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  1. Home
  2. /Monitors
  3. /LG UltraGear 32GX870B-B vs Alienware AW3423DWF

LG UltraGear 32GX870B-B vs Alienware AW3423DWF

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

For most buyers the LG UltraGear 32GX870B-B is the better pick — it scores 72/100 to the Alienware AW3423DWF's 40, leading on Image Quality and Performance. Choose the Alienware AW3423DWF instead if you want to spend less.

Verdict

Our overall take, at a glance

Key takeaways

  • LG UltraGear 32GX870B-B leads Alienware AW3423DWF overall by 32 points (72 vs 40 out of 100).
  • LG UltraGear 32GX870B-B stands out on Panel Resolution: 3840 × 2160 px, Panel Pixel Density: 140 (27% more), Panel Screen-to-body ratio: 93% (4% more).
LG UltraGear 32GX870B-B leads overall
LG UltraGear 32GX870B-B
72
Alienware AW3423DWF
40
Why it stands out
  • Panel Resolution: 3840 × 2160 px
  • Panel Pixel Density: 140 (27% more)
  • Panel Screen-to-body ratio: 93% (4% more)

Watch-outs

Compromises to know before you buy

LG UltraGear 32GX870B-B

No notable compromises found.

Alienware AW3423DWF

  • No USB-C — no single-cable laptop connection.

Strengths Profile

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

Winner by category for LG UltraGear 32GX870B-B vs Alienware AW3423DWF
CategoryLG UltraGear 32GX870B-BAlienware AW3423DWFWinner
Panel6058Tie
Image Quality5644LG UltraGear 32GX870B-B
Performance8614LG UltraGear 32GX870B-B
HDR8614LG UltraGear 32GX870B-B
Connectivity7435LG UltraGear 32GX870B-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 32GX870B-B

The LG UltraGear evo 32GX870B-B is a 32-inch OLED monitor engineered for immersive gaming performance. Designed for enthusiast PC and console gamers, it relies on OLED display technology to deliver high contrast and rapid motion response. It represents LG's high-end UltraGear gaming display category for demanding graphics workloads.

Best for Enthusiast gaming requiring deep contrast and fast visual responseBest for Dark-room gaming environments
Pros
  • 32-inch OLED display technology provides self-lit pixels and high contrast
  • Tailored specifically for high-performance gaming setups
Cons
  • OLED panel technology carries inherent risks of static image retention over time
Official
  • Official product pageProvided official product naming, 32-inch screen size, and OLED UltraGear branding

Generated Nov 4, 2026

Alienware AW3423DWF

The Alienware AW3423DWF is a 34-inch ultrawide gaming monitor that utilizes a first-generation QD-OLED panel to blend deep black levels with quantum dot color reproduction. Produced under Dell's premium gaming brand, this model introduces native FreeSync support and features intended to improve usability over its predecessor.

Best for Immersive gaming in dark or light-controlled environmentsBest for Gamers looking to share a single ultrawide screen with both PC and 4K-capable…
Pros
  • Combines self-emissive pixels for deep contrast with a wide quantum-dot color range
  • Console Mode downscales 4K signals at 60Hz to maintain high image compatibility with modern gaming consoles
  • Features a Picture-by-Picture mode and user-updatable firmware
Cons
  • Lacks a polarizing layer, which causes black levels to appear raised and grayed out in bright rooms
Source
  • Alienware - WikipediaProvides corporate context regarding Alienware's history as a dedicated gaming subsidiary of Dell.
Video — reviews used (2)

Provides detailed specifications, performance observations, and design features of the AW3423DWF QD-OLED monitor.

Generated Jun 30, 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 32GX870B-B

Check Price on Amazon

Alienware AW3423DWF

Check Price on Amazon

Physical Comparison

Weigh them up, then compare real dimensions in 3D

5.6 kg6.27 kg
LG UltraGear 32GX870B-BAlienware AW3423DWF

Alienware AW3423DWF is 0.67 kg (12%) heavier than LG UltraGear 32GX870B-B.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Panel

Feature
LG UltraGear 32GX870B-B
Alienware AW3423DWF
Screen Size
31.5 in
34 in8% more
Resolution
3840 × 2160 px
3440 × 1440 px
Panel Type
Aspect Ratio
16:9
21:9
Pixel Density
14027% more
110
Curved
No
Yes
Curvature radius
N/A
1,800 mm
Screen-to-body ratio
93%90%

Image Quality

Feature
LG UltraGear 32GX870B-B
Alienware AW3423DWF
Brightness (typical)
335 nits34% more
250 nits
Contrast Ratio
1850000:1
1000000:1
Color Gamut (DCI-P3)
99
99
Color Depth
10-bit
10-bit

Performance

Feature
LG UltraGear 32GX870B-B
Alienware AW3423DWF
Refresh Rate
480 Hz191% more
165 Hz
Response Time (GtG)
0.03 ms70% less
0.1 ms
Adaptive Sync
FreeSync Premium Pro / G-Sync Compatible
G-Sync Compatible / FreeSync Premium Pro

HDR

Feature
LG UltraGear 32GX870B-B
Alienware AW3423DWF
HDR Format
HDR10, DisplayHDR True Black 500
HDR400 True Black
Peak Brightness (HDR)
1,500 nits50% more
1,000 nits

Connectivity

Feature
LG UltraGear 32GX870B-B
Alienware AW3423DWF
HDMI Ports
2
2
DisplayPort
1
1
USB-C
Yes
No
Power Delivery
90 W
N/A
USB Hub
Yes
Yes

Ergonomics

Feature
LG UltraGear 32GX870B-B
Alienware AW3423DWF
Height Adjustment
Yes
Yes
VESA Mount
100 × 100 px
100 × 100 px
Built-in Speakers
Yes
No
Dimensions (without stand)
71.41 × 41.18 × 6.5 cm
81.53 × 36.32 × 12.7 cm
Weight (without stand)
5.6 kg
6.27 kg
Release Date
N/A
November 8, 2022

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 32GX870B-B vs Alienware AW3423DWF comparison

Based on our overall comparison score, LG UltraGear 32GX870B-B rates higher at 83/100 versus 68/100 for Alienware AW3423DWF — a 15-point lead. LG UltraGear 32GX870B-B 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.
LG UltraGear 32GX870B-B and Alienware AW3423DWF 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 83/100 for LG UltraGear 32GX870B-B and 68/100 for Alienware AW3423DWF.
If you want the higher-rated monitors option overall, LG UltraGear 32GX870B-B (83/100) edges out Alienware AW3423DWF (68/100). But if Alienware AW3423DWF 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?

Cast your vote

Looking for alternatives?

  • LG UltraGear 32GX870B-B alternatives
  • Alienware AW3423DWF alternatives

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