Corsair Xeneon 27QHD240 OLED Gaming Monitor vs LG UltraGear 27GQ75B-B 27-inch 1440p 165Hz (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Corsair Xeneon 27QHD240 OLED Gaming Monitor

9.3/10 Excellent

4.5★ (2,200 owners)

27" 1440p QD-OLED 240Hz, 0.03ms, USB-C 90W, 3-year burn-in warranty. The QD-OLED with warranty.

Full Review

LG UltraGear 27GQ75B-B 27-inch 1440p 165Hz

8.9/10 Great

4.5★ (5,600 owners)

27" 1440p 165Hz IPS, 1ms, HDMI 2.0, FreeSync, anti-glare. Best-value 1440p 165Hz gaming.

Full Review

At a Glance

	Corsair Xeneon 27QHD240 OLED Gaming Monitor	LG UltraGear 27GQ75B-B 27-inch 1440p 165Hz
247Verdict Score	9.3/10	8.9/10
Owner Rating	4.5★ (2,200)	4.5★ (5,600)
Verdict	Excellent	Great
Panel	QD-OLED	IPS
Refresh	240Hz	165Hz
Response	0.03ms	1ms

Quick Verdict

Both are strong choices, but the Corsair Xeneon 27QHD240 OLED Gaming Monitor edges ahead with a 9.3/10 vs 8.9/10. 27" 1440p QD-OLED 240Hz, 0.03ms, USB-C 90W, 3-year burn-in warranty. The QD-OLED with warranty. That said, the LG UltraGear 27GQ75B-B 27-inch 1440p 165Hz is worth considering if 27" 1440p 165Hz IPS, 1ms, HDMI 2.0, FreeSync, anti-glare. Best-value 1440p 165Hz gaming. Check the current price on Amazon →

Pros & Cons Side by Side

Corsair Xeneon 27QHD240 OLED Gaming Monitor

QD-OLED panel delivers infinite contrast and vivid quantum dot colour at 27-inch 1440p
3-year burn-in warranty — among the most reassuring OLED warranty coverage available
240Hz with 0.03ms response for competitive and immersive gaming
USB-C 90W charges a laptop and connects peripherals through one cable
Corsair ecosystem integration with iCUE software

£900+ QD-OLED pricing
OLED burn-in caution still applies despite the warranty
Corsair monitor range less established than its peripherals

LG UltraGear 27GQ75B-B 27-inch 1440p 165Hz

Under £200 — most affordable 27-inch 1440p 165Hz IPS gaming monitor reviewed
1ms GtG response competitive with premium alternatives at fraction of the cost
Anti-glare coating reduces reflections for versatile room placement
FreeSync Premium for tear-free gaming on AMD GPUs
LG's display engineering at the most accessible gaming monitor price point

HDMI 2.0 (not 2.1) — limits 1440p 165Hz to DisplayPort connection for full refresh
HDR400 is minimum tier — not genuine HDR performance
Fewer features than LG 27GP850B-B at the same brand but lower price tier

FAQ

Which is better, Corsair Xeneon 27QHD240 OLED or LG UltraGear 27GQ75B-B 27-inch?

Is the Corsair Xeneon 27QHD240 OLED worth the extra cost?

Yes — Corsair Xeneon 27QHD240 OLED Gaming Monitor scores higher at 9.3/10 vs 8.9/10.

Who is the Corsair Xeneon 27QHD240 OLED best suited to?

27" 1440p QD-OLED 240Hz, 0.03ms, USB-C 90W, 3-year burn-in warranty. The QD-OLED with warranty.

Who is the LG UltraGear 27GQ75B-B 27-inch best suited to?

27" 1440p 165Hz IPS, 1ms, HDMI 2.0, FreeSync, anti-glare. Best-value 1440p 165Hz gaming.

What are the main downsides of each?

Corsair Xeneon 27QHD240 OLED Gaming Monitor: £900+ QD-OLED pricing; OLED burn-in caution still applies despite the warranty. LG UltraGear 27GQ75B-B 27-inch 1440p 165Hz: HDMI 2.0 (not 2.1) — limits 1440p 165Hz to DisplayPort connection for full refresh; HDR400 is minimum tier — not genuine HDR performance.

Do owner ratings agree with our verdict?

Largely, yes — Corsair Xeneon 27QHD240 OLED Gaming Monitor sits at 4.5★ from 2,200 verified Amazon owners, and LG UltraGear 27GQ75B-B 27-inch 1440p 165Hz at 4.5★ from 5,600.

As an Amazon Associate we earn from qualifying purchases. Links below are affiliate links.