LG UltraGear 45GX950A-B vs LG UltraGear 27GS75Q-B

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 82/100 to the LG UltraGear 27GS75Q-B's 45, leading on Panel and Image Quality. Choose the LG UltraGear 27GS75Q-B instead if you want to spend less.

Verdict

Our overall take, at a glance

LG UltraGear 45GX950A-B leads overall

LG UltraGear 45GX950A-B

LG UltraGear 27GS75Q-B

Why it stands out

Performance Response Time (GtG): 0.03 ms (97% less)
Performance Refresh Rate: 330 Hz (65% more)
Panel Screen Size: 44.5 in (65% more)

Watch-outs

Compromises to know before you buy

LG UltraGear 45GX950A-B

No notable compromises found.

LG UltraGear 27GS75Q-B

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

Winner by category for LG UltraGear 45GX950A-B vs LG UltraGear 27GS75Q-B
Category	LG UltraGear 45GX950A-B	LG UltraGear 27GS75Q-B	Winner
Panel	71	51	LG UltraGear 45GX950A-B
Image Quality	91	54	LG UltraGear 45GX950A-B
Performance	80	20	LG UltraGear 45GX950A-B
HDR	100	0	LG UltraGear 45GX950A-B
Connectivity	74	35	LG UltraGear 45GX950A-B
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

LG UltraGear 27GS75Q-B

The LG UltraGear 27GS75Q-B is a 27-inch gaming monitor designed for desktop gamers seeking a balance of crisp resolution and fluid motion. Positioning itself within LG's UltraGear performance lineup, it targets PC players who prioritize fast response times and clear visuals in fast-paced titles. Its conventional 27-inch form factor fits easily onto most gaming and productivity desk setups.

Best for 1440p PC gaming setups focused on smooth performanceBest for Mixed-use desktop setups requiring fluid motion for games and work

Pros

27-inch display size delivers sharp image clarity and comfortable pixel density
Tailored for high-frame-rate gaming with fast response capabilities
Versatile desktop footprint suitable for both gaming and daily work

Cons

Standard LCD panel contrast can lead to elevated black levels in dim lighting
Lacks advanced local dimming or OLED technology for true HDR contrast

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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LG UltraGear 27GS75Q-B

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

LG UltraGear 45GX950A-BLG UltraGear 27GS75Q-B

LG UltraGear 45GX950A-B is 5.3 kg (129%) heavier than LG UltraGear 27GS75Q-B.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	LG UltraGear 45GX950A-B	LG UltraGear 27GS75Q-B
Screen Size	44.5 in65% more	27 in
Resolution	5120 × 2160 px	2560 × 1440 px
Panel Type
Aspect Ratio	21:9	16:9
Pixel Density	12515% more	109
Curved	Yes	No
Curvature radius	800 mm	N/A
Screen-to-body ratio	100%	88%

Image Quality

Feature	LG UltraGear 45GX950A-B	LG UltraGear 27GS75Q-B
Brightness (typical)	275 nits	300 nits9% more
Contrast Ratio	1500000:1	1000:1
Color Gamut (DCI-P3)	98	N/A
Color Depth	10-bit	8-bit

Performance

Feature	LG UltraGear 45GX950A-B	LG UltraGear 27GS75Q-B
Refresh Rate	330 Hz65% more	200 Hz
Response Time (GtG)	0.03 ms97% less	1 ms
Adaptive Sync	FreeSync Premium Pro / G-Sync Compatible	FreeSync / G-Sync Compatible

HDR

Feature	LG UltraGear 45GX950A-B	LG UltraGear 27GS75Q-B
HDR Format	HDR10, DisplayHDR True Black 400	HDR10
Peak Brightness (HDR)	1,300 nits	N/A

Connectivity

Feature	LG UltraGear 45GX950A-B	LG UltraGear 27GS75Q-B
HDMI Ports	2	2
DisplayPort	1	1
USB-C	Yes	No
Power Delivery	90 W	N/A
USB Hub	Yes	N/A

Ergonomics

Feature	LG UltraGear 45GX950A-B	LG UltraGear 27GS75Q-B
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	61.35 × 37.16 × 5.13 cm
Weight (without stand)	9.4 kg	4.1 kg
Release Date	April 1, 2025	N/A

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 LG UltraGear 27GS75Q-B comparison

Based on our overall comparison score, LG UltraGear 45GX950A-B rates higher at 82/100 versus 60/100 for LG UltraGear 27GS75Q-B — a 22-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 LG UltraGear 27GS75Q-B 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 82/100 for LG UltraGear 45GX950A-B and 60/100 for LG UltraGear 27GS75Q-B.

If you want the higher-rated monitors option overall, LG UltraGear 45GX950A-B (82/100) edges out LG UltraGear 27GS75Q-B (60/100). But if LG UltraGear 27GS75Q-B 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.