Compare Dell UltraSharp U3821DW UW4K Curved vs Dell UltraSharp U3421WE Curved vs Dell S2721D

[[{"Ft":"Connectivity","Fn":"Ports","Fv":"1x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode), 4x USB 3.2 (Type-A; Gen 1; downstream), 2x HDMI 2.0, 1x 3.5 mm Audio Out (line-out for speakers), 1x DisplayPort 1.4, 1x Ethernet RJ45, 1x USB 3.2 (Type-B; Gen 1; upstream), 1x USB 3.2 (Type-C; downstream)"},{"Ft":"Construction","Fn":"Adjustment | Height","Fv":"120 mm / 4.7244 in "},{"Ft":"Construction","Fn":"Adjustment | Pivot","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Swivel","Fv":"-30° ~ 30°"},{"Ft":"Construction","Fn":"Adjustment | Tilt","Fv":"-5° ~ 21°"},{"Ft":"Construction","Fn":"Camera","Fv":"No"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Curved monitor"},{"Ft":"Construction","Fn":"Speakers","Fv":"2x 9W"},{"Ft":"Construction","Fn":"VESA Mount","Fv":"100 x 100 mm"},{"Ft":"Dimensions","Fn":"Bezels","Fv":"98.38% screen-to-body ratio"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"4.03 in / 102.4 mm w/o stand, 9.89 in / 251.2 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"15.44 in / 392.3 mm w/o stand, 17.47 in / 443.8 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"35.21 in / 894.3 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"8.8 kg / 19 lbs w/o stand , 13.6 kg / 30 lbs w/ stand"},{"Ft":"Display","Fn":"Aspect Ratio","Fv":"24:10"},{"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":"10 bits, 1073741824 colors"},{"Ft":"Display","Fn":"Display Curvature","Fv":"2300R"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"38\u0026#34; (37.52 in / 952.9 mm)"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS, Anti-glare/Matte (3H)"},{"Ft":"Display","Fn":"Gamut","Fv":"95% DCI-P3, 100% sRGB"},{"Ft":"Display","Fn":"Pixel Density","Fv":"109 ppi"},{"Ft":"Display","Fn":"Pixel Pitch","Fv":"0.229 mm"},{"Ft":"Display","Fn":"Refresh Rate","Fv":"56 Hz ~ 76 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"UW4K (3840x1600)"},{"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":"HDR","Fv":"DisplayHDR 600"},{"Ft":"Function","Fn":"Licenses","Fv":"ENERGY STAR 8.0, EPEAT Gold, RoHS, TAA Availability, TCO Certified Displays"},{"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":"Low Blue Light, Picture-by-Picture, Picture-in-Picture, Flicker-free technology, KVM Switch"},{"Ft":"Performance","Fn":"Power Consumption","Fv":"36.5 W (average) / 230 W (max) / 0.3 W (sleep) / 0.3 W (off)"},{"Ft":"Production","Fn":"Accessory","Fv":"DisplayPort cable, HDMI cable, USB Type-C cable, USB Type-B 3.2 Gen 1 cable"},{"Ft":"Production","Fn":"Debut","Fv":"2021"}],[{"Ft":"Connectivity","Fn":"Ports","Fv":"4x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps), 1x USB 3.2 (Type-B; Gen 1; upstream), 2x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4, 1x Ethernet RJ45, 1x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode), 1x USB 3.1 (Type-C; downstream; 15W)"},{"Ft":"Construction","Fn":"Adjustment | Height","Fv":"150 mm / 5.9055 in "},{"Ft":"Construction","Fn":"Adjustment | Pivot","Fv":"N/A"},{"Ft":"Construction","Fn":"Adjustment | Swivel","Fv":"-30° ~ 30°"},{"Ft":"Construction","Fn":"Adjustment | Tilt","Fv":"-5° ~ 21°"},{"Ft":"Construction","Fn":"Camera","Fv":"No"},{"Ft":"Construction","Fn":"Colors","Fv":"Platinum Silver"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Curved monitor"},{"Ft":"Construction","Fn":"Speakers","Fv":"2x 5W"},{"Ft":"Construction","Fn":"VESA Mount","Fv":"100 x 100 mm"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"9.35 in / 237.4 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"15.46 in / 392.8 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"32.02 in / 813.3 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"7.52 kg / 17 lbs w/o stand , 11.87 kg / 26 lbs w/ stand"},{"Ft":"Display","Fn":"Aspect Ratio","Fv":"21:9"},{"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":"10 bits, 1073741824 colors"},{"Ft":"Display","Fn":"Display Curvature","Fv":"1900R"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"34\u0026#34; (34.14 in / 867.2 mm)"},{"Ft":"Display","Fn":"Display Type","Fv":"AH-IPS, Anti-glare/Matte (3H), LG Display"},{"Ft":"Display","Fn":"Gamut","Fv":"95% 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":"60 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"UW-QHD (3440x1440)"},{"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 Gold, RoHS, TCO Certified Displays, TUV Rheinland Flicker Free Certified, TUV Rheinland Low Blue Light Certified"},{"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":"KVM Switch, Low Blue Light, Picture-in-Picture, Picture-by-Picture, ComfortView, Flicker-free technology"},{"Ft":"Performance","Fn":"Power Consumption","Fv":"36 W (average) / 210 W (max) / 0.5 W (sleep) / 0.5 W (off)"},{"Ft":"Production","Fn":"Accessory","Fv":"DisplayPort cable, HDMI cable, USB Type-A to Type-B cable, USB Type-C to Type-C cable"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}],[{"Ft":"Connectivity","Fn":"Ports","Fv":"1x 3.5 mm Audio Out, 2x HDMI 1.4, 1x DisplayPort 1.2"},{"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":"Silver"},{"Ft":"Construction","Fn":"Speakers","Fv":"2x 3W"},{"Ft":"Construction","Fn":"VESA Mount","Fv":"100 x 100 mm"},{"Ft":"Dimensions","Fn":"Bezels","Fv":"89.83% screen-to-body ratio"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"2.18 in / 55.4 mm w/o stand, 7.35 in / 186.8 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"14.35 in / 364.6 mm w/o stand, 17.85 in / 453.4 mm w/ stand"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"24.08 in / 611.6 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"4.4 kg / 10 lbs w/o stand , 5.4 kg / 12 lbs w/ stand"},{"Ft":"Display","Fn":"Aspect Ratio","Fv":"16:9"},{"Ft":"Display","Fn":"Brightness","Fv":"320 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; (26.96 in / 684.7 mm)"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS, Anti-glare/Matte (3H)"},{"Ft":"Display","Fn":"Gamut","Fv":"99% sRGB"},{"Ft":"Display","Fn":"Input Lag","Fv":"10 ms"},{"Ft":"Display","Fn":"Pixel Density","Fv":"109 ppi"},{"Ft":"Display","Fn":"Pixel Pitch","Fv":"0.233 mm"},{"Ft":"Display","Fn":"Refresh Rate","Fv":"48 Hz ~ 75 Hz"},{"Ft":"Display","Fn":"Resolution","Fv":"QHD (2560x1440)"},{"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) / 40 W (max) / 17.5 W (eco) / 0.3 W (sleep) / 0.3 W (off)"},{"Ft":"Production","Fn":"Accessory","Fv":"HDMI cable"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}]]