Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor vs Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor
The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor is the flagship choice for gamers, boasting a staggering 165Hz refresh rate and a 0.1ms response time, perfect for fast-paced action. In contrast, the Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor shines in productivity tasks with its 4K resolution and versatile docking capabilities. In real-world use, the Alienware's ultrawide 3440 x 1440 resolution creates an immersive gaming experience, while the Dell's 3840 x 2160 resolution ensures crystal-clear image quality for photo editing. So, if you're a gamer, the numbers favor the Alienware, but if you need a monitor for creative work, the Dell is hard to beat.
As an Amazon Associate I earn from qualifying purchases.

Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor

Dell UltraSharp U2723QE 27" 4K USB-C Hub 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.
Expand
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 Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor

Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor

Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor
| Criterion | Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor | Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor |
|---|---|---|
| Rating | ★4.8(1,501)Best Buy | ★4.6(45)Best Buy |
Screen Size | 34.18" Viewable (34" Class) | 27" Viewable (27" Class) |
Resolution | 3440 x 1440 (UWQHD) | 3840 x 2160 (4K UHD) |
Aspect Ratio | 21:9 | 16:9 |
Screen Type | QD-OLED (Quantum Dot OLED) | IPS Black |
Refresh Rate | 165 Hz (via DisplayPort) / 100 Hz (via HDMI 2.0) | 60 Hz |
Response Time | 0.1 ms (GtG) | 5 ms (GtG Fast) / 8 ms (GtG Normal) |
Brightness | 250 nits (Typical SDR) / 1,000 nits (Peak HDR) | 400 nits (Typical) |
Contrast | 1,000,000:1 (Infinite) | 2,000:1 (Static) |
Color Gamut | 99.3% DCI-P3 / 149% sRGB | 100% sRGB / 100% Rec.709 / 98% DCI-P3 |
Color Depth | 1.07 Billion (10-bit) | 1.07 Billion (10-bit via 8-bit + FRC) |
HDR | VESA DisplayHDR True Black 400 (Peak 1000 Mode available) | VESA DisplayHDR 400 |
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) | No (None; compatible with Dell SB521A Soundbar) |
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 | 1x HDMI 2.0; 1x DisplayPort 1.4; 1x DisplayPort Out (MST); 1x USB-C (DP Alt, 90W PD); 1x USB-C Upstream (Data/KVM); 1x USB-C Downstream (15W); 4x USB-A 3.2 Gen 2; 1x RJ45 Ethernet; 1x 3.5mm Audio Out |
USB C | No | Yes (90W Power Delivery + Video + Data + Daisy Chain) |
Kvm | No | Yes (Built-in Auto KVM) |
Vesa | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (110mm), Swivel (-20° to 20°), Tilt (-5° to 21°), Slant (-5° to 5°) | Height (150mm), Swivel (-30° to 30°), Pivot (90°), Tilt (-5° to 21°) |
Power Consumption | 34 W (Typical) / 200 W (Max) / 0.5 W (Standby) | 26 W (Typical) / 220 W (Max with full Hub load) / 0.3 W (Standby) |
Weight With Stand | 9,650 g (21.27 lbs) | 6,640 g (14.64 lbs) |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |

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
As an Amazon Associate I earn from qualifying purchases.

Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor
✓ Pros:
- • IPS Black technology delivers a 2,000:1 contrast ratio, offering significantly deeper blacks than standard IPS panels
- • Acts as a full docking station: One cable provides 90W charging, 4K video, USB data, and wired Ethernet
- • Built-in KVM allows you to control two PCs (e.g., Mac and Windows) with a single keyboard/mouse
- • Supports MST Daisy Chaining (via DisplayPort Out) to easily connect a second 4K monitor
- • Factory calibrated color accuracy (98% DCI-P3) is ideal for professional photo/video editing
✗ Cons:
- • Limited to 60Hz refresh rate, making it unsuitable for gaming or high-motion video work
- • No built-in speakers (requires external audio or optional magnetic soundbar)
- • Expensive compared to standard 4K monitors that lack the Hub/IPS Black features
- • IPS glow is reduced but still present compared to VA or OLED panels
As an Amazon Associate I earn from qualifying purchases.
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 Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor. That said, grab the Dell if you prioritize 4K resolution for creative tasks - it's a solid choice for professionals.
Who should buy each?
Choose the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor if: you love immersive gaming, need ultra-fast response times, or want vibrant colors. (34.18" display, 165 Hz refresh)
Choose the Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor if: you do a lot of photo editing, require a docking station setup, or work with multiple devices. (27" display, 60 Hz refresh)
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
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. Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor is better if you prioritize ips black technology delivers a 2,000:1 contrast ratio, offering significantly deeper blacks than standard ips panels. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
Affiliate disclosure
PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.
