Comparison between:
- 24.5" Asus ROG Strix OLED XG259QDNS Ace
- 26.5" Asus ROG Strix OLED XG27AQDMES
Brand, series, model
Information about the brand, series, model and model aliases.
| Asus ROG Strix OLED XG259QDNS Ace | Asus ROG Strix OLED XG27AQDMES | |
| Series | - | ROG Strix |
![]() | ![]() | |
| Model year | 2026 | 2025 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 24.5 in | 26.5 in |
| Diagonal | 622.3 mm 62.23 cm 24.5 in 2.0417 ft | 678.2 mm 67.82 cm 26.7008 in 2.2251 ft |
| Width | 542.381 mm 54.2381 cm 21.3536 in 1.7795 ft | 590.42 mm 59.042 cm 23.2449 in 1.9371 ft |
| Height | 305.09 mm 30.509 cm 12.0114 in 1.001 ft | 333.72 mm 33.372 cm 13.1386 in 1.0949 ft |
| Panel manufacturer | Samsung Display | Samsung |
| Panel type | QD-OLED | QD-OLED |
| Panel bit depth | 10 bits | 10 bits |
| FRC | No | No |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1920 x 1080 pixels Full HD / 1080p | 2560 x 1440 pixels Quad HD (QHD) / 1440p |
| Pixel pitch | 0.283 mm 0.0283 cm 0.0111 in 0.0009 ft | 0.229 mm 0.0229 cm 0.009 in 0.0008 ft |
| Pixel density | 90 ppi 35 ppcm | 110 ppi 43 ppcm |
| Display area | - | 87.16 % |
| DCI P3 | 99 % | 99 % |
| Brightness | - | 200 cd/m² |
| Peak brightness | 1800 cd/m² | 400 cd/m² |
| Static contrast | - | 1500000 : 1 |
| HDR | HDR10 VESA DisplayHDR 600 True Black | HDR10 |
| Horizontal viewing angle | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° |
| Minimum response time | 0.03 ms 0.0000 s | 0.03 ms 0.0000 s |
| Coating | Anti-glare/Matte (3H) | - |
| 5th Gen QD-OLED V-Stripe (RGB Stripe) sub-pixel layout BlackShield Film AGLR | 3rd Gen Edge QD-OLED display EL Gen 2 (EL 2.0) emissive material Triangular RGB sub-pixel layout with quadrilateral-shaped sub-pixels |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | - | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | - | 30 kHz - 410 kHz |
| Vertical frequency (digital) | 48 Hz - 360 Hz | 48 Hz - 240 Hz |
| - | DisplayPort - 410 kHz - 410 kHz; 48 Hz - 240 Hz HDMI - 30 kHz - 410 kHz; 48 Hz - 240 Hz |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 110 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Power consumption (off) | 0.3 W | 0.3 W |
| Power consumption (sleep) | - | 0.5 W |
| Power consumption (average) | - | 25 W |
| Gallium Nitride Field-Effect Transistor (GaNFET) technology | - |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | - | 611 mm 61.1 cm 24.0551 in 2.0046 ft |
| Height | - | 370 mm 37 cm 14.5669 in 1.2139 ft |
| Depth | - | 69 mm 6.9 cm 2.7165 in 0.2264 ft |
| Weight | - | 4.9 kg 10.8 lbs |
| Width with stand | - | 611 mm 61.1 cm 24.0551 in 2.0046 ft |
| Height with stand | - | 393 mm 39.3 cm 15.4724 in 1.2894 ft |
| Depth with stand | - | 188 mm 18.8 cm 7.4016 in 0.6168 ft |
| Weight with stand | - | 6.8 kg 14.99 lbs |
| Box width | - | 780 mm 78 cm 30.7087 in 2.5591 ft |
| Box height | - | 470 mm 47 cm 18.5039 in 1.542 ft |
| Box depth | - | 186 mm 18.6 cm 7.3228 in 0.6102 ft |
| Box weight | - | 8.9 kg 19.62 lbs |
| Stand depth | - | 188 mm 18.8 cm 7.4016 in 0.6168 ft |
| Colors | - | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes |
| Height adjustment | Yes | Yes |
| Height adjustment range | 155 mm 15.5 cm 6.1024 in 0.5085 ft | 110 mm 11 cm 4.3307 in 0.3609 ft |
| Landscape/portrait pivot | Yes | Yes |
| Left pivot | 90 ° | 90 ° |
| Right pivot | 90 ° | 90 ° |
| Left/right swivel | Yes | Yes |
| Left swivel | 45 ° | 45 ° |
| Right swivel | 45 ° | 45 ° |
| Forward/backward tilt | Yes | Yes |
| Forward tilt | 5 ° | 5 ° |
| Backward tilt | 33 ° | 20 ° |
| Stand base with integrated measurement scales | 1/4" Tripod Socket |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | - | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 2 x HDMI 2.1 1 x DisplayPort 1.4 (DSC) | 2 x HDMI 2.1 (FRL) 1 x DisplayPort 1.4 (DSC) 1 x 3.5 mm Audio Out |
| - | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | AI Crosshair AI Shadow Boost AI Sniper AI Visual AMD FreeSync Premium Pro Aspect Ratio Control Asus DisplayWidget Center Asus OLED Care Pro Asus Power Sync Boundary Detection Clear Pixel Edge Custom Heatsink Delta E < 2 Esports Color (3 modes) Extreme Low Motion Blur (ELMB) Gamma Adjustment GameFast Input GamePlus GameVisual Global Dimming Control Logo Brightness Adjustment Low Blue Light Luminance Compensation Algorithm Multiple HDR Mode Neo Proximity Sensor NVIDIA G-Sync Compatible Outer Dimming Control Pixel Cleaning Quick OSD Refresh Rate Cap Screen Move Screen Saver Target Mode Taskbar Detection Trace Free Technology | 6-axis Color Adjustment AI Visual Asus Aura Sync Lighting Asus DisplayWidget Center Asus OLED Care Pro AMD FreeSync Premium Aspect Control Asus Power Sync Clear Pixel Edge Color Temperature Selection Customized heatsink Dynamic Crosshair Dynamic Shadow Boost Extreme Low Motion Blur (ELMB) Gamma Adjustment GameFast Input GamePlus (Crosshair / Timer / Stopwatch / FPS Counter / Display Alignment) GameVisual Intelligent voltage optimization Low Blue Light Neo Proximity Sensor NVIDIA G-Sync Compatible OLED Anti-flicker technology Quantum Dot Color ROG Gaming A.I. Trace Free Technology Uniform Brightness VESA AdaptiveSync Display 240 Hz |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | - | TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified (Hardware Solution) |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | - | 0 °C - 40 °C 32 °F - 104 °F |
| Storage temperature | - | -20 °C - 60 °C -4 °F - 140 °F |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | - | DisplayPort cable HDMI cable Microfiber cloth ROG pouch ROG sticker |
Additional features
Information about other features.
| Additional features | - | Anti-theft stand lock slot - Kensington |
| Asus ROG Strix OLED XG259QDNS Ace | Asus ROG Strix OLED XG27AQDMES |

