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  1. Home
  2. /Monitors
  3. /Alienware AW3425DW vs Dell UltraSharp U5226KW

Alienware AW3425DW vs Dell UltraSharp U5226KW

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Alienware AW3425DW is the better pick — it scores 62/100 to the Dell UltraSharp U5226KW's 58, leading on Performance and HDR. Choose the Dell UltraSharp U5226KW instead if panel and image quality matter most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Key takeaways

  • Alienware AW3425DW and Dell UltraSharp U5226KW are closely matched overall (within 4 points).
  • Alienware AW3425DW stands out on Panel Type: QD-OLED, Performance Refresh Rate: 240 Hz (100% more), Performance Response Time (GtG): 0.03 ms (99% less).
  • Dell UltraSharp U5226KW counters with Panel Screen Size: 51.5 in (51% more), Panel Resolution: 6144 × 2560 px, Panel Pixel Density: 129 (17% more).
Alienware AW3425DW and Dell UltraSharp U5226KW are closely matched
Alienware AW3425DW
62
Dell UltraSharp U5226KW
58
Where Alienware AW3425DW stands out
  • Panel Type: QD-OLED
  • Performance Refresh Rate: 240 Hz (100% more)
  • Performance Response Time (GtG): 0.03 ms (99% less)
Where Dell UltraSharp U5226KW stands out
  • Panel Screen Size: 51.5 in (51% more)
  • Panel Resolution: 6144 × 2560 px
  • Panel Pixel Density: 129 (17% more)

Strengths Profile

Bigger shape = stronger. Whoever reaches further wins that category.

Winner by category for Alienware AW3425DW vs Dell UltraSharp U5226KW
CategoryAlienware AW3425DWDell UltraSharp U5226KWWinner
Panel4078Dell UltraSharp U5226KW
Image Quality4456Dell UltraSharp U5226KW
Performance8614Alienware AW3425DW
HDR1000Alienware AW3425DW
Connectivity4177Dell UltraSharp U5226KW
Ergonomics8585Tie

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

Alienware AW3425DW

The Alienware AW3425DW is a 34-inch ultrawide gaming monitor featuring a 240Hz QD-OLED panel. Positioned as an upgraded successor to the AW3423DW and DW-F models, it incorporates HDMI 2.1 bandwidth alongside higher refresh rates at a $799 price point. It is designed for gamers wanting high-frame-rate fluidity combined with the contrast and color performance of quantum dot OLED display technology.

Best for Ultrawide PC gaming at high frame rates with deep contrastBest for Multi-platform setups requiring HDMI 2.1 input for modern gaming devices
Pros
  • High 240Hz refresh rate delivers exceptionally smooth motion
  • Quantum Dot OLED panel produces vibrant colors and true black contrast
  • HDMI 2.1 inclusion expands compatibility for high-bandwidth gaming
Cons
  • Bright ambient room lighting can raise black levels on the display surface
  • Risk of VRR flicker and permanent image retention associated with OLED panels
Video — reviews used (1)

Video reviews by ShortCircuit and RTINGS detailing performance, specs, and display characteristics.

Generated Nov 3, 2026

Dell UltraSharp U5226KW

The Dell UltraSharp U5226KW is a massive 51.5-inch curved ultrawide monitor tailored for professional creators and multitaskers. Built around an IPS Black panel, it delivers a high 6144 x 2560 resolution and a smooth 120Hz refresh rate. Additionally, it integrates a powerful USB-C hub capable of delivering 140W of power to connected notebooks.

Best for Replacing dual-monitor configurations with a single seamless workspaceBest for High-end productivity and color-accurate creative design with 99% DCI-P3…
Pros
  • IPS Black technology provides a high 2000:1 contrast ratio for deeper blacks
  • Extremely detailed 6144 x 2560 resolution with 129 PPI pixel density
  • Robust 140W USB-C power delivery to charge high-performance laptops
  • Fluid motion handling thanks to a 120Hz refresh rate and VRR support
Cons
  • At 12.96 kg without the stand, it is exceptionally heavy and requires robust mounting support
  • Massive physical width of 122.35 cm demands significant desk space
Official
  • Official specificationsOfficial specification sheet detailing panel performance, physical dimensions, and port selections.
Video — reviews used (3)

Generated Sep 12, 2026

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Alienware AW3425DW

Check Price on Amazon

Dell UltraSharp U5226KW

Check Price on Amazon

Physical Comparison

Weight, side by side

Dell UltraSharp U5226KW
12.96kg
Weight

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Panel

Feature
Alienware AW3425DW
Dell UltraSharp U5226KW
Screen Size
34 in
51.5 in51% more
Resolution
3440 × 1440 px
6144 × 2560 px
Panel Type
Aspect Ratio
21:9
21:9
Pixel Density
110
12917% more
Curved
Yes
Yes
Curvature radius
1,800 mm
4,200 mm
Screen-to-body ratio
—94%

Image Quality

Feature
Alienware AW3425DW
Dell UltraSharp U5226KW
Brightness (typical)
250 nits
400 nits60% more
Contrast Ratio
1500000:1
2000:1
Color Gamut (DCI-P3)
99
99
Color Depth
10-bit
10-bit

Performance

Feature
Alienware AW3425DW
Dell UltraSharp U5226KW
Refresh Rate
240 Hz100% more
120 Hz
Response Time (GtG)
0.03 ms99% less
5 ms
Adaptive Sync
G-Sync Compatible / FreeSync Premium Pro
VRR

HDR

Feature
Alienware AW3425DW
Dell UltraSharp U5226KW
HDR Format
HDR10, DisplayHDR True Black 400
N/A
Peak Brightness (HDR)
1,000 nits
N/A

Connectivity

Feature
Alienware AW3425DW
Dell UltraSharp U5226KW
HDMI Ports
2
2
DisplayPort
1
2100% more
USB-C
Yes
Yes
Power Delivery
15 W
140 W833% more
USB Hub
Yes
Yes

Ergonomics

Feature
Alienware AW3425DW
Dell UltraSharp U5226KW
Height Adjustment
Yes
Yes
VESA Mount
100 × 100 px
100 × 100, 200 × 100, 200 × 200
Built-in Speakers
N/A
Yes
Dimensions (without stand)
N/A
122.35 × 52.89 × 11.2 cm
Weight (without stand)
N/A
12.96 kg
Release Date
March 1, 2025
January 6, 2026

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about Alienware AW3425DW vs Dell UltraSharp U5226KW comparison

Based on our overall comparison score, Alienware AW3425DW rates higher at 77/100 versus 65/100 for Dell UltraSharp U5226KW — a 12-point lead. Alienware AW3425DW is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Alienware AW3425DW and Dell UltraSharp U5226KW are compared side by side above across every spec in the monitors category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 77/100 for Alienware AW3425DW and 65/100 for Dell UltraSharp U5226KW.
At launch, Alienware AW3425DW was the more affordable option ($799) versus Dell UltraSharp U5226KW ($2900). Weigh that against the overall scores (77/100 vs 65/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
If you want the higher-rated monitors option overall, Alienware AW3425DW (77/100) edges out Dell UltraSharp U5226KW (65/100). But if Dell UltraSharp U5226KW is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.

Which would you buy?

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Looking for alternatives?

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