Dell Alienware AW3423DWF 34-inch QD-OLED vs LG UltraGear 27GP850-B 27-inch 1440p 180Hz (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Dell Alienware AW3423DWF 34-inch QD-OLED

9.4/10 Excellent

4.6★ (4,200 owners)

34" 21:9 QD-OLED 165Hz, 0.1ms, 99.3% DCI-P3, 1800R. Ultrawide QD-OLED gaming.

Full Review

LG UltraGear 27GP850-B 27-inch 1440p 180Hz

9.2/10 Excellent

4.7★ (8,400 owners)

27" 1440p Nano IPS 180Hz, 1ms, G-Sync + FreeSync, 98% DCI-P3, HDR. The 1440p sweet spot.

Full Review

At a Glance

	Dell Alienware AW3423DWF 34-inch QD-OLED	LG UltraGear 27GP850-B 27-inch 1440p 180Hz
247Verdict Score	9.4/10	9.2/10
Owner Rating	4.6★ (4,200)	4.7★ (8,400)
Verdict	Excellent	Excellent
Panel	QD-OLED	Nano IPS
Size	34" 21:9	27" 1440p
Refresh	165Hz	180Hz
Colour	99.3% DCI-P3	98% DCI-P3

Quick Verdict

Both are strong choices, but the Dell Alienware AW3423DWF 34-inch QD-OLED edges ahead with a 9.4/10 vs 9.2/10. 34" 21:9 QD-OLED 165Hz, 0.1ms, 99.3% DCI-P3, 1800R. Ultrawide QD-OLED gaming. That said, the LG UltraGear 27GP850-B 27-inch 1440p 180Hz is worth considering if 27" 1440p Nano IPS 180Hz, 1ms, G-Sync + FreeSync, 98% DCI-P3, HDR. The 1440p sweet spot. Check the current price on Amazon →

Pros & Cons Side by Side

Dell Alienware AW3423DWF 34-inch QD-OLED

QD-OLED panel delivers OLED blacks and Quantum Dot colour accuracy in ultrawide format
34-inch 21:9 ultrawide at QD-OLED quality — the best ultrawide gaming display available
0.1ms response time combines ultrawide immersion with OLED responsiveness
1800R curvature wraps the ultrawide display naturally around field of view
99.3% DCI-P3 serves professional creative work alongside gaming immersion

£750+ — QD-OLED ultrawide premium pricing
21:9 aspect ratio has game compatibility limitations for older titles
QD-OLED burn-in risk with static HUD elements over extended gaming periods

LG UltraGear 27GP850-B 27-inch 1440p 180Hz

Nano IPS achieves 98% DCI-P3 colour alongside 180Hz speed — colour and performance together
180Hz overclock provides extra smoothness over standard 165Hz panels
Both G-Sync Compatible and FreeSync Premium for any GPU brand
1ms GtG response with no significant ghosting
8,400 reviews at 4.7★ — the community's favourite 1440p gaming monitor

IPS contrast lower than VA or OLED for dark-scene atmosphere
HDR is HDR400 tier — not genuine HDR brightness
27-inch 1440p is the sweet spot but not the largest or sharpest option

FAQ

Which is better, Dell Alienware AW3423DWF 34-inch or LG UltraGear 27GP850-B 27-inch?

Is the Dell Alienware AW3423DWF 34-inch worth the extra cost?

Yes — Dell Alienware AW3423DWF 34-inch QD-OLED scores higher at 9.4/10 vs 9.2/10.

Who is the Dell Alienware AW3423DWF 34-inch best suited to?

34" 21:9 QD-OLED 165Hz, 0.1ms, 99.3% DCI-P3, 1800R. Ultrawide QD-OLED gaming.

Who is the LG UltraGear 27GP850-B 27-inch best suited to?

27" 1440p Nano IPS 180Hz, 1ms, G-Sync + FreeSync, 98% DCI-P3, HDR. The 1440p sweet spot.

What are the main downsides of each?

Dell Alienware AW3423DWF 34-inch QD-OLED: £750+ — QD-OLED ultrawide premium pricing; 21:9 aspect ratio has game compatibility limitations for older titles. LG UltraGear 27GP850-B 27-inch 1440p 180Hz: IPS contrast lower than VA or OLED for dark-scene atmosphere; HDR is HDR400 tier — not genuine HDR brightness.

Do owner ratings agree with our verdict?

Largely, yes — Dell Alienware AW3423DWF 34-inch QD-OLED sits at 4.6★ from 4,200 verified Amazon owners, and LG UltraGear 27GP850-B 27-inch 1440p 180Hz at 4.7★ from 8,400.

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