ASUS ROG Swift PG27AQDM OLED Monitor vs iiyama G-Master GB2770QSU 27-inch 165Hz QHD (2026)

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

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

ASUS ROG Swift PG27AQDM OLED Monitor

9.3/10 Excellent

4.6★ (3,800 owners)

27" 1440p 240Hz OLED, 0.03ms, micro-texture coating, ROG Aura sync. ASUS's flagship OLED.

Full Review

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

At a Glance

	ASUS ROG Swift PG27AQDM OLED Monitor	iiyama G-Master GB2770QSU 27-inch 165Hz QHD
247Verdict Score	9.3/10	8.9/10
Owner Rating	4.6★ (3,800)	4.5★ (3,600)
Verdict	Excellent	Great
Panel	OLED	IPS
Resolution	1440p	1440p
Refresh	240Hz	165Hz

Quick Verdict

Both are strong choices, but the ASUS ROG Swift PG27AQDM OLED Monitor edges ahead with a 9.3/10 vs 8.9/10. 27" 1440p 240Hz OLED, 0.03ms, micro-texture coating, ROG Aura sync. ASUS's flagship 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

ASUS ROG Swift PG27AQDM OLED Monitor

OLED panel delivers true blacks and infinite contrast at 240Hz
Micro-texture coating reduces reflections without degrading the OLED image quality
ROG Aura Sync ties monitor RGB to PC case, keyboard and mouse lighting
0.03ms response time eliminates all motion blur at any frame rate
ASUS ROG brand's extensive gaming peripheral ecosystem

£650+ — premium OLED pricing in line with Alienware AW2725DF
240Hz trails the AW2725DF's 360Hz for the most competitive players
Micro-texture coating slightly reduces peak brightness vs glossy OLED alternatives

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

FAQ

Which is better, ASUS ROG Swift PG27AQDM OLED or iiyama G-Master GB2770QSU 27-inch?

Is the ASUS ROG Swift PG27AQDM OLED worth the extra cost?

Yes — ASUS ROG Swift PG27AQDM OLED Monitor scores higher at 9.3/10 vs 8.9/10.

Who is the ASUS ROG Swift PG27AQDM OLED best suited to?

27" 1440p 240Hz OLED, 0.03ms, micro-texture coating, ROG Aura sync. ASUS's flagship OLED.

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.

What are the main downsides of each?

ASUS ROG Swift PG27AQDM OLED Monitor: £650+ — premium OLED pricing in line with Alienware AW2725DF; 240Hz trails the AW2725DF's 360Hz for the most competitive players. 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.

Do owner ratings agree with our verdict?

Largely, yes — ASUS ROG Swift PG27AQDM OLED Monitor sits at 4.6★ from 3,800 verified Amazon owners, and iiyama G-Master GB2770QSU 27-inch 165Hz QHD at 4.5★ from 3,600.

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