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Comparison between Dell U4021QW vs Apple Thunderbolt Display

General Info
Name Dell U4021QW Apple Thunderbolt Display
Image
Price
Type Monitor Monitor
Year 2021 2011
Brand Dell Apple
Model Number U4021QW Thunderbolt Display
Display
Screen Size Class 40" (inches) 27" (inches)
Diagonal Size 27 in
68.6 cm
685.8 mm
2.25 ft
Screen Width 37.27 in
94.7 cm
946.6 mm
3.11 ft
23.49 in
59.7 cm
596.736 mm
1.96 ft
Screen Height 13.22 in
33.6 cm
335.664 mm
1.1 ft
Display Curvature 2500
Display Manufacturer LG Display
Display Type IPS H-IPS
Display Bit Depth 10 bits 8 bits
Frame Rate Control No
Max Number of Colors 1073741824 16777216
Bits 30 24
Screen Aspect Ratio 21:9 16:9
Screen Resolution 5120 x 2160 2560 x 1440
Screen Pixel Pitch 0.233 mm
Screen Pixel Density 109 ppi
Backlight Source W-LED W-LED
DCI P3 98%
sRGB 100 %
Adobe RGB 1998 75 %
Screen Brightness 300 cd/m² 375 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Dynamic Screen Contrast 2000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Minimum Response Time 5 ms 6.5 ms
Display Average Response Time 8 ms 8 ms
Display Maximum Response Time 12 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
3D No No
Size, weight, color
Case Width with Stand 37.27 in
94.7 cm
946.6 mm
3.11 ft
25.59 in
65 cm
650 mm
2.13 ft
Case Height with Stand 18.02 in
45.8 cm
457.8 mm
1.5 ft
19.33 in
49.1 cm
491 mm
1.61 ft
Case Depth with Stand 9.76 in
24.8 cm
248 mm
0.81 ft
8.15 in
20.7 cm
207 mm
0.68 ft
Case Weight with Stand 9.5 kg
21 lbs
10.8 kg
24 lbs
Case Color Black Silver
Hardware
Built-in Camera No Yes
Network LAN
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 Thunderbolt
3 x USB 2.0 (downstream)
1 x Ethernet RJ45
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
Extra Features Security lock slot
Ergonomics
Vesa Mount Support Yes No
VESA Interface Standard Size 100 x 100 75 x 75
Removable VESA Stand Yes Yes
Height Adjustment Yes No
Height Adjustment Range 120 mm
12 cm
4.7244 in
0.3937 ft
Landscape or Portrait Pivot Support No No
Left or Right Swivel Support Yes No
Left Swivel 30 °
Right Swivel 30 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 25 °
Frequency and Interpolation
Vertical Digital Frequency 60 Hz 60 Hz
Screen Interpolation Measurement Unit NULL
Accessories
Extras DisplayPort cable
HDMI cable
Thunderbolt 4 (USB-C) Active Cable
USB Type-A to Type-B cable
Certificates and Standards
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
10 °C - 35 °C
50 °F - 95 °F
Safe Operating Humidity Level 10 % - 80 % 20 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 47 °C
-4 °F - 116.6 °F
Internal Storage Humidity 5 % - 90 %
Max Operating Altitude 5000 3048
Max Storage Altitude 12192
Dell U4021QW Apple Thunderbolt Display