MONITOR COMPARISON · UPDATED NOVEMBER 2026
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GIGABYTE G27Q26 vs ASUS ROG Strix OLED XG27AQDMES Comparison
IPS 275Hz
Gigabyte
7.8
/10
275 HzRefresh Rate
YesAMD FreeSync
IPSPanel Type
Edge LEDBacklight Type
OLED 240Hz
Asus
ASUS ROG Strix OLED XG27AQDMES
8.4
/10
240 HzRefresh Rate
YesAMD FreeSync
QD-OLEDPanel Type
Self-emissiveBacklight Type
Overview
Brightness and black levels collide in the Gigabyte G27Q26 vs Asus ROG Strix OLED XG27AQDMES. The Gigabyte is a 27-inch IPS panel at 2560 x 1440 running up to 275 Hz overclocked with 400 nits and 1300:1 contrast, while the Asus is a 26.5-inch QD-OLED at 240 Hz with 200 nits typical (400 peak), 1,500,000:1 contrast and 0.03 ms response. The Asus adds a pivot stand with 110 mm of height adjustment, 2 x HDMI 2.1 and 99% DCI-P3. The G27Q26 weighs 5.8 kg, the Asus 6.8 kg, and neither has speakers.
Full Specification Comparison
| Specification | ||
|---|---|---|
| Overview | ||
| Rating | 7.8 / 10 | 8.4 / 10 |
| Brand | Gigabyte | Asus |
| Category | Monitor | Monitor |
| Model Information | ||
| Brand | Gigabyte | ASUS |
| Series | -- | ROG Strix |
| Model | G27Q26 | ROG Strix OLED XG27AQDMES |
| Full Product Name | Gigabyte G27Q26 | ASUS ROG Strix OLED XG27AQDMES |
| Model Year | 2026 | 2025 |
| Monitor Type | Gaming Monitor | Gaming Monitor |
| Monitor Category | Gaming Monitor | -- |
| Market Position | Mainstream Gaming | Upper-Mid to High-End Gaming |
| Primary Use | Everyday & Competitive Gaming | Competitive & Immersive Gaming |
| Region / Variant | Not specified | -- |
| Launch Status | Model year 2026 | 2025 |
| Available Colors | Black | Black |
| Warranty | 3 years | 3 years (36 months) standard limited warranty from date of purchase |
| Panel Warranty | -- | 3 years |
| Burn-In Warranty | Not applicable (non-OLED panel) | 3 years (36 months) OLED panel burn-in coverage on most models |
| Display & Panel | ||
| Screen Size | 27 in (inches) | 26.5 in |
| Exact Diagonal | 684.667 mm (millimeters) / 68.4667 cm (centimeters) / 26.9554 in (inches) / 2.2463 ft (feet) | 678.2 mm (26.70 in) |
| Screen Format | 16:9 | -- |
| Aspect Ratio | 1.778:1 / 16:9 | 16:9 |
| Active Display Width | 596.736 mm (millimeters) / 59.6736 cm (centimeters) / 23.4935 in (inches) / 1.9578 ft (feet) | 590.42 mm (23.24 in) |
| Active Display Height | 335.664 mm (millimeters) / 33.5664 cm (centimeters) / 13.2151 in (inches) / 1.1013 ft (feet) | 333.72 mm (13.14 in) |
| Display Area | 89.19 % (percent) | 87.16 % (percent) |
| Panel Type? | IPS | QD-OLED (Samsung) |
| Panel Technology | IPS | OLED |
| Panel Manufacturer | -- | Samsung |
| OLED Technology | -- | QD-OLED |
| Backlight Type? | Edge LED | Self-emissive (no backlight — OLED) |
| Self-Emissive Display | -- | Yes |
| Quantum Dot | -- | Yes |
| 3D Support | No | No |
| Screen Coating | Anti-glare / Matte | -- |
| Resolution & Pixel Details | ||
| Native Resolution | 2560 x 1440 pixels / Quad HD (QHD) / 1440p | 2560 x 1440 pixels / Quad HD (QHD) / 1440p |
| Pixel Density | 109 ppi (pixels per inch) / 42 ppcm (pixels per centimeter) | 110 ppi / 43 ppcm |
| Pixel Pitch | 0.233 mm (millimeters) / 0.0233 cm (centimeters) / 0.0092 in (inches) / 0.0008 ft (feet) | 0.229 mm (millimeters) |
| Picture Quality & Color | ||
