Comparison between:
- 26.5" ViewSonic XG273F-2K-OLED
- 31.5" ViewSonic XG323B-4K-OLED
- 27" AOC Q27G4SMN
- 27" AOC Q27G3XMN
Brand, series, model
Information about the brand, series, model and model aliases.
| ViewSonic XG273F-2K-OLED | ViewSonic XG323B-4K-OLED | AOC Q27G4SMN | AOC Q27G3XMN | |
![]() | ![]() | ![]() | ![]() | |
| Model alias | VS20971 | VS20972 | - | - |
| Model year | 2025 | 2025 | 2025 | 2023 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 26.5 in | 31.5 in | 27 in | 27 in |
| Diagonal | 678.2 mm 67.82 cm 26.7008 in 2.2251 ft | 801.858 mm 80.1858 cm 31.5692 in 2.6308 ft | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 684.66 mm 68.466 cm 26.9551 in 2.2463 ft |
| Width | 590.42 mm 59.042 cm 23.2449 in 1.9371 ft | 696.58 mm 69.658 cm 27.4244 in 2.2854 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 | 333.72 mm 33.372 cm 13.1386 in 1.0949 ft | 391.82 mm 39.182 cm 15.426 in 1.2855 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 |
| Panel manufacturer | LG Display | LG Display | - | - |
| Panel type | OLED | OLED | VA | VA |
| Panel bit depth | 10 bits | 10 bits | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) |
| FRC | No | No | Yes | Yes |
| Colors | 1073741824 colors 30 bits | 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 | 1.778:1 16:9 |
| Resolution | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 2560 x 1440 pixels Quad HD (QHD) / 1440p |
| Pixel pitch | 0.229 mm 0.0229 cm 0.009 in 0.0008 ft | 0.181 mm 0.0181 cm 0.0071 in 0.0006 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft |
| Pixel density | 110 ppi 43 ppcm | 140 ppi 55 ppcm | 109 ppi 42 ppcm | 109 ppi 42 ppcm |
| Display area | 88.11 % | 92.61 % | 89.04 % | 89.17 % |
| Backlight | - | - | Mini LED | Mini LED |
| sRGB | - | - | 100 % | 99 % |
| NTSC (1953) | - | - | - | 88 % |
| DCI P3 | 99.5 % | 98.5 % | 97 % | 96 % |
| Brightness | 335 cd/m² | 275 cd/m² | 450 cd/m² | 450 cd/m² |
| Peak brightness | 1500 cd/m² | 1300 cd/m² | 1200 cd/m² | 1000 cd/m² |
| Static contrast | 1500000 : 1 | 1500000 : 1 | 5000 : 1 | 4000 : 1 |
| Dynamic contrast | - | - | 80000000 : 1 | 8000000 : 1 |
| HDR | HDR10 | DisplayHDR 400 True Black | DisplayHDR 1000 | DisplayHDR 1000 HDR10 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 0.02 ms 0.0000 s | 0.03 ms 0.0000 s | 1 ms 0.0010 s | 2.7 ms 0.0027 s |
| Maximum response time | - | - | - | 5.4 ms 0.0054 s |
| Input lag | - | - | - | 3.5 ms 0.0035 s |
| Coating | - | Anti-glare/Matte | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| 4th Generation OLED 4-stack Primary RGB Tandem structure | AGLR anti-glare and low-reflection technology | Response time - 0.3 ms (MPRT - Motion Picture Response Time) Local dimming zones - 1152 Number of mini LEDs - 4608 | Response time - 1 ms (MPRT - Motion Picture Response Time) Local dimming - 1344 LEDs Local dimming zones - 336 |
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 - 450 kHz | 30 kHz - 255 kHz |
| Vertical frequency (digital) | 48 Hz - 540 Hz | 48 Hz - 165 Hz | 48 Hz - 300 Hz | 48 Hz - 180 Hz |
| Dual mode QHD @ 540 Hz HD @ 720 Hz | Dual Mode 4K UHD Mode - 165 Hz FHD Mode - 330 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 |
| Electric current (A) | 5 A | - | 1.5 A | 2 A |
| Power consumption (off) | 0.3 W | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W | 0.5 W |
| Power consumption (average) | 73 W | 65 W | 37 W | 54 W |
| Power consumption (maximum) | 100 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 | 611.1 mm 61.11 cm 24.0591 in 2.0049 ft | 714.6 mm 71.46 cm 28.1339 in 2.3445 ft | 614 mm 61.4 cm 24.1732 in 2.0144 ft | 614.4 mm 61.44 cm 24.189 in 2.0157 ft |
| Height | 365.95 mm 36.595 cm 14.4075 in 1.2006 ft | 412.4 mm 41.24 cm 16.2362 in 1.353 ft | 366.4 mm 36.64 cm 14.4252 in 1.2021 ft | 365.6 mm 36.56 cm 14.3937 in 1.1995 ft |
| Depth | 60.95 mm 6.095 cm 2.3996 in 0.2 ft | 45.05 mm 4.505 cm 1.7736 in 0.1478 ft | 60.5 mm 6.05 cm 2.3819 in 0.1985 ft | 71.8 mm 7.18 cm 2.8268 in 0.2356 ft |
| Weight | 3.4 kg 7.5 lbs | 4.7 kg 10.36 lbs | 5.38 kg 11.86 lbs | 5.43 kg 11.97 lbs |
| Width with stand | 611.1 mm 61.11 cm 24.0591 in 2.0049 ft | 714.6 mm 71.46 cm 28.1339 in 2.3445 ft | 614 mm 61.4 cm 24.1732 in 2.0144 ft | 614.4 mm 61.44 cm 24.189 in 2.0157 ft |
