Comparison between:
- 27" AOpen 27CH3
- 27" AOpen 27CH2
- 27" AOpen 27XC1R P
- 27" AOpen 27XC1UR P
Brand, series, model
Information about the brand, series, model and model aliases.
| AOpen 27CH3 | AOpen 27CH2 | AOpen 27XC1R P | AOpen 27XC1UR P | |
| Series | CH3 | CH2 | XC1 | XC1 |
 |  |  |  | |
| Model year | 2021 | 2021 | 2021 | 2021 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 27 in | 27 in | 27 in |
| Diagonal | 685.8 mm 68.58 cm 27 in 2.25 ft | 685.8 mm 68.58 cm 27 in 2.25 ft | 685.8 mm 68.58 cm 27 in 2.25 ft | 685.8 mm 68.58 cm 27 in 2.25 ft |
| Width | 597.6 mm 59.76 cm 23.5276 in 1.9606 ft | 597.6 mm 59.76 cm 23.5276 in 1.9606 ft | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft |
| Height | 336.15 mm 33.615 cm 13.2343 in 1.1029 ft | 336.15 mm 33.615 cm 13.2343 in 1.1029 ft | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft |
| Radius of curvature | - | - | 1500 mm 150 cm 59.0551 in 4.9213 ft | 1500 mm 150 cm 59.0551 in 4.9213 ft |
| Panel type | VA | IPS | VA | VA |
| Panel bit depth | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) |
| FRC | Yes | Yes | Yes | Yes |
| Colors | 16777216 colors 24 bits | 16777216 colors 24 bits | 16777216 colors 24 bits | 16777216 colors 24 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p | 2560 x 1440 pixels Quad HD (QHD) / 1440p |
| Pixel pitch | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft |
| Pixel density | 81 ppi 32 ppcm | 81 ppi 32 ppcm | 81 ppi 32 ppcm | 109 ppi 42 ppcm |
| Backlight | W-LED | W-LED | W-LED | W-LED |
| NTSC (1953) | 72 % | 72 % | 72 % | 72 % |
| Brightness | 250 cd/m² | 250 cd/m² | - | - |
| Peak brightness | - | - | 400 cd/m² | 400 cd/m² |
| Static contrast | - | 1000 : 1 | 4000 : 1 | 4000 : 1 |
| Dynamic contrast | 100000000 : 1 | 100000000 : 1 | - | - |
| HDR | - | - | DisplayHDR 400 | DisplayHDR 400 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 4 ms 0.0040 s | 4 ms 0.0040 s | - | - |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| - | - | Response time - 1ms (TVR - Turbo Visual Response) | Response time - 1ms (TVR - Turbo Visual Response) |
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 | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 30 kHz - 85 kHz | 30 kHz - 85 kHz | - | - |
| Vertical frequency (digital) | 48 Hz - 75 Hz | 48 Hz - 75 Hz | 48 Hz - 165 Hz | 48 Hz - 165 Hz |
| - | - | DisplayPort - 48 Hz - 165 Hz HDMI 2.0 - 48 Hz - 165 Hz HDMI 1.4 - 48 Hz - 144 Hz | DisplayPort - 48 Hz - 165 Hz HDMI - 48 Hz - 144 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 | 100 V - 120 V |
| 220V | 220 V - 240 V | 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 | 50 Hz - 60 Hz |
| Power consumption (off) | 0.32 W | 0.32 W | 0.35 W | 0.35 W |
| Power consumption (sleep) | 0.4 W | 0.4 W | 0.5 W | 0.5 W |
| Power consumption (average) | 32 W | 32 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.
| Colors | Black | Black | Black | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm | 75 x 75 mm | 75 x 75 mm |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | No | No | Yes | Yes |
| Height adjustment range | - | - | 120 mm 12 cm 4.7244 in 0.3937 ft | 120 mm 12 cm 4.7244 in 0.3937 ft |
| Landscape/portrait pivot | No | No | No | No |
| Left/right swivel | No | No | Yes | Yes |
| Left swivel | - | - | 30 ° | 30 ° |
| Right swivel | - | - | 30 ° | 30 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 20 ° | 15 ° | 25 ° | 25 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | - | 2 x 2 W | 2 x 2 W |
| - | - | Optional | Optional |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x HDMI 1.4 1 x D-sub 1 x 3.5 mm Audio Out | 1 x HDMI 1.4 1 x D-sub 1 x 3.5 mm Audio Out | 1 x HDMI 1.4 1 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | AMD FreeSync technology AOPEN Display Widget BlueLightShield Flicker-free technology ZeroFrame Design | AMD FreeSync technology AOPEN Display Widget BlueLightShield Flicker-free technology ZeroFrame Design | AMD FreeSync Premium Blue Light Filter Flicker-free technology | AMD FreeSync Premium Blue Light Filter Flicker-free technology |
| AOpen 27CH3 | AOpen 27CH2 | AOpen 27XC1R P | AOpen 27XC1UR P |