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Comparison between Dell U2520D vs Dell UltraSharp U3415W

General Info
Model Number Dell U2520D Dell UltraSharp U3415W
Price
Type Monitor Monitor
Year 2020 2014
Brand Dell Dell
Model Series UltraSharp
Model Number U2520D UltraSharp U3415W
Alias UltraSharp U2520D
Display
Screen Size Class 25" (inches) 34" (inches)
Diagonal Size 24.98 in
63.4 cm
634.4 mm
2.08 ft
34 in
86.4 cm
863.6 mm
2.83 ft
Screen Width 21.77 in
55.3 cm
552.96 mm
1.81 ft
31.43 in
79.8 cm
798.2 mm
2.62 ft
Screen Height 12.25 in
31.1 cm
311.04 mm
1.02 ft
13.18 in
33.5 cm
334.8 mm
1.1 ft
Display Curvature 3800
Display Manufacturer LG Display
Display Type IPS AH-IPS
Display Bit Depth 8 bits 10 bits (8 bits + FRC)
Frame Rate Control No Yes
Max Number of Colors 16777216 1073741824
Bits 24 30
Screen Aspect Ratio 16:9 21:9
Screen Resolution 2560 x 1440 3440 x 1440
Screen Pixel Pitch 0.216 mm 0.233 mm
Screen Pixel Density 117 ppi 109 ppi
Screen-to-Body Ratio 91.23 % 87.11 %
Backlight Source W-LED W-LED
DCI P3 95%
sRGB 99 % 99 %
NTSC 1953 72 %
Screen Brightness 350 cd/m² 300 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Dynamic Screen Contrast 2000000 : 1
Screen Horizontal Viewing Angle 178 ° 172 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 25.6 ms
Display Minimum Response Time 5 ms 5 ms
Display Average Response Time 8 ms
Display Maximum Response Time 8 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
HDR DisplayHDR 400
3D No No
Size, weight, color
Case Depth 1.96 in
5 cm
49.9 mm
0.16 ft
2.89 in
7.3 cm
73.3 mm
0.24 ft
Case Weight 4.2 kg
9 lbs
8.44 kg
19 lbs
Case Width with Stand 22.35 in
56.8 cm
567.7 mm
1.86 ft
32.47 in
82.5 cm
824.7 mm
2.71 ft
Case Height with Stand 15.07 in
38.3 cm
382.9 mm
1.26 ft
16.09 in
40.9 cm
408.7 mm
1.34 ft
Case Depth with Stand 7.28 in
18.5 cm
185 mm
0.61 ft
8.5 in
21.6 cm
216 mm
0.71 ft
Case Weight with Stand 6.4 kg
14 lbs
10.8 kg
24 lbs
Case Color Black Black, Silver
Hardware
Built-in Camera No No
Connectivity 1 x USB 3.0 (Type-C; 90W; DisplayPort)
1 x USB 3.0 (Type-C; Gen 1; downstream; 15W)
1 x DisplayPort 1.4 (in)
1 x 3.5 mm Audio Out
1 x DisplayPort 1.4 (out)
1 x HDMI 2.0 (CEC)
1 x USB 3.0 (downstream; BC 1.2 charging at 2A)
2 x USB 3.0 (Type-A; downstream)
1 x HDMI 2.0
1 x HDMI 2.0 (MHL 2.0)
1 x DisplayPort (Output MST)
1 x 3.5 mm Audio Out
1 x DisplayPort 1.2
1 x DisplayPort (Input mini)
4 x USB 3.0 (downstream)
2 x USB 3.0 (upstream)
Audio
Audio Speakers 2 x 9W
Features
Cool Features Flicker-free technology
Low Blue Light
Extra Features Security lock slot
Anti-theft stand lock slot
Anti-theft stand lock slot
Security lock slot
Ergonomics
Case Width 22.35 in
56.8 cm
567.7 mm
1.86 ft
32.47 in
82.5 cm
824.7 mm
2.71 ft
Case Height 13.07 in
33.2 cm
332.1 mm
1.09 ft
14.65 in
37.2 cm
372 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 130 mm
13 cm
5.1181 in
0.4265 ft
115 mm
11.5 cm
4.5276 in
0.3773 ft
Landscape or Portrait Pivot Support Yes No
Left Pivot 90 °
Right Pivot 90 °
Left or Right Swivel Support Yes Yes
Left Swivel 45 ° 45 °
Right Swivel 45 ° 45 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 21 °
Frequency and Interpolation
Vertical Digital Frequency 60 Hz 45 Hz - 60 Hz
Horizontal Digital Frequency 30 kHz - 89 kHz
Screen Interpolation Measurement Unit NULL
Accessories
Extras DisplayPort cable
USB Type-C to Type-C cable
USB Type-C to Type-A cable
DisplayPort cable - mini-DP to DP
Factory calibration report
HDMI cable
USB 3.0 upstream cable
Certificates and Standards
Licenses BFR-free
CEL
ENERGY STAR 6.0
EPEAT
Mercury-free
NFPA 99
PVC-free
RoHS Compliant
TCO Certified Displays
ENERGY STAR 6.0
Epeat Gold
RoHS Compliant
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 U2520D Dell UltraSharp U3415W