| Product name | ViewSonic VG2239SMH | ViewSonic VX2457-MHD | Acer UM.FV6AA.011 |
| Popularity | 80 | 80 | 80 |
| Rating | | | |
| Shopineer score | 78 | 78 | 78 |
| Price | $139.99 | $139.99 |  $119.99 |
| Brand | ViewSonic | ViewSonic | Acer |
| Screen Size | 21.5" | 23.6" | 24" |
| Resolution | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 |
| Refresh Rate | | | |
| Display Colors | 16.7 Million | 16.7 Million | 16.7 Million |
| Response Time | 6.5ms | 1ms (GTG) | 5ms |
| Aspect Ratio | 16:9 | 16:9 | 16:9 |
| Panel Type | MVA | TN | TN |
| Adaptive Sync Technology | Separate Sync, Composite Sync, Sync on Green | FreeSync (AMD Adaptive Sync) | |
| HDMI | 1 | 1 | 1 |
| DisplayPort | 1 | 1 | 1 |
| Horizontal Refresh Rate | 24 - 82 kHz | VGA: 24 -83 KHzHDMI: 24 -83 KHzDP: 24 -83 KHz | |
| Vertical Refresh Rate | 50 - 75 Hz | VGA: 47 - 75 HzHDMI: 47 - 75 HzDP: 47 - 75 Hz | |
| Power Supply | 100 - 240 VAC, 50/60Hz | 100 - 240 VAC, 50/60Hz | |
| Power Consumption | Eco Mode (Conserve): 15WEco Mode (optimized): 18WConsumption (typical): 20.5WConsumption (max): 30W | Consumption: 24W Optimize: 18W Conserve: 14W | Operating: 20.90WOperating (Energy Star): 20.90WStandby: 450mWOff-Mode: 350mW |
| User Controls | Physical Controls: 1, 2, Down, Up, PowerOn Screen Display: Auto Image Adjust, Contrast/Brightness, Input Select,Audio Adjust, Color Adjust, Information, Manual ImageAdjust, Setup Menu, Memory Recall(See user guide for complete OSD functionality) | | |
| Stand Adjustments | Height Adjust (mm): 135Swivel: 360 DegreePivot: 90 DegreeTilt (Forward / Back): 5 / 20 Degree | Tilt: -5 to 21 degree | Tilt Angle: -5 to 25 Degree |
| Built-in Speakers | 2W x 2 | 2 x 2W | |
| VESA Compatibility | 100 x 100mm | 100 x 100mm | |
| Dimensions (H x W x D) | | | |
| Features | SuperClear MVA panel technology for stunning color performance and wide-angle viewingFuture-proof HDMI, DisplayPort, VGA, and USB inputsErgonomic tilt, pivot, swivel and height-adjustable design for maximum comfort and productivityExclusive ViewMode technology delivers superior color rendering and intuitive settingsFlicker-free and Blue Light Filter technology for more comfortable viewingENERGY STAR and EPEAT Gold Certification | Ultra-Fast Response TimeAMD FreeSync TechnologyLow Input LagBlack Stabilization for Ultimate VisibilityGame Mode Hotkey and User-customized SettingsVersatile ConnectivityDual Integrated SpeakersEnhanced Viewing Comfort | |
