Corsair XENEON 34QHD165 Ultrawide Monitor vs LG UltraGear 27" OLED 360Hz Monitor (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 34QHD165 Ultrawide Monitor

9.0/10 Excellent

4.4★ (2,400 owners)

34" 21:9 1440p 165Hz IPS, 1ms, USB-C 65W, HDR600, Corsair iCUE. Corsair ecosystem ultrawide.

Full Review

LG UltraGear 27" OLED 360Hz Monitor

9.4/10 Excellent

4.5★ (2,800 owners)

27" QD-OLED 360Hz, 0.03ms. The maximum refresh rate OLED.

Full Review

At a Glance

	Corsair XENEON 34QHD165 Ultrawide Monitor	LG UltraGear 27" OLED 360Hz Monitor
247Verdict Score	9.0/10	9.4/10
Owner Rating	4.4★ (2,400)	4.5★ (2,800)
Verdict	Excellent	Excellent
Resolution	3440×1440	1440p
Refresh	165Hz	360Hz

Quick Verdict

Both are strong choices, but the LG UltraGear 27" OLED 360Hz Monitor edges ahead with a 9.4/10 vs 9.0/10. 27" QD-OLED 360Hz, 0.03ms. The maximum refresh rate OLED. That said, the Corsair XENEON 34QHD165 Ultrawide Monitor is worth considering if 34" 21:9 1440p 165Hz IPS, 1ms, USB-C 65W, HDR600, Corsair iCUE. Corsair ecosystem ultrawide. Check the current price on Amazon →

Pros & Cons Side by Side

Corsair XENEON 34QHD165 Ultrawide Monitor

34-inch 21:9 delivers ultrawide immersion at lower cost than OLED ultrawide alternatives
USB-C 65W charges a laptop from the monitor with single-cable setup
HDR600 is mid-tier real HDR — better than HDR400 but below Mini-LED alternatives
Corsair iCUE RGB syncs with keyboards, mouse and PC case for coordinated lighting
165Hz at WQHD 3440×1440 for competitive play on the ultrawide format

IPS panel at 21:9 — less contrast than VA or OLED for atmospheric gaming
Corsair iCUE software has occasional stability issues
34-inch requires minimum 80cm desk depth for comfortable viewing

LG UltraGear 27" OLED 360Hz Monitor

360Hz OLED — highest refresh available
QD-OLED enhances colour volume
0.03ms eliminates motion blur
Dual HDMI 2.1
FreeSync + G-Sync Compatible

Needs RTX 4080+ for 360Hz
OLED burn-in risk
Premium pricing

FAQ

Which is better, Corsair XENEON 34QHD165 or LG UltraGear 27" OLED 360Hz?

Is the Corsair XENEON 34QHD165 worth the extra cost?

The LG UltraGear 27" OLED 360Hz Monitor matches or exceeds it at a potentially lower price point.

Who is the Corsair XENEON 34QHD165 best suited to?

34" 21:9 1440p 165Hz IPS, 1ms, USB-C 65W, HDR600, Corsair iCUE. Corsair ecosystem ultrawide.

Who is the LG UltraGear 27" OLED 360Hz best suited to?

27" QD-OLED 360Hz, 0.03ms. The maximum refresh rate OLED.

What are the main downsides of each?

Corsair XENEON 34QHD165 Ultrawide Monitor: IPS panel at 21:9 — less contrast than VA or OLED for atmospheric gaming; Corsair iCUE software has occasional stability issues. LG UltraGear 27" OLED 360Hz Monitor: Needs RTX 4080+ for 360Hz; OLED burn-in risk.

Do owner ratings agree with our verdict?

Largely, yes — Corsair XENEON 34QHD165 Ultrawide Monitor sits at 4.4★ from 2,400 verified Amazon owners, and LG UltraGear 27" OLED 360Hz Monitor at 4.5★ from 2,800.

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