ASUS ROG Strix OLED XG259QWPG Ace vs ASUS ROG Strix OLED XG27AQDMG Gen2

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

Verdict

ASUS ROG Strix OLED XG259QWPG Ace leads overall

ASUS ROG Strix OLED XG259QWPG Ace · 82 overall, #5 of 81

ASUS ROG Strix OLED XG27AQDMG Gen2 · 77 overall, #16 of 81

Key differences

Refresh RateASUS ROG Strix OLED XG259QWPG Ace 540 vs 240 Hz
Response TimeASUS ROG Strix OLED XG259QWPG Ace 0.02 vs 0.03 ms
ResolutionASUS ROG Strix OLED XG27AQDMG Gen2 2560 × 1440 vs 1920 × 1080 px
Peak BrightnessASUS ROG Strix OLED XG259QWPG Ace 400 nits brighter

Scores by Category

ROG Strix OLED XG259QWPG Ace wins 2 of 6 categories · ROG Strix OLED XG27AQDMG Gen2 wins 1

Category	ROG Strix OLED XG259QWPG AceROG Strix OLED XG27AQDMG Gen2	Lead
Performance		+44
Image Quality		Tie
Panel		+3
Connectivity		Tie
Ergonomics		Tie
HDR		+24

Physical Comparison

ROG Strix OLED XG259QWPG AceROG Strix OLED XG27AQDMG Gen2

ROG Strix OLED XG27AQDMG Gen2 is 1.6 kg (50%) heavier than ROG Strix OLED XG259QWPG Ace.

Value for Money

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

ROG Strix OLED XG259QWPG Ace

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ROG Strix OLED XG27AQDMG Gen2

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Detailed Specifications

Panel

Feature	ROG Strix OLED XG259QWPG Ace	ROG Strix OLED XG27AQDMG Gen2
Screen Size	24.5 in	26.5 in8% more
Resolution	1920 × 1080 px	2560 × 1440 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	N/A	N/A
Curved	N/A	N/A
Screen-to-body ratio	84%	87%

Image Quality

Feature	ROG Strix OLED XG259QWPG Ace	ROG Strix OLED XG27AQDMG Gen2
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 Strix OLED XG259QWPG Ace	ROG Strix OLED XG27AQDMG Gen2
Refresh Rate	540 Hz125% more	240 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 Strix OLED XG259QWPG Ace	ROG Strix OLED XG27AQDMG Gen2
HDR Format	N/A	HDR10, DisplayHDR True Black 400
Peak Brightness (HDR)	1,700 nits31% more	1,300 nits

Connectivity

Feature	ROG Strix OLED XG259QWPG Ace	ROG Strix OLED XG27AQDMG Gen2
HDMI Ports	2	2
DisplayPort	1	1
USB-C	N/A	N/A
USB Hub	Yes	Yes

Ergonomics

Feature	ROG Strix OLED XG259QWPG Ace	ROG Strix OLED XG27AQDMG Gen2
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 mm	100 × 100 mm
Built-in Speakers	N/A	No
Dimensions (without stand)	56.5 × 34.8 × 6.5 cm	60.5 × 36.8 × 6.3 cm
Weight (without stand)	3.2 kg	4.8 kg
Release Date	October 28, 2026	March 11, 2026

Specification Note

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