Comparison between HP U28 4K HDR vs Gigabyte M28U

General Info
Model Number	HP U28 4K HDR	Gigabyte M28U

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	HP	Gigabyte
Model Number	U28 4K HDR	M28U
Alias	1Z978AA
Display
Screen Size Class	28" (inches)	29" (inches)
Diagonal Size	27.9 in 70.9 cm 708.538 mm 2.32 ft	28.63 in 72.7 cm 727.2 mm 2.39 ft
Screen Width	24.45 in 62.1 cm 620.928 mm 2.04 ft	24.88 in 63.2 cm 631.928 mm 2.07 ft
Screen Height	13.44 in 34.1 cm 341.28 mm 1.12 ft	14.16 in 36 cm 359.78 mm 1.18 ft
Display Type	IPS	IPS
Display Bit Depth	10 bits (8 bits + FRC)	8 bits
Frame Rate Control	Yes
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.116 mm	0.16 mm
Screen Pixel Density	157 ppi	154 ppi
Screen-to-Body Ratio	89.61 %	95.94 %
Backlight Source	W-LED	W-LED
DCI P3	93%	94%
sRGB	100 %	120 %
Screen Brightness	400 cd/m²	300 cd/m²
Max Screen Brightness		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	4 ms	2 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
HDR	HDR	DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	1.71 in 4.3 cm 43.4 mm 0.14 ft	2.48 in 6.3 cm 63.1 mm 0.21 ft
Case Weight		5.18 kg 11 lbs
Case Width with Stand	25.08 in 63.7 cm 637.1 mm 2.09 ft	25.06 in 63.7 cm 636.5 mm 2.09 ft
Case Height with Stand	20.92 in 53.1 cm 531.4 mm 1.74 ft	14.96 in 38 cm 380 mm 1.25 ft
Case Depth with Stand	7.48 in 19 cm 189.9 mm 0.62 ft	7.62 in 19.4 cm 193.6 mm 0.64 ft
Case Weight with Stand	6.35 kg 14 lbs	6.93 kg 15 lbs
Case Color	Black	Black
Hardware
Internal Storage	8
Built-in Camera	No	No
Connectivity	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)	1 x USB 3.0 (Type-C; upstream) 2 x HDMI 2.1 1 x 3.5 mm Audio Out 1 x DisplayPort 1.3 (DSC) 3 x USB 3.0 (Type-A; downstream; BC 1.2 charging at 5V/1.5A) 1 x USB 3.0 (Type-B; upstream)
Audio
Audio Speakers	2 x 3W	2 x 3W
Features
Cool Features	Flicker-free technology Low Blue Light	Flicker-free technology GameAssist (Aim Stabilizer / Crosshair / Alignment / Dashboard / Black Equalizer / Timer / Counter / Auto-Update) Low Blue Light Smart OD OSD Sidekick KVM Switch 6-axis color control AMD FreeSync Premium Pro
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	25.08 in 63.7 cm 637.1 mm 2.09 ft	25.06 in 63.7 cm 636.5 mm 2.09 ft
Case Height	14.61 in 37.1 cm 371.2 mm 1.22 ft	14.66 in 37.2 cm 372.3 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	No
Left Pivot	90 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	23 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	23 Hz - 75 Hz	48 Hz - 144 Hz
Horizontal Digital Frequency	30 kHz - 140 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB Type-C cable	DisplayPort cable HDMI cable USB cable
Certificates and Standards
Licenses	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	Eyesafe certified TÜV Rheinland Flicker-free certified TÜV Rheinland Low Blue Light certified
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	20 % - 80 %

HP U28 4K HDR

Gigabyte M28U