Comparison between Dell U2520D vs HP U28 4K HDR

General Info
Model Number	Dell U2520D	HP U28 4K HDR

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	Dell	HP
Model Series	UltraSharp
Model Number	U2520D	U28 4K HDR
Alias	UltraSharp U2520D	1Z978AA
Display
Screen Size Class	25" (inches)	28" (inches)
Diagonal Size	24.98 in 63.4 cm 634.4 mm 2.08 ft	27.9 in 70.9 cm 708.538 mm 2.32 ft
Screen Width	21.77 in 55.3 cm 552.96 mm 1.81 ft	24.45 in 62.1 cm 620.928 mm 2.04 ft
Screen Height	12.25 in 31.1 cm 311.04 mm 1.02 ft	13.44 in 34.1 cm 341.28 mm 1.12 ft
Display Type	IPS	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	16:9
Screen Resolution	2560 x 1440	3840 x 2160
Screen Pixel Pitch	0.216 mm	0.116 mm
Screen Pixel Density	117 ppi	157 ppi
Screen-to-Body Ratio	91.23 %	89.61 %
Backlight Source	W-LED	W-LED
DCI P3	95%	93%
sRGB	99 %	100 %
Screen Brightness	350 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms	4 ms
Display Average Response Time	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	DisplayHDR 400	HDR
3D	No	No
Size, weight, color
Case Depth	1.96 in 5 cm 49.9 mm 0.16 ft	1.71 in 4.3 cm 43.4 mm 0.14 ft
Case Weight	4.2 kg 9 lbs
Case Width with Stand	22.35 in 56.8 cm 567.7 mm 1.86 ft	25.08 in 63.7 cm 637.1 mm 2.09 ft
Case Height with Stand	15.07 in 38.3 cm 382.9 mm 1.26 ft	20.92 in 53.1 cm 531.4 mm 1.74 ft
Case Depth with Stand	7.28 in 18.5 cm 185 mm 0.61 ft	7.48 in 19 cm 189.9 mm 0.62 ft
Case Weight with Stand	6.4 kg 14 lbs	6.35 kg 14 lbs
Case Color	Black	Black
Hardware
Internal Storage		8
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 DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x USB (Type-C; upstream; 65W; DP Alt Mode) 3 x USB 3.2 (Type-A; Gen 1; downstream)
Audio
Audio Speakers		2 x 3W
Features
Cool Features	Flicker-free technology Low Blue Light	Flicker-free technology Low Blue Light
Extra Features	Security 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	25.08 in 63.7 cm 637.1 mm 2.09 ft
Case Height	13.07 in 33.2 cm 332.1 mm 1.09 ft	14.61 in 37.1 cm 371.2 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
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °
Right Swivel	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	23 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	23 Hz - 75 Hz
Horizontal Digital Frequency		30 kHz - 140 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable USB Type-C to Type-C cable USB Type-C to Type-A cable	DisplayPort cable HDMI cable USB Type-C cable
Certificates and Standards
Licenses	BFR-free CEL ENERGY STAR 6.0 EPEAT Mercury-free NFPA 99 PVC-free RoHS Compliant TCO Certified Displays	Australian-New Zealand MEPS BSMI CB CCC CE CECP CEL EAC ENERGY STAR FCC ISO 9241-307 KC/KCC NOM PSB SEPA TCO Certified TUV-S UL/CSA VCCI Vietnam MEPS WEEE ISC WW application ICE
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 %	20 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Dell U2520D

HP U28 4K HDR