AOC AGON AG275QXN 27-inch 1440p 165Hz VA 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.

AOC AGON AG275QXN 27-inch 1440p 165Hz VA

9.0/10 Excellent

4.5★ (3,600 owners)

27" 1440p 165Hz VA, 1ms MPRT, Shadow Control, G-Sync Compatible. Best VA contrast at 1440p.

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

	AOC AGON AG275QXN 27-inch 1440p 165Hz VA	iiyama G-Master GB2770QSU 27-inch 165Hz QHD
247Verdict Score	9.0/10	8.9/10
Owner Rating	4.5★ (3,600)	4.5★ (3,600)
Verdict	Excellent	Great
Panel	VA 3000:1 contrast	IPS
Resolution	1440p	1440p
Refresh	165Hz	165Hz
Price	Under £250	Under £250

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. AOC AGON AG275QXN 27-inch 1440p 165Hz VA: 27" 1440p 165Hz VA, 1ms MPRT, Shadow Control, G-Sync Compatible. Best VA contrast at 1440p. iiyama G-Master GB2770QSU 27-inch 165Hz QHD: 27" 1440p 165Hz IPS, 1ms, FreeSync, USB hub, 100W USB-C. Underrated 1440p value monitor. Choose based on your specific needs. Check the current price on Amazon →

Pros & Cons Side by Side

AOC AGON AG275QXN 27-inch 1440p 165Hz VA

VA panel 3000:1 contrast delivers deeper blacks than any IPS at this price — atmospheric games shine
165Hz at 1440p balances visual quality and performance for mid-range GPUs
Shadow Control brightens dark corners without blowing out highlights — useful in FPS games
G-Sync Compatible and FreeSync Premium Pro for both GPU brands
Under £250 — best-value 1440p 165Hz VA monitor available

VA response time smearing visible in very fast motion at sub-60fps
Less colour accuracy than IPS at 85% DCI-P3 vs IPS 95-99%
Backlight bleed from VA construction visible on full black screens

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, AOC AGON AG275QXN 27-inch 1440p or iiyama G-Master GB2770QSU 27-inch?

Is the AOC AGON AG275QXN 27-inch 1440p worth the extra cost?

Yes — AOC AGON AG275QXN 27-inch 1440p 165Hz VA scores higher at 9.0/10 vs 8.9/10.

Who is the AOC AGON AG275QXN 27-inch 1440p best suited to?

27" 1440p 165Hz VA, 1ms MPRT, Shadow Control, G-Sync Compatible. Best VA contrast at 1440p.

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?

AOC AGON AG275QXN 27-inch 1440p 165Hz VA: VA response time smearing visible in very fast motion at sub-60fps; Less colour accuracy than IPS at 85% DCI-P3 vs IPS 95-99%. 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 — AOC AGON AG275QXN 27-inch 1440p 165Hz VA sits at 4.5★ from 3,600 verified Amazon owners, and iiyama G-Master GB2770QSU 27-inch 165Hz QHD at 4.5★ from 3,600.

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