| Product name | ViewSonic VG2249 | Acer UM.IV6AA.005 | ASUS VS229H-P |
| Popularity | 80 | 80 | 80 |
| Rating | |  45 | |
| Shopineer score | 78 |  67 | 78 |
| Price | $168.45 |  $168.99 |  $104.99 |
| Brand | ViewSonic | Acer | ASUS |
| Screen Size | 21.5" | 19.5" | 21.5" |
| Resolution | 1920 x 1080 | 1440 x 900 | 1920 x 1080 |
| Refresh Rate | | | |
| Display Colors | 16.7 Million | 16.7 Million | 16.7 Million |
| Response Time | 5ms (GTG) | 6ms | 5ms (GTG) |
| Aspect Ratio | 16:9 | 16:10 | 16:9 |
| Panel Type | MVA | IPS | IPS |
| Adaptive Sync Technology | | | |
| HDMI | 1 x ver1.4 | | 1 |
| DisplayPort | 1 x DP, 1 x Mini DP | | No |
| Horizontal Refresh Rate | Analog: 24 - 82KHzDigital: 15 - 82KHz | | |
| Vertical Refresh Rate | Analog: 50 - 75HzDigital: 50 - 75Hz | | |
| Power Supply | 100 - 240 VAC, 50/60Hz | | |
| Power Consumption | Eco Mode (Conserve): 12WEco Mode (optimized): 14WConsumption (typical): 19WConsumption (max): 44WStand-by: 0.5W | Operating Power Consumption: 15 WOperating Power Consumption (Energy Star): 15 WStandby Power Consumption: 450 mWOff-Mode Power Consumption: 400 mW | Power On: Power Saving Mode: Power Off Mode: |
| User Controls | Physical Controls: 1,2, Up, Down, PowerOn Screen Display: Auto Image Adjust, Contrast/Brightness, Input Select, Audio Adjust, Color Adjust, Information, Manual Image Adjust, Advanced Image Adjust, Setup Menu, Memory Recall (See user guide for complete OSD | | |
| Stand Adjustments | Height Adjust: 135mmSwivel: 360 degreePivot: 90 degreeTilt: Forward 6 degree / Back 25 degree | Tilt: -5 to 25 degree | Tilt : +20 |
| Built-in Speakers | 2 x 2W | Yes | |
| VESA Compatibility | 100 x 100mm | | 100 x 100mm |
| Dimensions (H x W x D) | | | 15.18 x 20.26 x 7.87 |
| Features | SuperClear MVA Panel TechnologyHigh-definition Daisy Chain CapabilityVersatile ConnectivityErgonomic DesignOptimized View Settings | | Kensington lockVideo Feature:SPLENDID Video Intelligence TechnologySPLENDID Video Preset Modes: 6 Modes Skin-Tone Selection: 3 ModesColor Temperature Selection: 4 ModesConvenient Hotkey: SPLENDID Video Preset Mode SelectionAuto. AdjustmentBrightness AdjustmentContrast AdjustmentInput SelectionQuickFit |
