Comparison between:
- 26.5" AOC Q27U4D
- 26.5" AOC U27U4D
- 26.5" AOC U27U4
Brand, series, model
Information about the brand, series, model and model aliases.
| AOC Q27U4D | AOC U27U4D | AOC U27U4 | |
![]() | ![]() | ![]() | |
| Model year | 2026 | 2026 | 2026 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 26.5 in | 26.5 in | 26.5 in |
| Diagonal | 678.2 mm 67.82 cm 26.7008 in 2.2251 ft | 674 mm 67.4 cm 26.5354 in 2.2113 ft | 674 mm 67.4 cm 26.5354 in 2.2113 ft |
| Width | 590.42 mm 59.042 cm 23.2449 in 1.9371 ft | 589.97 mm 58.997 cm 23.2272 in 1.9356 ft | 589.97 mm 58.997 cm 23.2272 in 1.9356 ft |
| Height | 333.72 mm 33.372 cm 13.1386 in 1.0949 ft | 332.93 mm 33.293 cm 13.1075 in 1.0923 ft | 332.93 mm 33.293 cm 13.1075 in 1.0923 ft |
| Panel manufacturer | Samsung | Samsung | Samsung |
| Panel type | QD-OLED | QD-OLED | QD-OLED |
| Panel bit depth | 10 bits | 10 bits | 10 bits |
| FRC | No | No | No |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p |
| Pixel pitch | 0.229 mm 0.0229 cm 0.009 in 0.0008 ft | 0.153 mm 0.0153 cm 0.006 in 0.0005 ft | 0.153 mm 0.0153 cm 0.006 in 0.0005 ft |
| Pixel density | 110 ppi 43 ppcm | 165 ppi 65 ppcm | 165 ppi 65 ppcm |
| Display area | 90.76 % | 90.48 % | 90.48 % |
| sRGB | 100 % | 100 % | 100 % |
| DCI P3 | 99 % | 99 % | 99 % |
| Brightness | 200 cd/m² | 250 cd/m² | 250 cd/m² |
| Peak brightness | 400 cd/m² | 1000 cd/m² | 1000 cd/m² |
| Static contrast | 1500000 : 1 | 1500000 : 1 | 1500000 : 1 |
| HDR | HDR10 | DisplayHDR 400 True Black | DisplayHDR 400 True Black |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° |
| Minimum response time | 0.03 ms 0.0000 s | 0.03 ms 0.0000 s | 0.03 ms 0.0000 s |
| Coating | - | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| AGLR coating | 4th Gen QD-OLED Penta Tandem QD-OLED EL Gen 3 (EL 3.0) emissive material Triangular RGB sub-pixel layout with quadrilateral-shaped sub-pixels DarkShield | 4th Gen QD-OLED Penta Tandem QD-OLED EL Gen 3 (EL 3.0) emissive material Triangular RGB sub-pixel layout with quadrilateral-shaped sub-pixels DarkShield |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 30 kHz - 235 kHz | 30 kHz - 285 kHz | 30 kHz - 285 kHz |
| Vertical frequency (digital) | 48 Hz - 144 Hz | 48 Hz - 120 Hz | 48 Hz - 120 Hz |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Electric current (A) | 2.5 A | 2.5 A | 2.5 A |
| Power consumption (off) | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W |
| Power consumption (average) | 65 W | 90 W | 90 W |
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 | 609.3 mm 60.93 cm 23.9882 in 1.999 ft | 609.3 mm 60.93 cm 23.9882 in 1.999 ft | 609.3 mm 60.93 cm 23.9882 in 1.999 ft |
| Height | 356.3 mm 35.63 cm 14.0276 in 1.169 ft | 356.3 mm 35.63 cm 14.0276 in 1.169 ft | 356.3 mm 35.63 cm 14.0276 in 1.169 ft |
| Depth | 49.6 mm 4.96 cm 1.9528 in 0.1627 ft | 49.6 mm 4.96 cm 1.9528 in 0.1627 ft | 49.6 mm 4.96 cm 1.9528 in 0.1627 ft |
| Weight | 4.35 kg 9.59 lbs | 4.69 kg 10.34 lbs | 4.69 kg 10.34 lbs |
| Width with stand | 609.3 mm 60.93 cm 23.9882 in 1.999 ft | 609.3 mm 60.93 cm 23.9882 in 1.999 ft | 609.3 mm 60.93 cm 23.9882 in 1.999 ft |
| Height with stand | 396.8 mm 39.68 cm 15.622 in 1.3018 ft | 396.8 mm 39.68 cm 15.622 in 1.3018 ft | 396.8 mm 39.68 cm 15.622 in 1.3018 ft |
| Depth with stand | 180 mm 18 cm 7.0866 in 0.5906 ft | 180 mm 18 cm 7.0866 in 0.5906 ft | 180 mm 18 cm 7.0866 in 0.5906 ft |
| Weight with stand | 6.23 kg 13.73 lbs | 6.57 kg 14.48 lbs | 6.57 kg 14.48 lbs |
| Box width | 840 mm 84 cm 33.0709 in 2.7559 ft | 840 mm 84 cm 33.0709 in 2.7559 ft | 840 mm 84 cm 33.0709 in 2.7559 ft |
| Box height | 455 mm 45.5 cm 17.9134 in 1.4928 ft | 455 mm 45.5 cm 17.9134 in 1.4928 ft | 455 mm 45.5 cm 17.9134 in 1.4928 ft |
| Box depth | 139 mm 13.9 cm 5.4724 in 0.456 ft | 139 mm 13.9 cm 5.4724 in 0.456 ft | 139 mm 13.9 cm 5.4724 in 0.456 ft |
| Box weight | 9.51 kg 20.97 lbs | 9.75 kg 21.5 lbs | 9.75 kg 21.5 lbs |
