Compare Dell S2421HN vs Dell S2721HN vs Dell E1920H WXGA

[[{"Ft":"Connectivity","Fn":"Ports","Fv":"2x HDMI 1.4, 1x 3.5 mm Audio Out"},{"Ft":"Construction","Fn":"Adjustment | Height","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Pivot","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Swivel","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Tilt","Fv":"-5° ~ 21°"},{"Ft":"Construction","Fn":"Camera","Fv":"No"},{"Ft":"Construction","Fn":"Colors","Fv":"Black, Silver"},{"Ft":"Construction","Fn":"VESA Mount","Fv":"100 x 100 mm"},{"Ft":"Dimensions","Fn":"Bezels","Fv":"90.06% screen-to-body ratio"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"2.12 in / 53.8 mm w/o stand, 6.02 in / 152.8 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"12.7 in / 322.6 mm w/o stand, 16.25 in / 412.8 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"21.17 in / 537.8 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"3.3 kg / 7 lbs w/o stand , 4.1 kg / 9 lbs w/ stand"},{"Ft":"Display","Fn":"Aspect Ratio","Fv":"16:9"},{"Ft":"Display","Fn":"Brightness","Fv":"250 nits"},{"Ft":"Display","Fn":"Contrast Ratio","Fv":"1000:1 (static)"},{"Ft":"Display","Fn":"Display Backlight","Fv":"W-LED"},{"Ft":"Display","Fn":"Display Color Depth","Fv":"8 bits, 16777216 colors"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"24\u0026#34; (23.8 in / 604.478 mm)"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS, Anti-glare/Matte (3H)"},{"Ft":"Display","Fn":"Gamut","Fv":"72% NTSC"},{"Ft":"Display","Fn":"Pixel Density","Fv":"92 ppi"},{"Ft":"Display","Fn":"Pixel Pitch","Fv":"0.275 mm"},{"Ft":"Display","Fn":"Refresh Rate","Fv":"48 Hz ~ 75 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"FHD (1920x1080)"},{"Ft":"Display","Fn":"Response Time","Fv":"4 ms (min) / 8 ms (avg)"},{"Ft":"Display","Fn":"Viewing Angle","Fv":"178° H / 178° V"},{"Ft":"Function","Fn":"Licenses","Fv":"ENERGY STAR 8.0, EPEAT, RoHS, TCO Certified, TUV Flicker Free, TUV Low Blue Light"},{"Ft":"Function","Fn":"Operating Humidity","Fv":"10 % ~ 80 %"},{"Ft":"Function","Fn":"Operating Temperature","Fv":"0 °C ~ 40 °C , 32 °F ~ 104 °F"},{"Ft":"Function","Fn":"Variable Framerate","Fv":"AMD FreeSync"},{"Ft":"Function","Fn":"Video","Fv":"Flicker-free technology, Low Blue Light, 3-sided bezeless design"},{"Ft":"Performance","Fn":"Power Consumption","Fv":"16 W (average) / 21 W (max) / 11.74 W (eco) / 0.3 W (sleep) / 0.3 W (off)"},{"Ft":"Production","Fn":"Accessory","Fv":"HDMI cable"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}],[{"Ft":"Connectivity","Fn":"Ports","Fv":"2x HDMI 1.4, 1x 3.5 mm Audio Out"},{"Ft":"Construction","Fn":"Adjustment | Height","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Pivot","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Swivel","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Tilt","Fv":"-5° ~ 21°"},{"Ft":"Construction","Fn":"Camera","Fv":"No"},{"Ft":"Construction","Fn":"Colors","Fv":"Black, Silver"},{"Ft":"Construction","Fn":"VESA Mount","Fv":"100 x 100 mm"},{"Ft":"Dimensions","Fn":"Bezels","Fv":"90.67% screen-to-body ratio"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"2.13 in / 54 mm w/o stand, 7.35 in / 186.8 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"14.31 in / 363.6 mm w/o stand, 17.85 in / 453.3 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"24.01 in / 609.9 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"4.3 kg / 9 lbs w/o stand , 5.2 kg / 11 lbs w/ stand"},{"Ft":"Display","Fn":"Aspect Ratio","Fv":"16:9"},{"Ft":"Display","Fn":"Brightness","Fv":"300 nits"},{"Ft":"Display","Fn":"Contrast Ratio","Fv":"1000:1 (static)"},{"Ft":"Display","Fn":"Display