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Comparison between Dell U4021QW vs Dell UltraSharp U3011

General Info
Model Number Dell U4021QW Dell UltraSharp U3011
Price
Type Monitor Monitor
Year 2021 2010
Brand Dell Dell
Model Number U4021QW UltraSharp U3011
Display
Screen Size Class 40" (inches) 30" (inches)
Diagonal Size 29.77 in
75.6 cm
756.2 mm
2.48 ft
Screen Width 37.27 in
94.7 cm
946.6 mm
3.11 ft
25.25 in
64.1 cm
641.28 mm
2.1 ft
Screen Height 15.78 in
40.1 cm
400.8 mm
1.31 ft
Display Curvature 2500
Display Manufacturer LG Display
Display Type IPS H-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 16:10
Screen Resolution 5120 x 2160 2560 x 1600
Screen Pixel Pitch 0.251 mm
Screen Pixel Density 101 ppi
Screen-to-Body Ratio 81.64 %
Backlight Source W-LED CCFL
DCI P3 98%
sRGB 100 % 100 %
Adobe RGB 1998 99 %
NTSC 1953 117 %
Screen Brightness 300 cd/m² 370 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 5 ms 7 ms
Display Average Response Time 8 ms 12 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 37.27 in
94.7 cm
946.6 mm
3.11 ft
27.34 in
69.5 cm
694.5 mm
2.28 ft
Case Height with Stand 18.02 in
45.8 cm
457.8 mm
1.5 ft
18.95 in
48.1 cm
481.3 mm
1.58 ft
Case Depth with Stand 9.76 in
24.8 cm
248 mm
0.81 ft
8.32 in
21.1 cm
211.3 mm
0.69 ft
Case Weight with Stand 9.5 kg
21 lbs
14.46 kg
32 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)
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)
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)
Extra Features Security lock slot 7 in 1 media card reader
Anti-theft stand lock slot - Kensington
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 120 mm
12 cm
4.7244 in
0.3937 ft
90 mm
9 cm
3.5433 in
0.2953 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 5 ° 3 °
Backward Tilt 21 ° 19 °
Frequency and Interpolation
Vertical Digital Frequency 60 Hz 56 Hz - 86 Hz
Horizontal Digital Frequency 30 kHz - 112.5 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
D-sub cable
DisplayPort cable
DVI-D cable
Factory calibration report
USB 2.0 upstream cable
Certificates and Standards
Licenses ENERGY STAR 5.0
Epeat Silver
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
5 °C - 35 °C
41 °F - 95 °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 3657.6
Max Storage Altitude 12192 12192
Dell U4021QW Dell UltraSharp U3011