Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor vs LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor crushes the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor in refresh rate: 165Hz vs 60Hz. This means smoother gameplay and faster response for gamers, while the LG excels in vertical workspace for multitaskers with its unique 16:18 aspect ratio. In real-world use, the Alienware's 0.1ms response time offers a gaming experience with zero motion blur, while the LG's Nano IPS panel delivers exceptional color accuracy, covering 98% DCI-P3. So, if you're all about gaming, the Alienware is the smart choice, but for creative work, the LG's vertical format is a game changer. Key specs: Display: 34.18" vs 27.6" and Refresh: 165 Hz vs 60 Hz.
Why compare these? Both the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor and LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor are premium flagship monitors competing in the same market segment. This makes them direct rivals for buyers looking for premium flagship features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.
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Key Differences at a Glance
| Aspect | Alienware AW3423DWF | LG DualUp |
|---|---|---|
| User Rating | ✓4.8★ (1,501 reviews) | 4.7★ (36 reviews) |
| Top Strength | QD-OLED panel delivers infinite contrast and perfect blacks with no blooming | Unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap |
| Main Drawback | HDMI port is version 2.0, limiting native resolution output to 100Hz (console support varies) | Strictly limited to 60Hz with no VRR, making it poor for gaming |
| Market Position | Flagship | Flagship |
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
34.18" Viewable (34" Class)
3440 x 1440 (UWQHD)
21:9
QD-OLED (Quantum Dot OLED)
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
27.6" Viewable (28" Class)
2560 x 2880 (SDQHD)
16:18
Nano IPS
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor vs LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
| Criterion | Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor | LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor |
|---|---|---|
| Rating | ★4.8(1,501)Best Buy | ★4.7(36)Best Buy |
Screen Size | 34.18" Viewable (34" Class) | 27.6" Viewable (28" Class) |
Resolution | 3440 x 1440 (UWQHD) | 2560 x 2880 (SDQHD) |
Aspect Ratio | 21:9 | 16:18 |
Screen Type | QD-OLED (Quantum Dot OLED) | Nano IPS |
Refresh Rate | 165 Hz (via DisplayPort) / 100 Hz (via HDMI 2.0) | 60 Hz |
Response Time | 0.1 ms (GtG) | 5 ms (GtG) |
Brightness | 250 nits (Typical SDR) / 1,000 nits (Peak HDR) | 300 nits (Typical) |
Contrast | 1,000,000:1 (Infinite) | 1,000:1 (Typical) |
Color Gamut | 99.3% DCI-P3 / 149% sRGB | 98% DCI-P3 (CIE1976) |
Color Depth | 1.07 Billion (10-bit) | 1.07 Billion (10-bit) |
HDR | VESA DisplayHDR True Black 400 (Peak 1000 Mode available) | HDR10 |
Adaptive Sync | AMD FreeSync Premium Pro (VRR 48-165Hz) | No (Not supported) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | 1800R | Flat |
Speakers | No (None) | 2x 7 W (Stereo with MaxxAudio) |
Ports | 2x DisplayPort 1.4; 1x HDMI 2.0; 1x USB-B Upstream; 4x USB-A Downstream (5 Gbps); 1x Audio Line-out; 1x Headphone Out | 2x HDMI 2.0; 1x DisplayPort 1.4; 1x USB-C (90W PD, Data, Video); 2x USB-A 3.0 Downstream; 1x USB-B 2.0 Upstream; 1x 3.5mm Headphone Out |
USB C | No | Yes (90W Power Delivery + Video + Data) |
Kvm | No | Yes (Built-in Auto KVM & PBP) |
Vesa | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (110mm), Swivel (-20° to 20°), Tilt (-5° to 21°), Slant (-5° to 5°) | Ergo Stand (C-Clamp/Grommet): Extend/Retract (210mm), Swivel (±335°), Pivot (90° CCW), Height (130mm), Tilt (±25°) |
Power Consumption | 34 W (Typical) / 200 W (Max) / 0.5 W (Standby) | 40 W (Typical) / 190 W (Max) / 0.5 W (Sleep) |
Weight With Stand | 9,650 g (21.27 lbs) | 9,000 g (19.8 lbs) |
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Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
34.18" Viewable (34" Class)
3440 x 1440 (UWQHD)
21:9
QD-OLED (Quantum Dot OLED)
165 Hz (via DisplayPort) / 100 Hz (via HDMI 2.0)
0.1 ms (GtG)
Pros
- QD-OLED panel delivers infinite contrast and perfect blacks with no blooming
- Instantaneous 0.1ms response time ensures zero motion blur in fast-paced games
Cons
- HDMI port is version 2.0, limiting native resolution output to 100Hz (console support varies)
- Non-standard triangular subpixel layout can cause text fringing (purple/green edges) on text
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
27.6" Viewable (28" Class)
2560 x 2880 (SDQHD)
16:18
Nano IPS
60 Hz
5 ms (GtG)
Pros
- Unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap
- Nano IPS panel covers 98% DCI-P3, offering professional-grade color accuracy for creators
Cons
- Strictly limited to 60Hz with no VRR, making it poor for gaming
- Unconventional aspect ratio (2560x2880) may require scaling tweaks in macOS/Windows
Which one is better?
The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor is the better buy for most people - its 165Hz refresh rate crushes the LG DualUp's 60Hz. That said, grab the LG if you need vertical space for multitasking - it's lighter at 317.47oz.
Who should buy each?
Choose the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor if: you game regularly and want ultra-smooth visuals, prefer deep blacks and vibrant colors, or need a large immersive display. (34.18" display, 165 Hz refresh)
Choose the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor if: you work extensively with creative software, require a unique vertical workspace, or need USB-C connectivity for charging laptops. (27.6" display, 60 Hz refresh)
Quality Seekers
Higher user rating (4.8★ vs 4.7★) indicates better overall satisfaction
→ Choose Alienware AW3423DWF
Safe Choice Buyers
More widely tested with 1,501 reviews vs 36
→ Choose Alienware AW3423DWF
QD-OLED panel delivers Priority
QD-OLED panel delivers infinite contrast and perfect blacks with no blooming
→ Choose Alienware AW3423DWF
Unique 16:18 aspect Priority
Unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap
→ Choose LG DualUp
Conclusion
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor and LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor edges ahead with a 4.8★ rating compared to 4.7★. However, LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor or LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor?
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor is the better choice if you prioritize qd-oled panel delivers infinite contrast and perfect blacks with no blooming. LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor wins if you value unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. Both are rated highly (4.8★ vs 4.7★), so consider your specific needs and budget.
+What are the main differences between Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor and LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor?
Key differences: Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor offers qd-oled panel delivers infinite contrast and perfect blacks with no blooming, while LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor stands out with unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. Consider that Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor hdmi port is version 2.0, limiting native resolution output to 100hz (console support varies). Meanwhile, LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor strictly limited to 60hz with no vrr, making it poor for gaming. Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
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