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| Specification | LenovoA23TIO22 | LenovoD21270UP0 |
|---|---|---|
| Declared HDR capability | Not recorded | DisplayHDR 400Source |
| Declared display features | Conflicting source valuesSource | Full Network ConnectivitySource |
| ENERGY STAR partner | Lenovo Group LimitedSource | Lenovo Group LimitedSource |
| Maximum power delivery | Not recorded | 27 WSource |
| Monitor energy use at 115 V | Conflicting source valuesSource | 104.65 kWh/yearSource |
| Native resolution | 1920 x 1080 pixelsSource | 2160 x 3840 pixelsSource |
| On-mode power | Conflicting source valuesSource | 28.84 WSource |
| Panel technology | TFT LCDSource | IPS LCDSource |
| Power source type | Ac to dc external power supplySource | Ac to dc internal power supplySource |
| Product type | MonitorSource | MonitorSource |
| Reported color gamut | Not recorded | 47.5Source |
| Screen diagonal | 21.5 inSource | 27 inSource |
| Signal and data interfaces | Display,HDMI,USBSource | Thunderbolt,Display,HDMI,USBSource |
| Sleep-mode power | Conflicting source valuesSource | 2.85 WSource |
| Supported color spaces | sRGBSource | Adobe RGBSource |
| USB-C power delivery supported | NoSource | YesSource |