ASUS ROG Swift OLED PG259QWS Ace vs ASUS ROG Swift OLED PG34WCDN

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

Verdict

ASUS ROG Swift OLED PG259QWS Ace and ASUS ROG Swift OLED PG34WCDN are closely matched

ASUS ROG Swift OLED PG259QWS Ace · 83 overall, #2 of 81

ASUS ROG Swift OLED PG34WCDN · 82 overall, #5 of 81

Key differences

Refresh RateASUS ROG Swift OLED PG259QWS Ace 720 vs 360 Hz
Response TimeASUS ROG Swift OLED PG259QWS Ace 0.02 vs 0.03 ms
ResolutionASUS ROG Swift OLED PG34WCDN 3440 × 1440 vs 1920 × 1080 px
Screen SizeASUS ROG Swift OLED PG34WCDN 34 vs 24.5 in
Peak BrightnessASUS ROG Swift OLED PG259QWS Ace 400 nits brighter

Scores by Category

Evenly split — each wins 2 of 6 categories

Category	ROG Swift OLED PG259QWS AceROG Swift OLED PG34WCDN	Lead
Performance		+42
Image Quality		Tie
Panel		+27
Connectivity		+38
Ergonomics		Tie
HDR		+24

Physical Comparison

ROG Swift OLED PG259QWS AceROG Swift OLED PG34WCDN

ROG Swift OLED PG34WCDN is 2 kg (56%) heavier than ROG Swift OLED PG259QWS Ace.

Value for Money

Launch prices — enter today's prices (same currency for both).

ROG Swift OLED PG259QWS Ace

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ROG Swift OLED PG34WCDN

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Detailed Specifications

Panel

Feature	ROG Swift OLED PG259QWS Ace	ROG Swift OLED PG34WCDN
Screen Size	24.5 in	34 in39% more
Resolution	1920 × 1080 px	3440 × 1440 px
Panel Type
Aspect Ratio	16:9	21:9
Pixel Density	N/A	110
Curved	N/A	Yes
Curvature radius	N/A	1,800 mm
Screen-to-body ratio	84%	88%

Image Quality

Feature	ROG Swift OLED PG259QWS Ace	ROG Swift OLED PG34WCDN
Brightness (typical)	390 nits	N/A
Contrast Ratio	1500000:1	1500000:1
Color Gamut (DCI-P3)	N/A	99
Color Depth	10-bit	10-bit

Performance

Feature	ROG Swift OLED PG259QWS Ace	ROG Swift OLED PG34WCDN
Refresh Rate	720 Hz100% more	360 Hz
Response Time (GtG)	0.02 ms33% less	0.03 ms
Adaptive Sync	FreeSync Premium / G-Sync Compatible	FreeSync Premium Pro / G-Sync Compatible

HDR

Feature	ROG Swift OLED PG259QWS Ace	ROG Swift OLED PG34WCDN
HDR Format	N/A	HDR10, DisplayHDR True Black 500
Peak Brightness (HDR)	1,700 nits31% more	1,300 nits

Connectivity

Feature	ROG Swift OLED PG259QWS Ace	ROG Swift OLED PG34WCDN
HDMI Ports	2	2
DisplayPort	N/A	1
USB-C	N/A	Yes
Power Delivery	N/A	90 W
USB Hub	Yes	Yes

Ergonomics

Feature	ROG Swift OLED PG259QWS Ace	ROG Swift OLED PG34WCDN
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 mm	100 × 100 px
Built-in Speakers	N/A	No
Dimensions (without stand)	56.6 × 35.0 × 6.0 cm	81.28 × 37.33 × 10.79 cm
Weight (without stand)	3.6 kg	5.6 kg
Release Date	October 28, 2026	January 4, 2026

Specification Note

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