They are closely matched: ASUS ROG Swift OLED PG34WCDN scores 80/100 and ASUS ROG Swift OLED PG27UCWM scores 78/100 in our overall comparison — within 2 points. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.
ASUS ROG Swift OLED PG34WCDN vs ASUS ROG Swift OLED PG27UCWM
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 65/100 to the ASUS ROG Swift OLED PG27UCWM's 50, leading on Panel and Performance. Choose the ASUS ROG Swift OLED PG27UCWM instead if image quality matters most to you, where it comes out ahead.
Verdict
Our overall take, at a glance
Key takeaways
- ASUS ROG Swift OLED PG34WCDN leads ASUS ROG Swift OLED PG27UCWM overall by 15 points (65 vs 50 out of 100).
- ASUS ROG Swift OLED PG34WCDN stands out on Panel Screen Size: 34 in (28% more), Panel Screen-to-body ratio: 87.6% (1% more), Performance Refresh Rate: 360 Hz (50% more).
ASUS ROG Swift OLED PG34WCDN leads overall
ASUS ROG Swift OLED PG34WCDN
65
ASUS ROG Swift OLED PG27UCWM
50
Why it stands out
- Panel Screen Size: 34 in (28% more)
- Panel Screen-to-body ratio: 87.6% (1% more)
- Performance Refresh Rate: 360 Hz (50% more)
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 Swift OLED PG27UCWM
The ASUS ROG Swift OLED (modeled as the PG27UCDM) is a premium 27-inch gaming monitor designed for enthusiasts and competitive players who demand both high visual fidelity and top-tier motion clarity. It features a 240Hz OLED panel displaying a 4K resolution, offering a sharp pixel density alongside the rapid refresh rates typical of high-end gaming displays. This screen leverages self-emissive pixels to deliver deep blacks and exceptional contrast.
Best for Competitive multiplayer gaming requiring rapid motion response and high frame…Best for Immersive HDR gaming and high-fidelity media consumption in low-light settings
Pros
- Extremely fast response times that virtually eliminate motion blur in fast-paced games
- High-density 4K resolution combined with a fluid 240Hz refresh rate
- Excellent HDR performance powered by per-pixel dimming and high peak contrast
Cons
- Inherent risk of permanent image retention and burn-in associated with OLED panels
- Subpixel layout configuration that can compromise text clarity and sharpness during desktop productivity tasks
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
ASUS ROG Swift OLED PG34WCDN
ASUS ROG Swift OLED PG27UCWM
Physical Comparison
Weigh them up, then compare real dimensions in 3D
ASUS ROG Swift OLED PG34WCDNASUS ROG Swift OLED PG27UCWM
ASUS ROG Swift OLED PG34WCDN is 0.2 kg (4%) heavier than ASUS ROG Swift OLED PG27UCWM.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about ASUS ROG Swift OLED PG34WCDN vs ASUS ROG Swift OLED PG27UCWM comparison
ASUS ROG Swift OLED PG34WCDN and ASUS ROG Swift OLED PG27UCWM 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 80/100 for ASUS ROG Swift OLED PG34WCDN and 78/100 for ASUS ROG Swift OLED PG27UCWM.
It's close — ASUS ROG Swift OLED PG34WCDN (80/100) and ASUS ROG Swift OLED PG27UCWM (78/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.
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