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  1. Home
  2. /Monitors
  3. /LG UltraGear 45GX950A-B vs Alienware AW3425DW

LG UltraGear 45GX950A-B vs Alienware AW3425DW

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

For most buyers the LG UltraGear 45GX950A-B is the better pick — it scores 64/100 to the Alienware AW3425DW's 51, leading on Panel and Performance. Choose the Alienware AW3425DW instead if image quality matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Key takeaways

  • LG UltraGear 45GX950A-B leads Alienware AW3425DW overall by 13 points (64 vs 51 out of 100).
  • LG UltraGear 45GX950A-B stands out on Panel Screen Size: 44.5 in (31% more), Panel Resolution: 5120 × 2160 px, Panel Pixel Density: 125 (14% more).
LG UltraGear 45GX950A-B leads overall
LG UltraGear 45GX950A-B
64
Alienware AW3425DW
51
Why it stands out
  • Panel Screen Size: 44.5 in (31% more)
  • Panel Resolution: 5120 × 2160 px
  • Panel Pixel Density: 125 (14% more)

Strengths Profile

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

Winner by category for LG UltraGear 45GX950A-B vs Alienware AW3425DW
CategoryLG UltraGear 45GX950A-BAlienware AW3425DWWinner
Panel8040LG UltraGear 45GX950A-B
Image Quality2674Alienware AW3425DW
Performance6337LG UltraGear 45GX950A-B
HDR8614LG UltraGear 45GX950A-B
Connectivity6850LG UltraGear 45GX950A-B
Ergonomics8585Tie

In-depth analysisAI

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

LG UltraGear 45GX950A-B

The LG UltraGear 45GX950A-B is a 45-inch OLED gaming monitor built to provide expansive, high-contrast visuals for desktop gaming setups. Part of LG's UltraGear lineup, it targets enthusiast PC gamers looking for deep black levels and an immersive widescreen experience.

Best for Immersive widescreen desktop PC gamingBest for High-contrast viewing in dark or dim gaming environments
Pros
  • Large 45-inch display area delivers strong visual immersion for gaming
  • OLED display technology provides deep blacks and high image contrast
Cons
  • Substantial physical footprint demands a large, dedicated desk space
Official
  • Official product pageProvided product identification as a 45-inch UltraGear OLED gaming monitor.

Generated Nov 4, 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

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.

LG UltraGear 45GX950A-B

Check Price on Amazon

Alienware AW3425DW

Check Price on Amazon

Physical Comparison

Weight, side by side

LG UltraGear 45GX950A-B
9.4kg
Weight

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Panel

Feature
LG UltraGear 45GX950A-B
Alienware AW3425DW
Screen Size
44.5 in31% more
34 in
Resolution
5120 × 2160 px
3440 × 1440 px
Panel Type
Aspect Ratio
21:9
21:9
Pixel Density
12514% more
110
Curved
Yes
Yes
Curvature radius
800 mm
1,800 mm
Screen-to-body ratio
100%—

Image Quality

Feature
LG UltraGear 45GX950A-B
Alienware AW3425DW
Brightness (typical)
275 nits10% more
250 nits
Contrast Ratio
1500000:1
1500000:1
Color Gamut (DCI-P3)
98
99
Color Depth
10-bit
10-bit

Performance

Feature
LG UltraGear 45GX950A-B
Alienware AW3425DW
Refresh Rate
330 Hz38% more
240 Hz
Response Time (GtG)
0.03 ms
0.03 ms
Adaptive Sync
FreeSync Premium Pro / G-Sync Compatible
G-Sync Compatible / FreeSync Premium Pro

HDR

Feature
LG UltraGear 45GX950A-B
Alienware AW3425DW
HDR Format
HDR10, DisplayHDR True Black 400
HDR10, DisplayHDR True Black 400
Peak Brightness (HDR)
1,300 nits30% more
1,000 nits

Connectivity

Feature
LG UltraGear 45GX950A-B
Alienware AW3425DW
HDMI Ports
2
2
DisplayPort
1
1
USB-C
Yes
Yes
Power Delivery
90 W500% more
15 W
USB Hub
Yes
Yes

Ergonomics

Feature
LG UltraGear 45GX950A-B
Alienware AW3425DW
Height Adjustment
Yes
Yes
VESA Mount
100 × 100 px
100 × 100 px
Built-in Speakers
Yes
N/A
Dimensions (without stand)
99.16 × 46.07 × 22.55 cm
N/A
Weight (without stand)
9.4 kg
N/A
Release Date
April 1, 2025
March 1, 2025

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 LG UltraGear 45GX950A-B vs Alienware AW3425DW comparison

They are closely matched: LG UltraGear 45GX950A-B scores 79/100 and Alienware AW3425DW scores 77/100 in our overall comparison — within 2 points. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.
LG UltraGear 45GX950A-B and Alienware AW3425DW 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 79/100 for LG UltraGear 45GX950A-B and 77/100 for Alienware AW3425DW.
It's close — LG UltraGear 45GX950A-B (79/100) and Alienware AW3425DW (77/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.

Which would you buy?

Cast your vote

Looking for alternatives?

  • LG UltraGear 45GX950A-B alternatives
  • Alienware AW3425DW alternatives

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© 2026 Let's Compare. All rights reserved.

A project by saygiselim.dev