Backlight","Fv":"W-LED"},{"Ft":"Display","Fn":"Display Color Depth","Fv":"8 bits, 16777216 colors"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"27\u0026#34; (27 in / 685.891 mm)"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS, Anti-glare/Matte (3H)"},{"Ft":"Display","Fn":"Gamut","Fv":"72% NTSC"},{"Ft":"Display","Fn":"Pixel Density","Fv":"81 ppi"},{"Ft":"Display","Fn":"Pixel Pitch","Fv":"0.311 mm"},{"Ft":"Display","Fn":"Refresh Rate","Fv":"48 Hz ~ 75 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"FHD (1920x1080)"},{"Ft":"Display","Fn":"Response Time","Fv":"4 ms (min) / 8 ms (avg)"},{"Ft":"Display","Fn":"Viewing Angle","Fv":"178° H / 178° V"},{"Ft":"Function","Fn":"Licenses","Fv":"ENERGY STAR 8.0, EPEAT, RoHS, TCO Certified, TUV Flicker Free, TUV Low Blue Light"},{"Ft":"Function","Fn":"Operating Humidity","Fv":"10 % ~ 80 %"},{"Ft":"Function","Fn":"Operating Temperature","Fv":"0 °C ~ 40 °C , 32 °F ~ 104 °F"},{"Ft":"Function","Fn":"Variable Framerate","Fv":"AMD FreeSync"},{"Ft":"Function","Fn":"Video","Fv":"Flicker-free technology, Low Blue Light, 3-sided bezeless design"},{"Ft":"Performance","Fn":"Power Consumption","Fv":"19 W (average) / 29 W (max) / 13.82 W (eco) / 0.3 W (sleep) / 0.3 W (off)"},{"Ft":"Production","Fn":"Accessory","Fv":"HDMI cable"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}],[{"Ft":"Connectivity","Fn":"Ports","Fv":"1x DisplayPort 1.2, 1x D-sub"},{"Ft":"Construction","Fn":"Adjustment | Height","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Pivot","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Swivel","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Tilt","Fv":"-5° ~ 21°"},{"Ft":"Construction","Fn":"Camera","Fv":"No"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"VESA Mount","Fv":"N/A"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"6.73 in / 170.942 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"14.16 in / 359.664 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"17.54 in / 445.516 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"2.19 kg / 5 lbs w/o stand , 2.93 kg / 6 lbs w/ stand"},{"Ft":"Display","Fn":"Aspect Ratio","Fv":"16:9"},{"Ft":"Display","Fn":"Brightness","Fv":"200 nits"},{"Ft":"Display","Fn":"Contrast Ratio","Fv":"600:1 (static)"},{"Ft":"Display","Fn":"Display Backlight","Fv":"W-LED"},{"Ft":"Display","Fn":"Display Color Depth","Fv":"8 bits (6 bits + FRC), 16777216 colors"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"19\u0026#34; (18.5 in / 470 mm)"},{"Ft":"Display","Fn":"Display Type","Fv":"TN, Anti-glare/Matte"},{"Ft":"Display","Fn":"Gamut","Fv":"72% NTSC"},{"Ft":"Display","Fn":"Pixel Density","Fv":"84 ppi"},{"Ft":"Display","Fn":"Pixel Pitch","Fv":"0.309 mm"},{"Ft":"Display","Fn":"Refresh Rate","Fv":"60 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"WXGA (1366x768)"},{"Ft":"Display","Fn":"Response Time","Fv":"5 ms (min)"},{"Ft":"Display","Fn":"Viewing Angle","Fv":"90° H / 65° V"},{"Ft":"Function","Fn":"Licenses","Fv":"Energy Star, EPEAT, TCO Certified Display"},{"Ft":"Function","Fn":"Operating Humidity","Fv":"10 % ~ 80 %"},{"Ft":"Function","Fn":"Operating Temperature","Fv":"0 °C ~ 40 °C , 32 °F ~ 104 °F"},{"Ft":"Function","Fn":"Video","Fv":"HDCP (High-bandwidth Digital Content Protection) 1.2, Low Blue Light, PowerNap, Dell Display Manager, Flicker-free technology"},{"Ft":"Performance","Fn":"Power Consumption","Fv":"10 W (average) / 14 W (max) / 9.51 W (eco) / 0.3 W (sleep) / 0.3 W (off)"},{"Ft":"Production","Fn":"Accessory","Fv":"DisplayPort cable, VGA cable (EMEA and Japan only)"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}]]