| Height with stand | 436.9 mm 43.69 cm 17.2008 in 1.4334 ft | 514.5 mm 51.45 cm 20.2559 in 1.688 ft | 386.5 mm 38.65 cm 15.2165 in 1.268 ft | 403.3 mm 40.33 cm 15.878 in 1.3232 ft |
| Depth with stand | 221.8 mm 22.18 cm 8.7323 in 0.7277 ft | 229.9 mm 22.99 cm 9.0512 in 0.7543 ft | 240 mm 24 cm 9.4488 in 0.7874 ft | 302.6 mm 30.26 cm 11.9134 in 0.9928 ft |
| Weight with stand | 6 kg 13.23 lbs | 5.4 kg 11.9 lbs | 6.92 kg 15.26 lbs | 7.06 kg 15.56 lbs |
| Box width | 893 mm 89.3 cm 35.1575 in 2.9298 ft | 932 mm 93.2 cm 36.6929 in 3.0577 ft | 820 mm 82 cm 32.2835 in 2.6903 ft | 805 mm 80.5 cm 31.6929 in 2.6411 ft |
| Box height | 489 mm 48.9 cm 19.252 in 1.6043 ft | 559 mm 55.9 cm 22.0079 in 1.834 ft | 481 mm 48.1 cm 18.937 in 1.5781 ft | 480 mm 48 cm 18.8976 in 1.5748 ft |
| Box depth | 194 mm 19.4 cm 7.6378 in 0.6365 ft | 176 mm 17.6 cm 6.9291 in 0.5774 ft | 159 mm 15.9 cm 6.2598 in 0.5217 ft | 162 mm 16.2 cm 6.378 in 0.5315 ft |
| Box weight | 11 kg 24.25 lbs | 11.7 kg 25.79 lbs | 9.95 kg 21.94 lbs | 9.16 kg 20.19 lbs |
| Stand depth | 221.8 mm 22.18 cm 8.7323 in 0.7277 ft | 229.9 mm 22.99 cm 9.0512 in 0.7543 ft | 240 mm 24 cm 9.4488 in 0.7874 ft | 302.6 mm 30.26 cm 11.9134 in 0.9928 ft |
| Colors | Black and Whtie | Black | Black | Black and Red |
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 | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes | Yes |
| Height adjustment range | 120 mm 12 cm 4.7244 in 0.3937 ft | 130 mm 13 cm 5.1181 in 0.4265 ft | 130 mm 13 cm 5.1181 in 0.4265 ft | 130 mm 13 cm 5.1181 in 0.4265 ft |
| Landscape/portrait pivot | Yes | Yes | Yes | Yes |
| Left pivot | 90 ° | 90 ° | 90 ° | 90 ° |
| Right pivot | 90 ° | 90 ° | 90 ° | 90 ° |
| Left/right swivel | Yes | Yes | Yes | Yes |
| Left swivel | 20 ° | 45 ° | 20 ° | 30 ° |
| Right swivel | 20 ° | 45 ° | 20 ° | 30 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 20 ° | 20 ° | 23 ° | 23 ° |
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 USB 2.0 (Type-A; for upgrades only) 2 x HDMI 2.1 2 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x USB 2.0 (Type-A; for upgrades only) 2 x HDMI 2.1 2 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 2 x HDMI 2.1 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 2 x HDMI 2.0 1 x DisplayPort 1.4 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) |
Features
Some additional functional features of the model.
| Features | 3-sided frameless design Advanced DCR Adaptive-Sync technology AMD FreeSync Premium Black Stabilization Cat Eye Mode Crosshair Eagle Eye Mode ECO Mode Flicker-free technology Low Blue Light Night Vision Mode OLED protection Overscan Picture-by-Picture Picture-in-Picture RGB Lights ViewMode VESA ClearMR 21000 | 3-sided borderless design AMD FreeSync Premium Crosshairs Flicker-free technology KVM Switch Low Blue Light NVIDIA G-Sync Compatible Picture-by-Picture Picture-in-Picture | 3-side borderless design Adaptive-Sync technology AMD FreeSync technology AOC G-Menu Black Stabilizer Crosshairs Fast VA Flicker-free technology Frame Counter HDR Mode Game Tone Adjustment Low Blue Light Low Input Lag Motion Blue Reduction Picture-by-Picture Picture-in-Picture Quantum Dot Color Shadow Control | 3-sided frameless design Adaptive-Sync technology AMD FreeSync Premium AOC G-Menu AOC Game Color AOC Shadow Control Crosshair Flicker-free technology Frame counter Game Modes Low Blue Light Low Input Lag Motion Blur Reduction |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CCC CEL RoHS | CCC CEL RoHS | CCC CE CEL CH RoHS FCC TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified | CCC CE CEL CH RoHS FCC Win 11 |
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 | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 20 % - 90 % | 20 % - 90 % | 10 % - 85 % | 10 % - 85 % |
| Operating altitude | 5000 m 16404.2 ft | 5000 m 16404.2 ft | 3657.6 m 12000 ft | 3657.6 m 12000 ft |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F |
| Storage humidity | 10 % - 90 % | 5 % - 95 % | 5 % - 90 % | 5 % - 90 % |
| 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 | DisplayPort cable | HDMI cable Remote control | DisplayPort cable | DisplayPort cable (optional) HDMI cable (optional) |
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 | Anti-theft stand lock slot - Kensington |
| ViewSonic XG273F-2K-OLED | ViewSonic XG323B-4K-OLED | AOC Q27G4SMN | AOC Q27G3XMN |



