| Product name | ViewSonic VA2256-MHD | PLANAR 997-8001-00 | ASUS VZ229H |
| Popularity | 80 | 80 | 80 |
| Rating | | | |
| Shopineer score | 78 | 78 | 78 |
| Price | $121.59 |  $133.99 |  $109.00 |
| Brand | ViewSonic | PLANAR | ASUS |
| Screen Size | 21.5" | 21.5" | 21.5" |
| 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 | 7ms (GTG W/OD), 15ms (GTG Typ) | 5ms | 5ms (GTG) |
| Aspect Ratio | 16:9 | 16:9 | 16:9 |
| Panel Type | IPS | Active Matrix, TFT LCD | IPS |
| Adaptive Sync Technology | | | |
| HDMI | 1 | 1 | 1 |
| DisplayPort | 1 | 1 | |
| Horizontal Refresh Rate | | | Analog Signal Frequency: 54 - 85.5 KHzDigital Signal Frequency: |
| Vertical Refresh Rate | | | Analog Signal Frequency: 48 - 76HzDigital Signal Frequency: 48 - |
| Power Supply | AC 100-240V (universal), 50-60Hz | 100 - 240 VAC, 50/60Hz | 100 - 240 VAC, 50/60Hz |
| Power Consumption | Eco Mode (conserve): 14WEco Mode (optimized): 18WConsumption (typical): 21WConsumption (max): 31WStand-by: 0.5W | 23 Watt typical (0.5 Watt standby) | Power On Mode Power Saving Mode Power Off Mode |
| User Controls | Physical Controls:Key Buttons 1, 2, 3, 4, 5, 6 (power)On 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 | | Convenient Hotkey:Blue Light Filter Brightness AdjustmentInput SelectionQuickFit |
| Stand Adjustments | | Tilt Range -5 | Tilt: +22 to -5 degree |
| Built-in Speakers | 2 x 2W | 1W x 2 | 2 x 1.5W stereo, RMS |
| VESA Compatibility | 100 x 100mm | 100 x 100mm | |
| Dimensions (H x W x D) | | | |
| Features | SuperClear IPS Panel TechnologyFrameless designVersatile ConnectivityFull HD 1080p ResolutionOptimized View Settings | | Stylish ultra-slim profile is only 7mm thinFrameless design suitable for multi-display useASUS Eye Care technology features Low Blue Light filter, Flicker-Free technologyIPS technology with stunningly wide 178 degree viewing angles |
