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 is the premium option here, specifically designed for gamers with its lightning-fast 165Hz refresh rate. In real-world use, this higher refresh rate delivers ultra-smooth gameplay, especially in fast-paced titles, while the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor caters to productivity with its unique aspect ratio and 90W USB-C power delivery. The trade-off is significant. The Alienware monitor offers a stunning 3440 x 1440 resolution that enhances immersion, while the LG's 2560 x 2880 resolution is better suited for multitasking but lacks gaming prowess. If you're serious about gaming, the choice seems clear, especially considering the Alienware's superior specs for that purpose in 2026.
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Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
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
✓ 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
- • Includes a 3-year manufacturer warranty that explicitly covers OLED burn-in
- • Glossy screen coating makes colors appear significantly more vibrant than matte equivalents
- • Quieter operation than the 'DW' model (uses a single fan vs. two)
✗ 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
- • OLED panels carry a risk of burn-in with static elements (though mitigated by pixel shift tech)
- • Raised black levels can occur in bright rooms due to the lack of a polarizing layer
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LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
✓ 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
- • Included Ergo Stand allows for extreme flexibility and frees up desk space (C-Clamp mount)
- • USB-C connectivity delivers up to 90W charging, handling powerful MacBook Pros and Windows laptops
- • Built-in KVM and Picture-by-Picture (PBP) allow you to view and control two computers simultaneously
✗ Cons:
- • Strictly limited to 60Hz with no VRR, making it poor for gaming
- • Unconventional aspect ratio (2560x2880) may require scaling tweaks in macOS/Windows
- • Setup is heavy and requires a sturdy desk edge for the C-Clamp
- • Upstream USB-B port is limited to USB 2.0 speeds (though USB-C supports 3.0)
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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 DualUp if you need a versatile monitor for productivity and appreciate its unique aspect ratio.
Who should buy each?
Choose the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor if: you crave an immersive gaming experience, want ultra-fast response times, or enjoy high refresh rates. (34.18" display, 165 Hz refresh)
Choose the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor if: you need vertical screen space for multitasking, require USB-C power delivery for your laptop, or prefer a unique ergonomic design. (27.6" display, 60 Hz refresh)
Conclusion
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
Frequently Asked Questions
+Which has better value?
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor excels if you value qd-oled panel delivers infinite contrast and perfect blacks with no blooming. LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor is better if you prioritize unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. Pick based on your budget and daily use.
+Is this an independent review?
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+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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