iiyama G-Master GB2770QSU 27-inch 165Hz QHD vs MSI MAG 321URX 32-inch 4K OLED 240Hz (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

MSI MAG 321URX 32-inch 4K OLED 240Hz

9.4/10 Excellent

4.6★ (2,200 owners)

32" 4K QD-OLED 240Hz, 0.03ms, 99% DCI-P3, anti-glare. MSI 4K OLED flagship.

Full Review

At a Glance

	iiyama G-Master GB2770QSU 27-inch 165Hz QHD	MSI MAG 321URX 32-inch 4K OLED 240Hz
247Verdict Score	8.9/10	9.4/10
Owner Rating	4.5★ (3,600)	4.6★ (2,200)
Verdict	Great	Excellent
Refresh	165Hz	240Hz
Panel	IPS	QD-OLED

Quick Verdict

Both are strong choices, but the MSI MAG 321URX 32-inch 4K OLED 240Hz edges ahead with a 9.4/10 vs 8.9/10. 32" 4K QD-OLED 240Hz, 0.03ms, 99% DCI-P3, anti-glare. MSI 4K OLED flagship. 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

MSI MAG 321URX 32-inch 4K OLED 240Hz

32-inch 4K QD-OLED 240Hz — combines resolution, size and panel technology at a lower price than ASUS ROG equivalent
QD-OLED infinite contrast with 4K pixel density is the most immersive gaming experience available at 32-inch
Anti-glare coating reduces reflections without compromising QD-OLED colour depth
0.03ms response matches the fastest OLED alternatives
99% DCI-P3 serves professional creative work alongside gaming

£1,000+ — 4K OLED pricing tier
QD-OLED burn-in risk with static elements over extended periods
4K 240Hz requires RTX 4090 to push maximum refresh in demanding titles

FAQ

Which is better, iiyama G-Master GB2770QSU 27-inch or MSI MAG 321URX 32-inch 4K OLED?

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

The MSI MAG 321URX 32-inch 4K OLED 240Hz 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 MSI MAG 321URX 32-inch 4K OLED best suited to?

32" 4K QD-OLED 240Hz, 0.03ms, 99% DCI-P3, anti-glare. MSI 4K OLED flagship.

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. MSI MAG 321URX 32-inch 4K OLED 240Hz: £1,000+ — 4K OLED pricing tier; QD-OLED burn-in risk with static elements over extended periods.

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 MSI MAG 321URX 32-inch 4K OLED 240Hz at 4.6★ from 2,200.

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