| Stand depth | 180 mm 18 cm 7.0866 in 0.5906 ft | 180 mm 18 cm 7.0866 in 0.5906 ft | 180 mm 18 cm 7.0866 in 0.5906 ft |
| Colors | Black and Gray | Black and Gray | Black and Gray |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes |
| Height adjustment range | 150 mm 15 cm 5.9055 in 0.4921 ft | 150 mm 15 cm 5.9055 in 0.4921 ft | 150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape/portrait pivot | Yes | Yes | Yes |
| Left pivot | 90 ° | 90 ° | 90 ° |
| Right pivot | 90 ° | 90 ° | 90 ° |
| Left/right swivel | Yes | Yes | Yes |
| Left swivel | 30 ° | 30 ° | 30 ° |
| Right swivel | 30 ° | 30 ° | 30 ° |
| Forward/backward tilt | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° |
| Backward tilt | 23 ° | 23 ° | 23 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 5 W | 2 x 5 W | 2 x 5 W |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB 3.1 (Type-C; Gen 1; 5 Gbps; downstream; 15W) 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; data only) 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; 96W; DP Alt Mode) 3 x USB 3.2 (Type-A; Gen 1; 5 Gbps) 1 x HDMI 2.1 (TMDS) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; data) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; 96W; DP Alt Mode) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; dowsntream; 15W) 3 x USB 3.2 (Type-A; Gen 2; 10 Gbps; dowsntream; 15W) 1 x HDMI 2.1 (FRL6 (48 Gbps)) 1 x DisplayPort 1.4 (HBR3) 1 x 3.5 mm Audio Out | 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; data) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; 96W; DP Alt Mode) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; dowsntream; 15W) 3 x USB 3.2 (Type-A; Gen 2; 10 Gbps; dowsntream; 15W) 1 x HDMI 2.1 (FRL6 (48 Gbps)) 1 x DisplayPort 1.4 (HBR3) 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) 2.3 | High-bandwidth Digital Content Protection (HDCP) 2.3 |
Features
Some additional functional features of the model.
| Features | Adaptive-Sync technology AMD FreeSync technology AOC I-Menu Auto Pivot with a G sensor Clear Vision Flicker-free technology HDR Mode KVM Switch Low Blue Light Motion Blur Reduction (MBR) OLED Care Picture-by-Picture Picture-in-Picture Quantum Dot Color Shadow Control VESA ClearMR 8000 | Adaptive-Sync technology AMD FreeSync technology AOC I-Menu Auto Pivot with a G sensor Clear Vision Flicker-free technology HDR Mode KVM Switch Low Blue Light Motion Blur Reduction (MBR) OLED Care Picture-by-Picture Picture-in-Picture Quantum Dot Color Shadow Control VESA ClearMR 7000 | Adaptive-Sync technology AMD FreeSync technology AOC I-Menu Auto Pivot with a G sensor Clear Vision Flicker-free technology HDR Mode KVM Switch Low Blue Light Motion Blur Reduction (MBR) OLED Care Picture-by-Picture Picture-in-Picture Quantum Dot Color Shadow Control VESA ClearMR 7000 |
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) UL TrueBright Certified | TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified (Hardware Solution) UL TrueBright Certified | TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified (Hardware Solution) UL TrueBright Certified |
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 | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 10 % - 85 % | 10 % - 85 % | 10 % - 85 % |
| Operating altitude | 3657.6 m 12000 ft | 3657.6 m 12000 ft | 3657.6 m 12000 ft |
| Storage temperature | -25 °C - 55 °C -13 °F - 131 °F | -25 °C - 55 °C -13 °F - 131 °F | -25 °C - 55 °C -13 °F - 131 °F |
| Storage humidity | 5 % - 93 % | 5 % - 93 % | 5 % - 93 % |
| Storage altitude | 12192 m 40000 ft | 12192 m 40000 ft | 12192 m 40000 ft |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | HDMI cable USB Type-C to Type-A cable USB Type-C to Type-C cable | HDMI cable USB Type-C to Type-A cable USB Type-C to Type-C cable | HDMI cable USB Type-C to Type-A cable USB Type-C to Type-C cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| AOC Q27U4D | AOC U27U4D | AOC U27U4 |


