They are closely matched: ASUS ROG Swift OLED PG27UCDM scores 80/100 and ASUS ROG Swift OLED PG34WCDN scores 80/100 in our overall comparison — within 1 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 PG27UCDM vs ASUS ROG Swift OLED PG34WCDN
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 PG27UCDM's 49, leading on Panel and Performance. Choose the ASUS ROG Swift OLED PG27UCDM instead if you want to spend less.
Verdict
Our overall take, at a glance
Key takeaways
- ASUS ROG Swift OLED PG34WCDN leads ASUS ROG Swift OLED PG27UCDM overall by 16 points (65 vs 49 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% (2% 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 PG27UCDM
49
Why it stands out
- Panel Screen Size: 34 in (28% more)
- Panel Screen-to-body ratio: 87.6% (2% 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 PG27UCDM
The ASUS ROG Swift OLED PG27UCDM is a premium 27-inch gaming monitor that pairs a 4K resolution QD-OLED panel with a fast 240Hz refresh rate. Designed for gamers and desktop users seeking a more compact alternative to 32-inch displays, it offers some of the highest pixel density currently available in the QD-OLED market.
Best for Users who prioritize maximum text sharpness and pixel density on a smaller…Best for High-end gaming setups requiring a combination of 4K detail and fast 240Hz…
Pros
- Excellent text clarity and image sharpness due to the high pixel density of a 4K resolution on a 27-inch screen
- Extremely fluid motion performance powered by the 240Hz refresh rate and quick OLED response times
- Vibrant color output and outstanding contrast with deep, true blacks
Cons
- Susceptibility to variable refresh rate (VRR) flickering in some situations
- Inherent long-term risk of burn-in associated with organic light-emitting diode panels
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
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 PG27UCDM
ASUS ROG Swift OLED PG34WCDN
Physical Comparison
Weigh them up, then compare real dimensions in 3D
ASUS ROG Swift OLED PG27UCDMASUS ROG Swift OLED PG34WCDN
ASUS ROG Swift OLED PG34WCDN is 0.63 kg (13%) heavier than ASUS ROG Swift OLED PG27UCDM.
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 PG27UCDM vs ASUS ROG Swift OLED PG34WCDN comparison
ASUS ROG Swift OLED PG27UCDM and ASUS ROG Swift OLED PG34WCDN 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 PG27UCDM and 80/100 for ASUS ROG Swift OLED PG34WCDN.
It's close — ASUS ROG Swift OLED PG27UCDM (80/100) and ASUS ROG Swift OLED PG34WCDN (80/100) 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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