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Comparison between Iiyama ProLite X4071UHSU vs Dell U3821DW

General Info
Model Number Iiyama ProLite X4071UHSU Dell U3821DW
Price
Type Monitor Monitor
Year 2015 2021
Brand Iiyama Dell
Model Series UltraSharp
Model Number ProLite X4071UHSU U3821DW
Alias X4071UHSU-B1
Display
Screen Size Class 40" (inches) 38" (inches)
Diagonal Size 39.49 in
100.3 cm
1003 mm
3.29 ft
37.52 in
95.3 cm
952.9 mm
3.13 ft
Screen Width 34.57 in
87.8 cm
878.112 mm
2.88 ft
35.04 in
89 cm
890 mm
2.92 ft
Screen Height 19.11 in
48.5 cm
485.352 mm
1.59 ft
15.27 in
38.8 cm
387.8 mm
1.27 ft
Display Curvature 2300
Display Manufacturer Innolux
Display Type Super MVA IPS
Display Bit Depth 10 bits (8 bits + FRC) 10 bits
Frame Rate Control Yes
Max Number of Colors 1073741824 1073741824
Bits 30 30
Screen Aspect Ratio 16:9 24:10
Screen Resolution 3840 x 2160 3840 x 1600
Screen Pixel Pitch 0.225 mm 0.229 mm
Screen Pixel Density 111 ppi 109 ppi
Screen-to-Body Ratio 90.33 % 98.38 %
Backlight Source W-LED W-LED
DCI P3 95%
sRGB 100 % 100 %
Adobe RGB 1998 88 %
NTSC 1953 86 %
Screen Brightness 350 cd/m² 300 cd/m²
Static Screen Contrast 5000 : 1 1000 : 1
Dynamic Screen Contrast 12000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 20 ms
Display Minimum Response Time 3 ms 5 ms
Display Average Response Time 8.5 ms 8 ms
Display Maximum Response Time 30 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
HDR DisplayHDR 600
3D No No
Size, weight, color
Case Depth 2.05 in
5.2 cm
52 mm
0.17 ft
4.03 in
10.2 cm
102.4 mm
0.34 ft
Case Weight 8.8 kg
19 lbs
Case Width with Stand 35.69 in
90.7 cm
906.5 mm
2.97 ft
35.21 in
89.4 cm
894.3 mm
2.93 ft
Case Height with Stand 22.83 in
58 cm
580 mm
1.9 ft
17.47 in
44.4 cm
443.8 mm
1.46 ft
Case Depth with Stand 9.39 in
23.9 cm
238.5 mm
0.78 ft
9.89 in
25.1 cm
251.2 mm
0.82 ft
Case Weight with Stand 12.2 kg
27 lbs
13.6 kg
30 lbs
Case Color Black Black
Hardware
Built-in Camera No No
Connectivity 1 x HDMI 1.4 (MHL)
2 x HDMI 2.0
1 x D-sub
1 x 3.5 mm Audio Out
1 x 3.5 mm Audio In
1 x DisplayPort 1.2
1 x USB 3.0 (upstream)
1 x RS232 (C)
2 x USB 3.0 (downstream)
1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode)
4 x USB 3.2 (Type-A; Gen 1; downstream)
2 x HDMI 2.0
1 x 3.5 mm Audio Out (line-out for speakers)
1 x DisplayPort 1.4
1 x Ethernet RJ45
1 x USB 3.2 (Type-B; Gen 1; upstream)
1 x USB 3.2 (Type-C; downstream)
Audio
Audio Speakers 2 x 6W 2 x 9W
Features
Cool Features HDCP (High-bandwidth Digital Content Protection)
Low Blue light
Picture-in-Picture
Picture-by-Picture
EcoModes
Flicker-free technology
Low Blue Light
Picture-by-Picture
Picture-in-Picture
Flicker-free technology
KVM Switch
Extra Features Anti-theft stand lock slot - Kensington Security lock slot
Ergonomics
Case Width 35.69 in
90.7 cm
906.5 mm
2.97 ft
35.21 in
89.4 cm
894.3 mm
2.93 ft
Case Height 20.49 in
52.1 cm
520.5 mm
1.71 ft
15.44 in
39.2 cm
392.3 mm
1.29 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 200 x 200 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment No Yes
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 No Yes
Left Swivel 30 °
Right Swivel 30 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 4 ° 5 °
Backward Tilt 7 ° 21 °
Frequency and Interpolation
Vertical Digital Frequency 24 Hz - 75 Hz 56 Hz - 76 Hz
Horizontal Digital Frequency 30 kHz - 135 kHz 30 kHz - 100 kHz
Screen Interpolation Measurement Unit NULL
Accessories
Extras Audio cable
DisplayPort cable
HDMI cable
Remote control
USB 3.0 cable
DisplayPort cable
HDMI cable
USB Type-C cable
USB Type-B 3.2 Gen 1 cable
Certificates and Standards
Licenses CE
ENERGY STAR
PSE
TÜV/GS
VCCI-B
ENERGY STAR 8.0
EPEAT Gold
RoHS
TAA Availability
TCO Certified Displays
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 % - 85 % 5 % - 90 %
Max Operating Altitude 5000
Max Storage Altitude 12192
Iiyama ProLite X4071UHSU Dell U3821DW