They are closely matched: ASUS ROG Swift OLED PG34WCDN scores 80/100 and LG UltraGear 39GX950B 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 LG UltraGear 39GX950B
Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score
For most buyers the LG UltraGear 39GX950B is the better pick — it scores 64/100 to the ASUS ROG Swift OLED PG34WCDN's 52, leading on Panel and Image Quality. Choose the ASUS ROG Swift OLED PG34WCDN instead if performance matters most to you, where it comes out ahead.
Verdict
Our overall take, at a glance
Key takeaways
- LG UltraGear 39GX950B leads ASUS ROG Swift OLED PG34WCDN overall by 12 points (64 vs 52 out of 100).
- LG UltraGear 39GX950B stands out on Panel Screen Size: 39 in (15% more), Panel Resolution: 5120 × 2160 px, Panel Pixel Density: 143 (30% more).
LG UltraGear 39GX950B leads overall
LG UltraGear 39GX950B
64
ASUS ROG Swift OLED PG34WCDN
52
Why it stands out
- Panel Screen Size: 39 in (15% more)
- Panel Resolution: 5120 × 2160 px
- Panel Pixel Density: 143 (30% 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
LG UltraGear 39GX950B
The LG UltraGear 39GX950B is a 39-inch curved OLED monitor designed for gamers and power users wanting an expansive, high-resolution canvas. It features a 5120 x 2160 resolution on an ultrawide 21:9 panel, coupled with a tight 1500R curvature for wrap-around immersion. The display delivers an ultra-fast 165Hz refresh rate alongside modern connectivity, including a 90W USB-C power delivery port.
Best for Ultrawide PC gaming demanding high refresh rates, low latency, and adaptive…Best for Single-cable workstation setups that require robust laptop charging alongside…
Pros
- Extremely rapid 0.03ms response time that virtually eliminates ghosting and motion blur
- High pixel density of 143 PPI offers sharp text and detailed graphics
- Versatile USB-C port with 90W power delivery for clutter-free laptop integration
- Excellent color performance with 99% DCI-P3 coverage and infinite OLED contrast ratios
Cons
- Typical SDR brightness is capped at 335 nits, which may feel dim in highly illuminated spaces
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
LG UltraGear 39GX950B
Physical Comparison
Weigh them up, then compare real dimensions in 3D
ASUS ROG Swift OLED PG34WCDNLG UltraGear 39GX950B
LG UltraGear 39GX950B is 1.2 kg (21%) heavier than ASUS ROG Swift OLED PG34WCDN.
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 LG UltraGear 39GX950B comparison
ASUS ROG Swift OLED PG34WCDN and LG UltraGear 39GX950B 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 LG UltraGear 39GX950B.
It's close — ASUS ROG Swift OLED PG34WCDN (80/100) and LG UltraGear 39GX950B (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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