iiyama G-Master GB2770QSU 27-inch 165Hz QHD vs INNOCN 27M2V 27-inch 4K OLED 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

INNOCN 27M2V 27-inch 4K OLED Monitor

9.0/10 Excellent

4.4★ (2,400 owners)

27" 4K OLED 144Hz, 0.03ms, 99% DCI-P3, USB-C 90W, KVM. Most affordable 4K OLED gaming monitor.

Full Review

At a Glance

	iiyama G-Master GB2770QSU 27-inch 165Hz QHD	INNOCN 27M2V 27-inch 4K OLED Monitor
247Verdict Score	8.9/10	9.0/10
Owner Rating	4.5★ (3,600)	4.4★ (2,400)
Verdict	Great	Excellent
Refresh	165Hz	144Hz
USB-C	100W (highest budget)	90W charging
Panel	IPS	4K OLED

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. iiyama G-Master GB2770QSU 27-inch 165Hz QHD: 27" 1440p 165Hz IPS, 1ms, FreeSync, USB hub, 100W USB-C. Underrated 1440p value monitor. INNOCN 27M2V 27-inch 4K OLED Monitor: 27" 4K OLED 144Hz, 0.03ms, 99% DCI-P3, USB-C 90W, KVM. Most affordable 4K OLED gaming monitor. Choose based on your specific needs. 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

INNOCN 27M2V 27-inch 4K OLED Monitor

4K OLED at the most affordable price point available — significantly cheaper than Dell Alienware and ASUS ROG equivalents
0.03ms OLED response time matches premium alternatives at lower cost
99% DCI-P3 colour accuracy serves professional creative work alongside gaming
USB-C 90W charging powers a laptop from a single cable
KVM switch enables two computers on one screen — gaming PC and work laptop

INNOCN is a newer brand — less established warranty and service network than Dell or ASUS
2,400 reviews is fewer than established alternatives — less community validation
4K OLED burn-in risk with static UI elements requires screen saver habits

FAQ

Which is better, iiyama G-Master GB2770QSU 27-inch or INNOCN 27M2V 27-inch 4K OLED?

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

The INNOCN 27M2V 27-inch 4K OLED 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 INNOCN 27M2V 27-inch 4K OLED best suited to?

27" 4K OLED 144Hz, 0.03ms, 99% DCI-P3, USB-C 90W, KVM. Most affordable 4K OLED gaming monitor.

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. INNOCN 27M2V 27-inch 4K OLED Monitor: INNOCN is a newer brand — less established warranty and service network than Dell or ASUS; 2,400 reviews is fewer than established alternatives — less community validation.

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 INNOCN 27M2V 27-inch 4K OLED Monitor at 4.4★ from 2,400.

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