Compare Dell UltraSharp U4919DW Curved vs Dell UltraSharp U2721DE vs Dell UltraSharp U2421HE

[[{"Ft":"Connectivity","Fn":"Ports","Fv":"2x USB 3.0 upstream + 5x USB 3.0 downstream + 1x USB-C (DP 1.4) + 1x DisplayPort 1.4 + 2x HDMI 2.0 + 1x Headphone"},{"Ft":"Construction","Fn":"Adjustment | Pivot","Fv":""},{"Ft":"Construction","Fn":"Adjustment | Swivel","Fv":"-170° ~ 170°"},{"Ft":"Construction","Fn":"Adjustment | Tilt","Fv":"-5° ~ 21°"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Curved professional monitor"},{"Ft":"Construction","Fn":"VESA Mount","Fv":"100x100 mm"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"4.3 inch w/o stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"14.6 inch w/o stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"47.8 inch"},{"Ft":"Dimensions","Fn":"Weight","Fv":"29.1 lbs"},{"Ft":"Display","Fn":"Aspect Ratio","Fv":"32:9"},{"Ft":"Display","Fn":"Brightness","Fv":"350 nits"},{"Ft":"Display","Fn":"Contrast Ratio","Fv":"1000:1"},{"Ft":"Display","Fn":"Display Color Depth","Fv":"1.07 billion (10-bit)"},{"Ft":"Display","Fn":"Display Curvature","Fv":"3800R"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"49 inch"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS"},{"Ft":"Display","Fn":"Gamut","Fv":"99% sRGB"},{"Ft":"Display","Fn":"Pixel Density","Fv":"109 ppi"},{"Ft":"Display","Fn":"Pixel Pitch","Fv":"0.234 mm"},{"Ft":"Display","Fn":"Refresh Rate","Fv":"60 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"5120x1440"},{"Ft":"Display","Fn":"Response Time","Fv":"5 ms gray to gray in Fast mode, 8 ms gray to gray in Normal mode"},{"Ft":"Display","Fn":"Viewing Angle","Fv":"178 degree"},{"Ft":"Function","Fn":"Operating Temperature","Fv":"0° to 40°C"},{"Ft":"Performance","Fn":"Power Consumption","Fv":"60 W (typical) / 230 W (max)"},{"Ft":"Performance","Fn":"Power Supply","Fv":"90W Power Delivery via USB-C"},{"Ft":"Production","Fn":"Debut","Fv":"2019"}],[{"Ft":"Connectivity","Fn":"Ports","Fv":"1x USB 3.1 (Type-C; upstream; DP; 65W), 1x Ethernet RJ45, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4 (Output MST), 1x HDMI 1.4, 2x USB 3.0 (downstream), 2x USB 3.0 (downstream; BC 1.2)"},{"Ft":"Construction","Fn":"Adjustment | Height","Fv":"130 mm / 5.1181 in "},{"Ft":"Construction","Fn":"Adjustment | Pivot","Fv":"-90° ~ 90°"},{"Ft":"Construction","Fn":"Adjustment | Swivel","Fv":"-40° ~ 40°"},{"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":"100 x 100 mm"},{"Ft":"Dimensions","Fn":"Bezels","Fv":"92.16% screen-to-body ratio"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"1.54 in / 39 mm w/o stand, 7.09 in / 180 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"13.98 in / 355 mm w/o stand, 15.36 in / 390.2 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"24.1 in / 612.2 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"4.19 kg / 9 lbs w/o stand , 6.24 kg / 14 lbs w/ stand"},{"Ft":"Display","Fn":"Aspect Ratio","Fv":"16:9"},{"Ft":"Display","Fn":"Brightness","Fv":"350 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\u0026quot; (26.96 in / 684.7 mm)"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS, Anti-glare/Matte (3H)"},{"Ft":"Display","Fn":"Gamut","Fv":"89% DCI-P3, 99% sRGB"},{"Ft":"Display","Fn":"Pixel Density","Fv":"109 ppi"},{"Ft":"Display","Fn":"Pixel Pitch","Fv":"0.233 mm"},{"Ft":"Display","Fn":"Refresh Rate","Fv":"56 Hz ~ 76 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"QHD (2560x1440)"},{"Ft":"Display","Fn":"Response Time","Fv":"5 ms (min) / 8 ms (avg)"},{"Ft":"Display","Fn":"Viewing Angle","Fv":"178° H / 178° V"},{"Ft":"Function","Fn":"Licenses","Fv":"ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99"},{"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":"Flicker-free technology, Low Blue Light"},{"Ft":"Performance","Fn":"Power Consumption","Fv":"33.2 W (average) / 160 W (max) / 19.9 W (eco) / 0.3 W (sleep) / 0.3 W (off)"},{"Ft":"Production","Fn":"Accessory","Fv":"DisplayPort cable, USB Type-C to Type-C cable"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}],[{"Ft":"Connectivity","Fn":"Ports","Fv":"1x USB 3.1 (Type-C; upstream; DP; 65W), 1x Ethernet RJ45, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4 (Output MST), 1x HDMI 1.4, 2x USB 3.0 (downstream), 2x USB 3.0 (downstream; BC 1.2)"},{"Ft":"Construction","Fn":"Adjustment | Height","Fv":"130 mm / 5.1181 in "},{"Ft":"Construction","Fn":"Adjustment | Pivot","Fv":"-90° ~ 90°"},{"Ft":"Construction","Fn":"Adjustment | Swivel","Fv":"-40° ~ 40°"},{"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":"100 x 100 mm"},{"Ft":"Dimensions","Fn":"Bezels","Fv":"92.49% screen-to-body ratio"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"1.54 in / 39 mm w/o stand, 6.5 in / 165 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"12.35 in / 313.7 mm w/o stand, 13.72 in / 348.4 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"21.2 in / 538.5 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"3.37 kg / 7 lbs w/o stand , 5.32 kg / 12 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\u0026quot; (23.81 in / 604.7 mm)"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS, Anti-glare/Matte (3H)"},{"Ft":"Display","Fn":"Gamut","Fv":"89% DCI-P3, 99% sRGB"},{"Ft":"Display","Fn":"Pixel Density","Fv":"92 ppi"},{"Ft":"Display","Fn":"Pixel Pitch","Fv":"0.275 mm"},{"Ft":"Display","Fn":"Refresh Rate","Fv":"56 Hz ~ 76 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"FHD (1920x1080)"},{"Ft":"Display","Fn":"Response Time","Fv":"5 ms (min) / 8 ms (avg)"},{"Ft":"Display","Fn":"Viewing Angle","Fv":"178° H / 178° V"},{"Ft":"Function","Fn":"Licenses","Fv":"ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99"},{"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":"Flicker-free technology, Low Blue Light"},{"Ft":"Performance","Fn":"Power Consumption","Fv":"17.5 W (average) / 140 W (max) / 12.87 W (eco) / 0.3 W (sleep) / 0.3 W (off)"},{"Ft":"Production","Fn":"Accessory","Fv":"DisplayPort cable, USB Type-C to Type-C cable"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}]]