference here is panel technology. The Benq EW3290U uses IPS while the Benq EX321UZ uses OLED. In practice that means the Benq EX321UZ can produce true blacks and infinite contrast -- every pixel switches off completely -- whereas the Benq EW3290U\s backlight means some light always bleeds into dark scenes.
If we had to pick one for most people, the Benq EX321UZ earns the recommendation on overall specification strength and a 4.5/5 composite score. That said, the right answer genuinely depends on your GPU, your use case split between gaming and productivity, and whether you spend time in a bright or dark room.
Strengths Worth Knowing
The Benq EW3290U stands out for ips panel — wide 178°/178° viewing angles with accurate, consistent color reproduction and hdr support (displayhdr 400 / hdr10) with 400 cd/m² peak — enhanced contrast for hdr media. The main compromise: ips contrast (1000 : 1) — blacks look grey in dark viewing conditions compared to va or oled.
The Benq EX321UZ stands out for qd-oled panel — self-lit pixels deliver infinite contrast with pure blacks and vivid colors and displayhdr true black certification — exceptional shadow detail and true-black hdr rendering. The main compromise: low typical brightness (250 cd/m²) — inherent oled limitation; best suited to dim rooms.
❓ Frequently Asked Questions
For gaming, the Benq EX321UZ has the edge thanks to its 240Hz maximum refresh rate. Higher refresh rates produce smoother motion and reduce perceived input lag -- critical advantages in competitive shooters and action titles. If both share the same Hz, compare response time in the spec table above.
The Benq EW3290U uses a IPS panel; the Benq EX321UZ uses OLED. OLED on the Benq EX321UZ means true per-pixel blacks and infinite contrast -- a real-world advantage for dark environments and HDR content. The IPS panel can achieve higher peak brightness, which helps in a well-lit room.
For all-day productivity work -- documents, spreadsheets, coding, and content creation -- resolution and panel colour accuracy matter most. The Benq EX321UZ is the stronger daily driver based on overall specification score. For long hours, also look for a model with flicker-free backlight and low blue-light mode -- check the spec table above for those details.
The Benq EX321UZ is the stronger all-round choice based on its overall score of 4.5/5. That said, if your priority is specifically competitive gaming at the highest possible refresh rate, see the Quick Answer section at the top of this page for use-case-specific recommendations. The Benq EW3290U is not a bad choice -- it simply trails on overall specification weight, which may not reflect the single spec most important to your setup.
IPS (In-Plane Switching) panels are the most common in quality monitors -- they offer wide viewing angles and accurate colour reproduction, making them ideal for design work, general use, and brightly lit rooms. VA (Vertical Alignment) panels have a higher native contrast ratio, producing deeper blacks, which benefits dark-room gaming and movie watching. OLED panels work differently: each pixel emits its own light, enabling true blacks, near-infinite contrast, and perfect viewing angles -- at the cost of higher price and some burn-in risk with static content.
For non-gaming use -- web browsing, documents, video calls -- 60Hz to 75Hz is completely adequate and you will not feel the difference from a 144Hz or 240Hz panel. Where higher refresh rates genuinely improve the experience beyond gaming is in cursor smoothness during scrolling and desktop navigation, which some users appreciate. In short: the step from 60Hz to 75Hz has minimal benefit; the step from 60Hz to 144Hz is noticeable but not essential for productivity.
Disclaimer: You can write your own disclaimer from APS Settings -> General -> Disclaimer Note.