Comparison between Lenovo L28u-30 vs HP Z27n

General Info
Model Number	Lenovo L28u-30	HP Z27n

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2015
Brand	Lenovo	HP
Model Number	L28u-30	Z27n
Alias	65FAGAC2	7C09A4
Display
Screen Size Class	28" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	24.88 in 63.2 cm 631.928 mm 2.07 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	14.16 in 36 cm 359.78 mm 1.18 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer		LG Display
Display Type	IPS	AH3-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	2560 x 1440
Screen Pixel Pitch	0.161 mm	0.233 mm
Screen Pixel Density	154 ppi	109 ppi
Screen-to-Body Ratio	95.52 %	89.55 %
Backlight Source	W-LED	W-LED
DCI P3	90%
sRGB	99 %	99 %
Screen Brightness	250 cd/m²	350 cd/m²
Max Screen Brightness	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 1	5000000 : 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	6 ms	14 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	1.94 in 4.9 cm 49.2 mm 0.16 ft	2.12 in 5.4 cm 53.9 mm 0.18 ft
Case Weight	4.58 kg 10 lbs	5.1 kg 11 lbs
Case Width with Stand	25.08 in 63.7 cm 636.94 mm 2.09 ft	24.19 in 61.4 cm 614.3 mm 2.02 ft
Case Height with Stand	17.75 in 45.1 cm 450.82 mm 1.48 ft	15.89 in 40.4 cm 403.7 mm 1.32 ft
Case Depth with Stand	8.66 in 22 cm 219.98 mm 0.72 ft	8.59 in 21.8 cm 218.2 mm 0.72 ft
Case Weight with Stand	5.2 kg 11 lbs	7.66 kg 17 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2	1 x HDMI 1.4 (MHL 2.0) 1 x DisplayPort 1.2 1 x DisplayPort 1.2 (Output) 1 x 3.5 mm Audio Out 1 x DVI-D Dual Link 1 x DisplayPort 1.2 (Input mini) 4 x USB 3.0 (downstream) 2 x USB 3.0 (upstream)
Audio
Features
Cool Features	Flicker-free technology Low Blue Light 3-side NearEdgeless design AMD FreeSync technology	Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	25.08 in 63.7 cm 636.94 mm 2.09 ft	24.19 in 61.4 cm 614.3 mm 2.02 ft
Case Height	14.71 in 37.4 cm 373.68 mm 1.23 ft	14.33 in 36.4 cm 364.1 mm 1.19 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
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	5 °	5 °
Backward Tilt	22 °	22 °
Frequency and Interpolation
Vertical Digital Frequency		50 Hz - 60 Hz
Horizontal Digital Frequency		30 kHz - 90 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	HDMI cable	DisplayPort cable DisplayPort cable - mini-DP to DP USB 3.0 cable
Certificates and Standards
Licenses	CCC China Energy Efficiency Standard Tier 1 ENERGY STAR 8.0 EPEAT Gold Eyesafe Display Certification RoHS (EU 2002/95/EC) TÜV Rheinland Eye Comfort Windows Certification	BSMI CB CCC CE CSA EAC ENERGY STAR 6.0 Epeat Gold FCC Class B GEMS IS 1121 ISC KCC MEPS NOM PSB RCM SABS SASO TÜV/GS VCCI-B WHQL (Windows 10)
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 45 °C 32 °F - 113 °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	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %	5 % - 95 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Lenovo L28u-30

HP Z27n