Comparison between Dell UltraSharp U3011 vs Dell U4021QW

General Info
Model Number	Dell UltraSharp U3011	Dell U4021QW

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Type	Monitor	Monitor
Year	2010	2021
Brand	Dell	Dell
Model Number	UltraSharp U3011	U4021QW
Display
Screen Size Class	30" (inches)	40" (inches)
Diagonal Size	29.77 in 75.6 cm 756.2 mm 2.48 ft
Screen Width	25.25 in 64.1 cm 641.28 mm 2.1 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Screen Height	15.78 in 40.1 cm 400.8 mm 1.31 ft
Display Curvature		2500
Display Manufacturer	LG Display
Display Type	H-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	16:10	21:9
Screen Resolution	2560 x 1600	5120 x 2160
Screen Pixel Pitch	0.251 mm
Screen Pixel Density	101 ppi
Screen-to-Body Ratio	81.64 %
Backlight Source	CCFL	W-LED
DCI P3		98%
sRGB	100 %	100 %
Adobe RGB 1998	99 %
NTSC 1953	117 %
Screen Brightness	370 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	100000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	24 ms
Display Minimum Response Time	7 ms	5 ms
Display Average Response Time	12 ms	8 ms
Display Maximum Response Time	17 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	3.72 in 9.4 cm 94.4 mm 0.31 ft
Case Weight	9.3 kg 20 lbs
Case Width with Stand	27.34 in 69.5 cm 694.5 mm 2.28 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Case Height with Stand	18.95 in 48.1 cm 481.3 mm 1.58 ft	18.02 in 45.8 cm 457.8 mm 1.5 ft
Case Depth with Stand	8.32 in 21.1 cm 211.3 mm 0.69 ft	9.76 in 24.8 cm 248 mm 0.81 ft
Case Weight with Stand	14.46 kg 32 lbs	9.5 kg 21 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 1.4 1 x DisplayPort 1.2 1 x D-sub 1 x 3.5 mm Audio In 1 x AV Component In (YPbPr + L/R) 2 x DVI-D Dual Link 4 x USB 2.0 (downstream) 1 x 3.5 mm Audio Out 1 x USB 2.0 (upstream)	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)
Audio
Audio Speakers		2 x 9W
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection)	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology
Extra Features	7 in 1 media card reader Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	27.34 in 69.5 cm 694.5 mm 2.28 ft
Case Height	17.85 in 45.3 cm 453.3 mm 1.49 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	90 mm 9 cm 3.5433 in 0.2953 ft	120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	30 °
Right Swivel	30 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	3 °	5 °
Backward Tilt	19 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 86 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 112.5 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	D-sub cable DisplayPort cable DVI-D cable Factory calibration report USB 2.0 upstream cable	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable
Certificates and Standards
Licenses	ENERGY STAR 5.0 Epeat Silver
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °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	3657.6	5000
Max Storage Altitude	12192	12192

Dell UltraSharp U3011

Dell U4021QW