Comparison between Samsung U28R55 vs HP Z27k G3 4K

General Info
Model Number	Samsung U28R55	HP Z27k G3 4K

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2021
Brand	Samsung	HP
Model Series	UR55
Model Number	U28R55	Z27k G3 4K
Alias	U28R550 U28R55U0	1B9T0AA
Display
Screen Size Class	28" (inches)	27" (inches)
Diagonal Size	28 in 71.1 cm 711.2 mm 2.33 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	24.45 in 62.1 cm 620.928 mm 2.04 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.44 in 34.1 cm 341.28 mm 1.12 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.16 mm	0.155 mm
Screen Pixel Density	157 ppi	163 ppi
Screen-to-Body Ratio	88.7 %	91.89 %
Backlight Source	W-LED	W-LED
DCI P3		85%
sRGB		99 %
Screen Brightness	300 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		10000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time		14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	2.52 in 6.4 cm 64 mm 0.21 ft	1.53 in 3.9 cm 38.9 mm 0.13 ft
Case Weight	5 kg 11 lbs	4.5 kg 10 lbs
Case Width with Stand	25.15 in 63.9 cm 638.8 mm 2.1 ft	24.11 in 61.2 cm 612.3 mm 2.01 ft
Case Height with Stand	18.87 in 47.9 cm 479.3 mm 1.57 ft	14.97 in 38 cm 380.3 mm 1.25 ft
Case Depth with Stand	9.86 in 25.1 cm 250.5 mm 0.82 ft	8.07 in 20.5 cm 205 mm 0.67 ft
Case Weight with Stand	5.8 kg 13 lbs	6.2 kg 14 lbs
Case Color	Dark Blue Gray	Turbo Silver
Hardware
Built-in Camera	No	No
Network		LAN
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2	1 x Ethernet RJ45 1 x HDMI 2.0 1 x DisplayPort 1.4 (out) 1 x DisplayPort 1.4 (in) 1 x USB (Type-C; upstream; 100W; DP Alt Mode) 4 x USB 3.2 (Type-A; Gen 1; downstream)
Audio
Audio Speakers	2 x 4W
Features
Cool Features	Samsung MagicUpscale Eco Saving Plus Off Timer Plus Flicker Free Picture-by-Picture Picture-in-Picture Eye Saver Mode AMD Radeon FreeSync Technology Image Size Samsung MagicBright Easy Setting Box	Low Blue Light Picture-by-Picture Picture-in-Picture 4-sided Micro Edge Design Flicker-free technology
Extra Features		Security lock slot
Ergonomics
Case Width	25.15 in 63.9 cm 638.8 mm 2.1 ft	24.11 in 61.2 cm 612.3 mm 2.01 ft
Case Height	14.72 in 37.4 cm 374 mm 1.23 ft	14.02 in 35.6 cm 356 mm 1.17 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	75 x 75	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		0 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		45 °
Right Swivel		45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	2 °	5 °
Backward Tilt	15 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 60 Hz	50 Hz - 60 Hz
Horizontal Digital Frequency		30 kHz - 90 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras		DisplayPort cable USB Type-A to Type-B cable
Certificates and Standards
Licenses	Windows 10 Certification TÜV Rheinland Eye Comfort 2.0 Certification	Australian-New Zealand MEPS; BIS BSMI CB CCC CE CECP CEL cTUVus EAC ENERGY STAR FCC GS Mark ISO 9241-307 KC/KCC NOM PSB SEPA TCO Certified TCO Certified Edge TUV-S VCCI WEEE Ukraine Energy label WW application UAE
Usage and Storage Requirements
Safe Operating Temperature Level	10 °C - 40 °C 50 °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 % - 95 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Samsung U28R55

HP Z27k G3 4K