Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor vs Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor
For gamers, the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor's 165Hz refresh rate crushes the Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor's 60Hz. This means smoother gameplay and less motion blur, making it the clear choice for high-paced action. However, if you're into photography or need versatile connectivity, the Dell UltraSharp's 4K resolution and 90W USB-C charging are game-changers. With a resolution of 3840 x 2160, you'll see finer details in your work compared to the Alienware's 3440 x 1440, which is still impressive but lags behind in pixel density. Key specs: Display: 34.18" vs 27" and Refresh: 165 Hz vs 60 Hz.
Why compare these? Both the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor and Dell UltraSharp U2723QE 27" 4K USB-C Hub 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 | Dell UltraSharp |
|---|---|---|
| User Rating | ✓4.8★ (1,501 reviews) | 4.6★ (31 reviews) |
| Top Strength | QD-OLED panel delivers infinite contrast and perfect blacks with no blooming | IPS Black technology delivers a 2,000:1 contrast ratio, offering significantly deeper blacks than standard IPS panels |
| Main Drawback | HDMI port is version 2.0, limiting native resolution output to 100Hz (console support varies) | Limited to 60Hz refresh rate, making it unsuitable for gaming or high-motion video work |
| 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)
Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor
27" Viewable (27" Class)
3840 x 2160 (4K UHD)
16:9
IPS Black
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 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(31)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) |
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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
Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor
27" Viewable (27" Class)
3840 x 2160 (4K UHD)
16:9
IPS Black
60 Hz
5 ms (GtG Fast) / 8 ms (GtG Normal)
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
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)
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's 60Hz. That said, grab the Dell if you need 4K resolution and USB-C power delivery for your devices.
Who should buy each?
Choose the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor if: you play fast-paced games, love immersive ultrawide displays, or want vibrant colors. (34.18" display, 165 Hz refresh)
Choose the Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor if: you need sharp 4K resolution for editing, want a single-cable docking solution, or require KVM support for multiple PCs.
Quality Seekers
Higher user rating (4.8★ vs 4.6★) indicates better overall satisfaction
→ Choose Alienware AW3423DWF
Safe Choice Buyers
More widely tested with 1,501 reviews vs 31
→ Choose Alienware AW3423DWF
QD-OLED panel delivers Priority
QD-OLED panel delivers infinite contrast and perfect blacks with no blooming
→ Choose Alienware AW3423DWF
IPS Black technology Priority
IPS Black technology delivers a 2,000:1 contrast ratio, offering significantly deeper blacks than standard IPS panels
→ Choose Dell UltraSharp
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Bottom line: The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor edges ahead with a 4.8★ rating compared to 4.6★. However, Dell UltraSharp U2723QE 27" 4K USB-C Hub 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 Dell UltraSharp U2723QE 27" 4K USB-C Hub 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. Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor wins if you value ips black technology delivers a 2,000:1 contrast ratio, offering significantly deeper blacks than standard ips panels. Both are rated highly (4.8★ vs 4.6★), so consider your specific needs and budget.
+What are the main differences between Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor and Dell UltraSharp U2723QE 27" 4K USB-C Hub 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 Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor stands out with ips black technology delivers a 2,000:1 contrast ratio, offering significantly deeper blacks than standard ips panels. 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, Dell UltraSharp U2723QE 27" 4K USB-C Hub Monitor limited to 60hz refresh rate, making it unsuitable for gaming or high-motion video work. 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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