ASUS ROG Swift OLED PG34WCDN vs ASUS ROG Strix XG27UCG

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the ASUS ROG Swift OLED PG34WCDN is the better pick — it scores 69/100 to the ASUS ROG Strix XG27UCG's 46, leading on Panel and Performance. Choose the ASUS ROG Strix XG27UCG instead if image quality matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

ASUS ROG Swift OLED PG34WCDN leads overall

ASUS ROG Swift OLED PG34WCDN

ASUS ROG Strix XG27UCG

Why it stands out

Peak Brightness (HDR): 1,300 nits (225% more)
Connectivity HDMI Ports: 2 (100% more)
Connectivity Power Delivery: 90 W (500% more)

Winner by category for ASUS ROG Swift OLED PG34WCDN vs ASUS ROG Strix XG27UCG
Category	ASUS ROG Swift OLED PG34WCDN	ASUS ROG Strix XG27UCG	Winner
Panel	58	53	ASUS ROG Swift OLED PG34WCDN
Image Quality	52	57	ASUS ROG Strix XG27UCG
Performance	74	26	ASUS ROG Swift OLED PG34WCDN
HDR	86	14	ASUS ROG Swift OLED PG34WCDN
Connectivity	74	43	ASUS ROG Swift OLED PG34WCDN
Ergonomics	85	85	Tie

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

ASUS ROG Swift OLED PG34WCDN

The ASUS ROG Swift OLED PG34WCDN is a 34-inch curved ultrawide gaming monitor engineered for competitive esports and high-end gaming setups. It features a Tandem RGB QD-OLED panel with a 3440x1440 resolution, an 1800R curvature, and an ultra-fast 360Hz refresh rate. With high-bandwidth DisplayPort 2.1 UHBR 20 support and 90W USB-C power delivery, it caters to performance-focused users seeking fluid motion and modern connectivity.

Best for High-frame-rate competitive gaming on a curved ultrawide screenBest for Multi-system desk configurations that benefit from integrated KVM switching and

Pros

High 360Hz refresh rate combined with a 0.03ms response time for exceptionally fluid motion
Modern port selection featuring DisplayPort 2.1 with UHBR 20 and USB-C with 90W Power Delivery
Built-in KVM switch and multi-port USB hub simplify controlling multiple connected devices
Includes a 3-year warranty that explicitly covers OLED panel burn-in

Cons

Lacks integrated audio speakers, necessitating dedicated external speakers or headphones

ASUS ROG Strix XG27UCG

The ASUS ROG Strix XG27UCG is a 27-inch gaming monitor built around a Fast IPS panel featuring dual-mode display functionality. It offers users the flexibility to toggle between a 4K resolution at 160Hz for visual detail and a Full HD resolution at 320Hz for competitive fast-paced gameplay. Designed for versatile gaming setups, it incorporates wide color gamut support, versatile connectivity options, and a fully ergonomic stand.

Best for Esports players needing high-frame-rate 320Hz performance in fast-paced competitBest for Gamers wanting a single screen capable of high-density 4K resolution for cinemat

Pros

Dual-mode support allows seamless switching between 4K at 160Hz and FHD at 320Hz
Fast 1ms GTG response time coupled with ELMB Sync support for reduced motion blur
Comprehensive ergonomic stand with full height, swivel, pivot, tilt, and a built-in tripod socket

Cons

Peak brightness is limited to DisplayHDR 400, offering minimal true HDR depth
USB-C port only provides 15W Power Delivery, which is insufficient to power most laptops
Lacks built-in speakers

Value for Money

Which is the better deal for the price

Enter today's price for each product to see which offers better value. Use the same currency for both.

ASUS ROG Swift OLED PG34WCDN

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ASUS ROG Strix XG27UCG

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

ASUS ROG Swift OLED PG34WCDNASUS ROG Strix XG27UCG

ASUS ROG Swift OLED PG34WCDN is 1.8 kg (47%) heavier than ASUS ROG Strix XG27UCG.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	ASUS ROG Swift OLED PG34WCDN	ASUS ROG Strix XG27UCG
Screen Size	34 in26% more	27 in
Resolution	3440 × 1440 px	3840 × 2160 px
Panel Type
Aspect Ratio	21:9	16:9
Pixel Density	110	16348% more
Curved	Yes	No
Curvature radius	1,800 mm	N/A
Screen-to-body ratio	88%	89%

Image Quality

Feature	ASUS ROG Swift OLED PG34WCDN	ASUS ROG Strix XG27UCG
Brightness (typical)	N/A	350 nits
Contrast Ratio	1500000:1	1000:1
Color Gamut (DCI-P3)	994% more	95
Color Depth	10-bit	10-bit

Performance

Feature	ASUS ROG Swift OLED PG34WCDN	ASUS ROG Strix XG27UCG
Refresh Rate	360 Hz13% more	320 Hz
Response Time (GtG)	0.03 ms97% less	1 ms
Adaptive Sync	FreeSync Premium Pro / G-Sync Compatible	FreeSync Premium / G-Sync Compatible

HDR

Feature	ASUS ROG Swift OLED PG34WCDN	ASUS ROG Strix XG27UCG
HDR Format	HDR10, DisplayHDR True Black 500	HDR10, DisplayHDR 400
Peak Brightness (HDR)	1,300 nits225% more	400 nits

Connectivity

Feature	ASUS ROG Swift OLED PG34WCDN	ASUS ROG Strix XG27UCG
HDMI Ports	2100% more	1
DisplayPort	1	1
USB-C	Yes	Yes
Power Delivery	90 W500% more	15 W
USB Hub	Yes	N/A

Ergonomics

Feature	ASUS ROG Swift OLED PG34WCDN	ASUS ROG Strix XG27UCG
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	No	No
Dimensions (without stand)	81.28 × 37.33 × 10.79 cm	61.4 × 36.7 × 9.0 cm
Weight (without stand)	5.6 kg	3.8 kg
Release Date	N/A	N/A

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about ASUS ROG Swift OLED PG34WCDN vs ASUS ROG Strix XG27UCG comparison

Based on our overall comparison score, ASUS ROG Swift OLED PG34WCDN rates higher at 81/100 versus 63/100 for ASUS ROG Strix XG27UCG — a 18-point lead. ASUS ROG Swift OLED PG34WCDN is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.

ASUS ROG Swift OLED PG34WCDN and ASUS ROG Strix XG27UCG are compared side by side above across every spec in the monitors category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 81/100 for ASUS ROG Swift OLED PG34WCDN and 63/100 for ASUS ROG Strix XG27UCG.

If you want the higher-rated monitors option overall, ASUS ROG Swift OLED PG34WCDN (81/100) edges out ASUS ROG Strix XG27UCG (63/100). But if ASUS ROG Strix XG27UCG is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.