Comparison between Dell U4021QW vs Dell UltraSharp U4919DW

General Info
Model Number	Dell U4021QW	Dell UltraSharp U4919DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2018
Brand	Dell	Dell
Model Number	U4021QW	UltraSharp U4919DW
Display
Screen Size Class	40" (inches)	49" (inches)
Diagonal Size		49 in 124.5 cm 1244.6 mm 4.08 ft
Screen Width	37.27 in 94.7 cm 946.6 mm 3.11 ft	47.17 in 119.8 cm 1198.08 mm 3.93 ft
Screen Height		13.27 in 33.7 cm 336.96 mm 1.11 ft
Display Curvature	2500	3800
Display Manufacturer		LG Display
Display Type	IPS	IPS
Display Bit Depth	10 bits	10 bits
Frame Rate Control		No
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	21:9	36:10
Screen Resolution	5120 x 2160	5120 x 1440
Screen Pixel Pitch		0.234 mm
Screen Pixel Density		108 ppi
Screen-to-Body Ratio		89.55 %
Backlight Source	W-LED	W-LED
DCI P3	98%
sRGB	100 %	99 %
Adobe RGB 1998		75 %
NTSC 1953		72 %
Screen Brightness	300 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		10 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	8 ms	8 ms
Display Maximum Response Time		15 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth		4.3 in 10.9 cm 109.3 mm 0.36 ft
Case Weight		11.4 kg 25 lbs
Case Width with Stand	37.27 in 94.7 cm 946.6 mm 3.11 ft	47.84 in 121.5 cm 1215.1 mm 3.99 ft
Case Height with Stand	18.02 in 45.8 cm 457.8 mm 1.5 ft	18.06 in 45.9 cm 458.6 mm 1.5 ft
Case Depth with Stand	9.76 in 24.8 cm 248 mm 0.81 ft	9.94 in 25.3 cm 252.6 mm 0.83 ft
Case Weight with Stand	9.5 kg 21 lbs	17.2 kg 38 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.2 (Type-C; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)	1 x USB 3.0 (charger - 5V/2.0A) 1 x USB 3.1 (Type-C) 1 x DisplayPort 1.4 2 x HDMI 2.0 2 x USB 3.0 (upstream) 4 x USB 3.0 (downstream)
Audio
Audio Speakers	2 x 9W
Features
Cool Features	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology	HDCP (High-bandwidth Digital Content Protection) 2.2 Picture-by-Picture Blue Light Filter Flicker-free technology
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width		47.84 in 121.5 cm 1215.1 mm 3.99 ft
Case Height		14.61 in 37.1 cm 371 mm 1.22 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	120 mm 12 cm 4.7244 in 0.3937 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	170 °
Right Swivel	30 °	170 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	24 Hz - 86 Hz
Horizontal Digital Frequency		25 kHz - 115 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable	DisplayPort cable HDMI cable USB 3.0 upstream cable USB Type-C cable
Certificates and Standards
Licenses		ENERGY STAR 7.0 RoHS TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell U4021QW

Dell UltraSharp U4919DW