iiyama G-Master GB2770QSU 27-inch 165Hz QHD 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.

iiyama G-Master GB2770QSU 27-inch 165Hz QHD

8.9/10 Great

4.5★ (3,600 owners)

27" 1440p 165Hz IPS, 1ms, FreeSync, USB hub, 100W USB-C. Underrated 1440p value monitor.

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

	iiyama G-Master GB2770QSU 27-inch 165Hz QHD	LG UltraGear 27" OLED 360Hz Monitor
247Verdict Score	8.9/10	9.4/10
Owner Rating	4.5★ (3,600)	4.5★ (2,800)
Verdict	Great	Excellent
Resolution	1440p	1440p
Refresh	165Hz	360Hz
Panel	IPS	QD-OLED

Quick Verdict

Both are strong choices, but the LG UltraGear 27" OLED 360Hz Monitor edges ahead with a 9.4/10 vs 8.9/10. 27" QD-OLED 360Hz, 0.03ms. The maximum refresh rate OLED. That said, the iiyama G-Master GB2770QSU 27-inch 165Hz QHD is worth considering if 27" 1440p 165Hz IPS, 1ms, FreeSync, USB hub, 100W USB-C. Underrated 1440p value monitor. Check the current price on Amazon →

Pros & Cons Side by Side

iiyama G-Master GB2770QSU 27-inch 165Hz QHD

100W USB-C charges and connects a laptop with one cable — the highest USB-C wattage in budget gaming monitors
USB hub with 2x USB-A passes through from USB-C connection — desk tidy organisation
1440p 165Hz IPS at under £250 — competitive with LG UltraGear at lower pricing
iiyama's 30-year professional monitor heritage — OEM supplier to major display brands
FreeSync Premium for tear-free AMD GPU gaming

iiyama brand less recognised than LG or Samsung in consumer gaming market
Lower peak brightness than premium alternatives for HDR content
Limited HDR400 tier — not genuine HDR performance

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, iiyama G-Master GB2770QSU 27-inch or LG UltraGear 27" OLED 360Hz?

Is the iiyama G-Master GB2770QSU 27-inch worth the extra cost?

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

Who is the iiyama G-Master GB2770QSU 27-inch best suited to?

27" 1440p 165Hz IPS, 1ms, FreeSync, USB hub, 100W USB-C. Underrated 1440p value monitor.

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?

iiyama G-Master GB2770QSU 27-inch 165Hz QHD: iiyama brand less recognised than LG or Samsung in consumer gaming market; Lower peak brightness than premium alternatives for HDR content. LG UltraGear 27" OLED 360Hz Monitor: Needs RTX 4080+ for 360Hz; OLED burn-in risk.

Do owner ratings agree with our verdict?

Largely, yes — iiyama G-Master GB2770QSU 27-inch 165Hz QHD sits at 4.5★ from 3,600 verified Amazon owners, and LG UltraGear 27" OLED 360Hz Monitor at 4.5★ from 2,800.

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