| Panel Bit Depth | 10 bits (8 bits + FRC) | 10 bits |
| FRC | Yes | No |
| Display Colors | 1073741824 colors / 30 bits | 1073741824 colors / 30 bits |
| Typical Brightness | 400 cd / m² (candela per square meter) | 200 cd/m² |
| Peak Brightness | 500 cd / m² (candela per square meter) | 400 cd/m² |
| Static Contrast Ratio | 1300 : 1 | 1500000 : 1 |
| Horizontal Viewing Angle | 178 ° (degrees) | 178 ° |
| Vertical Viewing Angle | 178 ° (degrees) | 178 ° |
| HDR Support? | HDR10 | HDR10 / Display / HDR 400 True Black |
| HDR10? | Yes | Yes |
| sRGB Coverage | 125 % (percent) | -- |
| DCI-P3 Coverage | 95 % (percent) | 99% |
| Gamma Adjustment | -- | Yes |
| Color Adjustment | -- | Yes |
| Refresh Rate, Response & Gaming | ||
| Native Refresh Rate | 275 Hz | 240 Hz |
| Refresh Rate Range | 48 Hz - 275 Hz (hertz) / Native - 260 Hz / Overclock - 275 Hz | 48 Hz - 240 Hz |
| Minimum Response Time | 1 ms (milliseconds) / 0.0010 s (seconds) | 0.03 ms |
| AMD FreeSync? | Yes | Premium |
| NVIDIA G-Sync? | Yes | Compatible |
| Motion Blur Reduction | -- | ELMB |
| Black Equalizer | Yes | -- |
| Shadow Boost | -- | Yes |
| Crosshair | Yes | Yes |
| Dynamic Crosshair | -- | Yes |
| FPS Counter | -- | Yes |
| AI Gaming Features | -- | Yes |
| GameFast Input | -- | Yes |
| GameVisual | -- | Yes |
| Picture-by-Picture | Yes | -- |
| Picture-in-Picture | Yes | -- |
| Ports & Connectivity | ||
| HDMI Ports | 2 | 2 |
| HDMI Version | 2.1 | 2.1 |
| HDMI Bandwidth | 30 k Hz - 470 k Hz (kilohertz) | 30 k Hz - 410 k Hz |
| HDMI FRL | -- | Yes |
| DisplayPort Input | 1 | 1 |
| DisplayPort Version | 1.4 | 1.4 |
| Display Stream Compression | Yes | Yes |
| HDCP Support | -- | Yes |
| Audio Output | 3.5 mm | 3.5 mm |
| Headphone Output | 3.5 mm Audio Out | 3.5 mm Audio Out |
| Audio, Camera, Network & Smart Features | ||
| Built-In Camera | No | No |
| Ergonomics & Stand | ||
| VESA Mount | Yes | 100 x 100 mm |
| VESA Size | 100 x 100 mm | 100 x 100 mm |
| Removable Stand | Yes | Yes |
| Height Adjustment | Yes | 110 mm |
| Height Adjustment Range | 130 mm (millimeters) / 13 cm (centimeters) / 5.1181 in (inches) / 0.4265 ft (feet) | 110 mm (4.33 in) |
| Tilt Adjustment | Yes | Yes |
| Forward Tilt | 5 ° (degrees) | 5 ° |
| Backward Tilt | 20 ° (degrees) | 20 ° / 1 / 4" Tripod Socket |
| Swivel Adjustment | Yes | Yes |
| Left Swivel | 160 ° (degrees) | 45 ° |
| Right Swivel | 160 ° (degrees) | 45 ° |
| Left Pivot | 90 ° (degrees) | 90 ° |
| Right Pivot | 90 ° (degrees) | 90 ° |
| Portrait Mode | Yes | Yes |
| Security Lock | Yes | Yes |
| Anti-Theft Lock | Kensington Lock | Kensington Lock |
| Dimensions, Weight & Design | ||
| Dimensions With Stand |
|
611 mm x 393 mm x 188 mm (W x H x D) |
| Dimensions Without Stand |
|
611 mm x 370 mm x 69 mm (W x H x D) |
| Weight With Stand | 5.8 kg (kilograms) / 12.79 lbs (pounds) | 6.8 kg (14.99 lbs) |
| Weight Without Stand | 4.3 kg (kilograms) / 9.48 lbs (pounds) | 4.9 kg (10.8 lbs) |
| Stand Depth | 196 mm (millimeters) / 19.6 cm (centimeters) / 7.7165 in (inches) / 0.643 ft (feet) | 188 mm (7.40 in) |
| RGB Lighting | -- | Yes |
| Power & Operating Conditions | ||
| Power Input | -- | 100–240V |
| 110V Input Range | 100 V - 120 V (volts) | 100 V - 120 V |
| 220V Input Range | 220 V - 240 V (volts) | 220 V - 240 V |
