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  1. Home
  2. /Monitors
  3. /LG UltraGear 45GX950A-B vs ASUS ROG Strix OLED XG27AQWMG

LG UltraGear 45GX950A-B vs ASUS ROG Strix OLED XG27AQWMG

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

The LG UltraGear 45GX950A-B and ASUS ROG Strix OLED XG27AQWMG are closely matched at 59 and 59/100. The LG UltraGear 45GX950A-B edges ahead on Panel and Performance, while the ASUS ROG Strix OLED XG27AQWMG leads on Image Quality and HDR — pick the one whose strengths match what you'll actually use.

Verdict

Our overall take, at a glance

Key takeaways

  • LG UltraGear 45GX950A-B and ASUS ROG Strix OLED XG27AQWMG are closely matched overall (within 1 points).
  • LG UltraGear 45GX950A-B stands out on Panel Screen Size: 44.5 in (68% more), Panel Resolution: 5120 × 2160 px, Panel Pixel Density: 125 (13% more).
  • ASUS ROG Strix OLED XG27AQWMG counters with Image Quality Color Gamut (DCI-P3): 99 (1% more), Peak Brightness (HDR): 1,500 nits (15% more).
LG UltraGear 45GX950A-B and ASUS ROG Strix OLED XG27AQWMG are closely matched
LG UltraGear 45GX950A-B
59
ASUS ROG Strix OLED XG27AQWMG
59
Where LG UltraGear 45GX950A-B stands out
  • Panel Screen Size: 44.5 in (68% more)
  • Panel Resolution: 5120 × 2160 px
  • Panel Pixel Density: 125 (13% more)
Where ASUS ROG Strix OLED XG27AQWMG stands out
  • Image Quality Color Gamut (DCI-P3): 99 (1% more)
  • Peak Brightness (HDR): 1,500 nits (15% more)

Watch-outs

Compromises to know before you buy

LG UltraGear 45GX950A-B

No notable compromises found.

ASUS ROG Strix OLED XG27AQWMG

  • 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 45GX950A-B vs ASUS ROG Strix OLED XG27AQWMG
CategoryASUS ROG Strix OLED XG27AQWMGLG UltraGear 45GX950A-BWinner
Panel4684LG UltraGear 45GX950A-B
Image Quality8628ASUS ROG Strix OLED XG27AQWMG
Performance3763LG UltraGear 45GX950A-B
HDR8614ASUS ROG Strix OLED XG27AQWMG
Connectivity3574LG 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

ASUS ROG Strix OLED XG27AQWMG

The ASUS ROG Strix OLED XG27AQWMG is a 27-inch 1440p gaming monitor utilizing a glossy Tandem WOLED panel designed for high-performance visual playback and fast-paced gaming. Targeted at competitive gamers and display enthusiasts, it offers a 280Hz refresh rate alongside a peak HDR brightness rating of 1,500 cd/m² and 99.5% DCI-P3 color coverage. It also includes VRR support via Adaptive-Sync and G-SYNC compatibility.

Best for Competitive 1440p PC gaming requiring high frame rates and swift response timesBest for HDR gaming and media consumption in dark or light-controlled environments
Pros
  • High 280Hz refresh rate paired with low motion blur technology
  • Glossy Tandem WOLED panel delivering deep contrast and 1,500 cd/m² peak HDR brightness
  • Extensive 99.5% DCI-P3 color space coverage
  • Includes a 3-year warranty that explicitly covers panel burn-in
Cons
  • Stand adjustment is limited to tilt only without built-in height or swivel options
  • Lacks a USB-C port for single-cable display and laptop charging
Official
  • Official product pageProvided official specifications including panel type, refresh rate, brightness rating, I/O ports, mechanical dimensions, and warranty coverage.

Generated Nov 4, 2026

Value for Money

Which is the better deal for the price

Enter today's price for each product to see which offers better value. Use the same currency for both.

LG UltraGear 45GX950A-B

Check Price on Amazon

ASUS ROG Strix OLED XG27AQWMG

Check Price on Amazon

Physical Comparison

Weigh them up, then compare real dimensions in 3D

9.4 kg4.8 kg
LG UltraGear 45GX950A-BASUS ROG Strix OLED XG27AQWMG

LG UltraGear 45GX950A-B is 4.6 kg (96%) heavier than ASUS ROG Strix OLED XG27AQWMG.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature
LG UltraGear 45GX950A-B
ASUS ROG Strix OLED XG27AQWMG
Screen Size
44.5 in68% more
26.5 in
Resolution
5120 × 2160 px
2560 × 1440 px
Panel Type
Aspect Ratio
21:9
16:9
Pixel Density
12513% more
111
Curved
Yes
N/A
Curvature radius
800 mm
N/A
Screen-to-body ratio
100%87%

Image Quality

Feature
LG UltraGear 45GX950A-B
ASUS ROG Strix OLED XG27AQWMG
Brightness (typical)
275 nits
N/A
Contrast Ratio
1500000:1
1500000:1
Color Gamut (DCI-P3)
98
99
Color Depth
10-bit
10-bit

Performance

Feature
LG UltraGear 45GX950A-B
ASUS ROG Strix OLED XG27AQWMG
Refresh Rate
330 Hz18% more
280 Hz
Response Time (GtG)
0.03 ms
0.03 ms
Adaptive Sync
FreeSync Premium Pro / G-Sync Compatible
Adaptive-Sync / G-Sync Compatible

HDR

Feature
LG UltraGear 45GX950A-B
ASUS ROG Strix OLED XG27AQWMG
HDR Format
HDR10, DisplayHDR True Black 400
HDR10, DisplayHDR True Black 500
Peak Brightness (HDR)
1,300 nits
1,500 nits15% more

Connectivity

Feature
LG UltraGear 45GX950A-B
ASUS ROG Strix OLED XG27AQWMG
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 45GX950A-B
ASUS ROG Strix OLED XG27AQWMG
Height Adjustment
Yes
Yes
VESA Mount
100 × 100 px
100 × 100 px
Built-in Speakers
Yes
No
Dimensions (without stand)
99.16 × 46.07 × 22.55 cm
60.5 × 36.8 × 6.3 cm
Weight (without stand)
9.4 kg
4.8 kg
Release Date
April 1, 2025
November 7, 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 ASUS ROG Strix OLED XG27AQWMG comparison

Based on our overall comparison score, LG UltraGear 45GX950A-B rates higher at 79/100 versus 72/100 for ASUS ROG Strix OLED XG27AQWMG — a 7-point lead. LG UltraGear 45GX950A-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 45GX950A-B and ASUS ROG Strix OLED XG27AQWMG 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 72/100 for ASUS ROG Strix OLED XG27AQWMG.
If you want the higher-rated monitors option overall, LG UltraGear 45GX950A-B (79/100) edges out ASUS ROG Strix OLED XG27AQWMG (72/100). But if ASUS ROG Strix OLED XG27AQWMG 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 45GX950A-B alternatives
  • ASUS ROG Strix OLED XG27AQWMG alternatives

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