ASUS ROG Swift OLED PG27AQDM 27-inch 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 OLED PG27AQDM 27-inch

9.4/10 Excellent

4.6★ (2,800 owners)

27" 1440p OLED 240Hz, 0.03ms, custom heatsink, anti-glare, 99% DCI-P3. The 27-inch 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 OLED PG27AQDM 27-inch	iiyama G-Master GB2770QSU 27-inch 165Hz QHD
247Verdict Score	9.4/10	8.9/10
Owner Rating	4.6★ (2,800)	4.5★ (3,600)
Verdict	Excellent	Great
Panel	OLED	IPS
Refresh	240Hz	165Hz

Quick Verdict

Both are strong choices, but the ASUS ROG Swift OLED PG27AQDM 27-inch edges ahead with a 9.4/10 vs 8.9/10. 27" 1440p OLED 240Hz, 0.03ms, custom heatsink, anti-glare, 99% DCI-P3. The 27-inch 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 OLED PG27AQDM 27-inch

27-inch 1440p OLED 240Hz combines the sweet-spot size and resolution with OLED infinite contrast
Custom heatsink and graphene film reduce OLED burn-in risk significantly
0.03ms response — the fastest panel technology for competitive gaming
Anti-glare coating reduces reflections while preserving OLED depth
99% DCI-P3 serves creative work alongside the best gaming experience

£900+ OLED pricing
OLED burn-in caution still required with static elements
240Hz at 1440p OLED needs a capable GPU

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 OLED PG27AQDM or iiyama G-Master GB2770QSU 27-inch?

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

Yes — ASUS ROG Swift OLED PG27AQDM 27-inch scores higher at 9.4/10 vs 8.9/10.

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

27" 1440p OLED 240Hz, 0.03ms, custom heatsink, anti-glare, 99% DCI-P3. The 27-inch 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 OLED PG27AQDM 27-inch: £900+ OLED pricing; OLED burn-in caution still required with static elements. 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 OLED PG27AQDM 27-inch sits at 4.6★ from 2,800 verified Amazon owners, and iiyama G-Master GB2770QSU 27-inch 165Hz QHD at 4.5★ from 3,600.

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