Comparison between ViewSonic VA2459-smh vs HP U28 4K HDR

General Info
Model Number	ViewSonic VA2459-smh	HP U28 4K HDR

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Type	Monitor	Monitor
Year	2017	2020
Brand	ViewSonic	HP
Model Number	VA2459-smh	U28 4K HDR
Alias		1Z978AA
Display
Screen Size Class	24" (inches)	28" (inches)
Diagonal Size	23.78 in 60.4 cm 604 mm 1.98 ft	27.9 in 70.9 cm 708.538 mm 2.32 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	24.45 in 62.1 cm 620.928 mm 2.04 ft
Screen Height	11.28 in 28.6 cm 286.46 mm 0.94 ft	13.44 in 34.1 cm 341.28 mm 1.12 ft
Display Manufacturer	LG Display
Display Type	AH-IPS	IPS
Display Bit Depth	8 bits (6 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	3840 x 2160
Screen Pixel Pitch	0.275 mm	0.116 mm
Screen Pixel Density	92 ppi	157 ppi
Screen-to-Body Ratio	86.28 %	89.61 %
Backlight Source	W-LED	W-LED
DCI P3		93%
sRGB		100 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	7 ms	4 ms
Display Average Response Time	14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		HDR
3D	No	No
Size, weight, color
Case Depth	1.79 in 4.6 cm 45.5 mm 0.15 ft	1.71 in 4.3 cm 43.4 mm 0.14 ft
Case Weight	2.8 kg 6 lbs
Case Width with Stand	21.28 in 54 cm 540.4 mm 1.77 ft	25.08 in 63.7 cm 637.1 mm 2.09 ft
Case Height with Stand	15.35 in 39 cm 389.9 mm 1.28 ft	20.92 in 53.1 cm 531.4 mm 1.74 ft
Case Depth with Stand	7.87 in 20 cm 200 mm 0.66 ft	7.48 in 19 cm 189.9 mm 0.62 ft
Case Weight with Stand	3.3 kg 7 lbs	6.35 kg 14 lbs
Case Color	Black	Black
Hardware
Internal Storage		8
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub	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 2W	2 x 3W
Features
Cool Features	Blue Light Filter Flicker-free technology	Flicker-free technology Low Blue Light
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	21.28 in 54 cm 540.4 mm 1.77 ft	25.08 in 63.7 cm 637.1 mm 2.09 ft
Case Height	12.75 in 32.4 cm 323.8 mm 1.06 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	No	Yes
Height Adjustment	No	Yes
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	22 °	23 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 76 Hz	23 Hz - 75 Hz
Horizontal Digital Frequency	24 kHz - 83 kHz	30 kHz - 140 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	Audio cable D-sub cable	DisplayPort cable HDMI cable USB Type-C cable
Certificates and Standards
Licenses	BSMI CB CCC CE EMC ENERGY STAR 7.0 ErP FCC Class B RoHS SASO UL/cUL VCCI WEEE	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	20 % - 90 %	20 % - 80 %

ViewSonic VA2459-smh

HP U28 4K HDR