Acer Predator XB273U GX 27-inch 270Hz IPS 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.

Acer Predator XB273U GX 27-inch 270Hz IPS

9.0/10 Excellent

4.5★ (3,200 owners)

27" 1440p 270Hz IPS, 1ms, AGILE-Splendor IPS, G-Sync, built-in USB hub. Acer's high-refresh flagship.

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

	Acer Predator XB273U GX 27-inch 270Hz IPS	iiyama G-Master GB2770QSU 27-inch 165Hz QHD
247Verdict Score	9.0/10	8.9/10
Owner Rating	4.5★ (3,200)	4.5★ (3,600)
Verdict	Excellent	Great
Resolution	1440p	1440p
Refresh	270Hz	165Hz
Panel	AGILE-Splendor IPS	IPS
USB hub	4-port	2x USB-A

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Acer Predator XB273U GX 27-inch 270Hz IPS: 27" 1440p 270Hz IPS, 1ms, AGILE-Splendor IPS, G-Sync, built-in USB hub. Acer's high-refresh flagship. 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

Acer Predator XB273U GX 27-inch 270Hz IPS

270Hz at 1440p bridges the gap between 240Hz and 360Hz without OLED premium
AGILE-Splendor IPS delivers 98% DCI-P3 alongside high refresh rate
G-Sync certification with integrated module — full variable refresh support
Built-in 4-port USB hub reduces cable clutter on gaming desks
Acer's value positioning delivers 270Hz 1440p below ASUS ROG and Dell Alienware equivalents

270Hz is incremental over 240Hz — noticeable only at very high skill levels
G-Sync adds cost premium over FreeSync alternatives for same visual result
Acer brand less prestigious than ASUS ROG or Alienware in premium gaming gear community

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, Acer Predator XB273U GX 27-inch or iiyama G-Master GB2770QSU 27-inch?

Is the Acer Predator XB273U GX 27-inch worth the extra cost?

Yes — Acer Predator XB273U GX 27-inch 270Hz IPS scores higher at 9.0/10 vs 8.9/10.

Who is the Acer Predator XB273U GX 27-inch best suited to?

27" 1440p 270Hz IPS, 1ms, AGILE-Splendor IPS, G-Sync, built-in USB hub. Acer's high-refresh flagship.

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?

Acer Predator XB273U GX 27-inch 270Hz IPS: 270Hz is incremental over 240Hz — noticeable only at very high skill levels; G-Sync adds cost premium over FreeSync alternatives for same visual result. 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 — Acer Predator XB273U GX 27-inch 270Hz IPS sits at 4.5★ from 3,200 verified Amazon owners, and iiyama G-Master GB2770QSU 27-inch 165Hz QHD at 4.5★ from 3,600.

As an Amazon Associate we earn from qualifying purchases. Links below are affiliate links.