| AC Frequency | 50 Hz - 60 Hz (hertz) | 50 Hz - 60 Hz |
| Average Power Consumption | 27 W (watts) / Power board built-in | 25 W |
| Sleep Consumption | 0.5 W (watts) | 0.5 W |
| Off Consumption | 0.3 W (watts) | 0.3 W |
| Operating Temperature | -- | 0 °C - 40 °C / 32 °F - 104 °F |
| Storage Temperature | -- | -20 °C - 60 °C / -4 °F - 140 °F |
| Eye Care, Protection & Additional Features | ||
| Flicker-Free | Yes | Yes |
| Low Blue Light | Yes | Yes |
| Proximity Sensor | -- | Yes |
| OLED Protection | -- | Yes |
| OLED Care | -- | Yes |
| Burn-In Protection | -- | Yes (ASUS OLED Care / OLED Care Pro) |
| Custom Heatsink | -- | Yes |
| Desktop Control Software | -- | Yes |
| Monitor Management Software | -- | Yes |
| Screen Split | Yes | -- |
| Aura Sync | -- | Yes |
| Anti-Theft Slot | Yes (Kensington lock slot) | Yes (Kensington lock slot) |
| Additional Monitor Features |
|
|
| Certifications, Standards & Licenses | ||
| TÜV Flicker-Free | Yes | Yes |
| TÜV Low Blue Light | Yes | Yes |
| VESA DisplayHDR? | -- | Display / HDR 400 True Black |
| VESA AdaptiveSync? | -- | Display 240 Hz |
| Included Accessories | ||
| HDMI Cable | -- | HDMI cable |
| DisplayPort Cable | DisplayPort cable | DisplayPort cable |
| Packaging Information | ||
| Package Dimensions |
|
780 mm x 470 mm x 186 mm (W x H x D) |
| Package Width | 888 mm (millimeters) / 88.8 cm (centimeters) / 34.9606 in (inches) / 2.9134 ft (feet) | 780 mm (30.71 in) |
| Package Height | 493 mm (millimeters) / 49.3 cm (centimeters) / 19.4094 in (inches) / 1.6175 ft (feet) | 470 mm (18.50 in) |
| Package Depth | 123 mm (millimeters) / 12.3 cm (centimeters) / 4.8425 in (inches) / 0.4035 ft (feet) | 186 mm (7.32 in) |
| Package Weight | 7.7 kg (kilograms) / 16.98 lbs (pounds) | 8.9 kg (19.62 lbs) |
Verdict
Bottom line
Go with the G27Q26 if you want a bright 400 nits QHD IPS gaming screen with 275 Hz. Lean towards the Asus XG27AQDMES if you want QD-OLED contrast, 240 Hz and 0.03 ms response with a pivot stand. The deciding factor is OLED image quality versus IPS brightness.
Buy this ifGIGABYTE G27Q26
- 400 nits IPS suits bright rooms
- 275 Hz with FreeSync and G-Sync
- No OLED burn-in risk with static windows
Buy this ifASUS ROG Strix OLED XG27AQDMES
- QD-OLED at 1,500,000:1 contrast
- 240 Hz refresh with 0.03 ms response
- 99% DCI-P3 and a pivot stand
| Use case | Better pick | Why |
|---|---|---|
| Dark-room contrast | ASUS ROG Strix OLED XG27AQDMES | 1,500,000:1 QD-OLED contrast |
| Bright rooms | GIGABYTE G27Q26 | 400 nits versus 200 nits |
| Motion clarity | ASUS ROG Strix OLED XG27AQDMES | 0.03 ms response |
| Office & static work | GIGABYTE G27Q26 | IPS avoids burn-in risk |
| Portrait setups | ASUS ROG Strix OLED XG27AQDMES | Pivot with 110 mm height |
| Refresh rate | GIGABYTE G27Q26 | 275 Hz versus 240 Hz |
Data & scoring note
Methodology: The verdict and comparison notes on this page were written and checked by an editor working from the full specification table below. Conclusions are based on manufacturer-listed specifications only - no benchmark testing, measured brightness or hands-on use is claimed unless stated. Missing values are left blank rather than estimated. Report an error.
Updated: September 2026
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