LG UltraGear 45GX950A-B vs MSI MPG 271QRX QD-OLED

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

For most buyers the MSI MPG 271QRX QD-OLED is the better pick — it scores 60/100 to the LG UltraGear 45GX950A-B's 57, leading on Image Quality and Performance. Choose the LG UltraGear 45GX950A-B instead if panel and hdr matter most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

MSI MPG 271QRX QD-OLED and LG UltraGear 45GX950A-B are closely matched

MSI MPG 271QRX QD-OLED

LG UltraGear 45GX950A-B

Where MSI MPG 271QRX QD-OLED stands out

Image Quality Color Gamut (DCI-P3): 99 (1% more)
Performance Refresh Rate: 360 Hz (9% more)

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)

Winner by category for LG UltraGear 45GX950A-B vs MSI MPG 271QRX QD-OLED
Category	MSI MPG 271QRX QD-OLED	LG UltraGear 45GX950A-B	Winner
Panel	49	80	LG UltraGear 45GX950A-B
Image Quality	74	26	MSI MPG 271QRX QD-OLED
Performance	63	37	MSI MPG 271QRX QD-OLED
HDR	14	86	LG UltraGear 45GX950A-B
Connectivity	59	59	Tie
Ergonomics	85	85	Tie

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

MSI MPG 271QRX QD-OLED

The MSI MPG 271QRX QD-OLED is a 27-inch high-performance gaming monitor utilizing Quantum Dot OLED panel technology. Designed primarily for competitive gamers and visual enthusiasts, it pairs fast pixel response times with deep contrast and rich color saturation. It targets users seeking high-framerate gameplay alongside dynamic visual quality.

Best for Competitive esports gaming where motion clarity and high refresh rates are critiBest for Immersive HDR gaming and high-contrast media viewing in controlled lighting envi

Pros

QD-OLED display panel offers exceptional contrast ratios and near-instantaneous response times
Wide color gamut performance suitable for vivid gaming visuals and HDR content
High refresh rate capability tailored for fast-paced competitive titles

Cons

OLED panel technology requires active care to mitigate potential long-term image retention or burn-in
High price point compared to conventional LCD gaming monitors

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

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MSI MPG 271QRX QD-OLED

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

LG UltraGear 45GX950A-B

9.4kg

Weight

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	LG UltraGear 45GX950A-B	MSI MPG 271QRX QD-OLED
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	No
Curvature radius	800 mm	N/A
Screen-to-body ratio	100%	89%

Image Quality

Feature	LG UltraGear 45GX950A-B	MSI MPG 271QRX QD-OLED
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	MSI MPG 271QRX QD-OLED
Refresh Rate	330 Hz	360 Hz9% more
Response Time (GtG)	0.03 ms	0.03 ms
Adaptive Sync	FreeSync Premium Pro / G-Sync Compatible	FreeSync Premium Pro / G-Sync Compatible

HDR

Feature	LG UltraGear 45GX950A-B	MSI MPG 271QRX QD-OLED
HDR Format	HDR10, DisplayHDR True Black 400	DisplayHDR True Black 400
Peak Brightness (HDR)	1,300 nits30% more	1,000 nits

Connectivity

Feature	LG UltraGear 45GX950A-B	MSI MPG 271QRX QD-OLED
HDMI Ports	2	2
DisplayPort	1	1
USB-C	Yes	Yes
Power Delivery	90 W	90 W
USB Hub	Yes	Yes

Ergonomics

Feature	LG UltraGear 45GX950A-B	MSI MPG 271QRX QD-OLED
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	61 × 35.6 × 6.9 cm
Weight (without stand)	9.4 kg	N/A
Release Date	April 1, 2025	January 1, 2024

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 MSI MPG 271QRX QD-OLED comparison

Based on our overall comparison score, LG UltraGear 45GX950A-B rates higher at 79/100 versus 74/100 for MSI MPG 271QRX QD-OLED — a 5-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 MSI MPG 271QRX QD-OLED 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 74/100 for MSI MPG 271QRX QD-OLED.

If you want the higher-rated monitors option overall, LG UltraGear 45GX950A-B (79/100) edges out MSI MPG 271QRX QD-OLED (74/100). But if MSI MPG 271QRX QD-OLED 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.