Comparison between Acer XB280HK vs HP Z27k G3 4K

General Info
Model Number	Acer XB280HK	HP Z27k G3 4K

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2021
Brand	Acer	HP
Model Number	XB280HK	Z27k G3 4K
Alias	Predator XB280HKbprz	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 620.93 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 Manufacturer	Innolux
Display Type	TN	IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	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	0.162 mm	0.155 mm
Screen Pixel Density	157 ppi	163 ppi
Screen-to-Body Ratio	84.26 %	91.89 %
Backlight Source	W-LED	W-LED
DCI P3		85%
sRGB		99 %
NTSC 1953	72 %
Screen Brightness	300 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1	10000000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	160 °	178 °
Display Minimum Response Time	1 ms	5 ms
Display Average Response Time	4 ms	14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	2.54 in 6.5 cm 64.5 mm 0.21 ft	1.53 in 3.9 cm 38.9 mm 0.13 ft
Case Weight	5.2 kg 11 lbs	4.5 kg 10 lbs
Case Width with Stand	25.93 in 65.9 cm 658.7 mm 2.16 ft	24.11 in 61.2 cm 612.3 mm 2.01 ft
Case Height with Stand	16.08 in 40.9 cm 408.5 mm 1.34 ft	14.97 in 38 cm 380.3 mm 1.25 ft
Case Depth with Stand	9.63 in 24.5 cm 244.7 mm 0.8 ft	8.07 in 20.5 cm 205 mm 0.67 ft
Case Weight with Stand	7.8 kg 17 lbs	6.2 kg 14 lbs
Case Color	Black	Turbo Silver
Hardware
Built-in Camera	No	No
Network		LAN
Connectivity	1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	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
Features
Cool Features	Nvidia G-SYNC Technology Flicker-free technology HDCP (High-bandwidth Digital Content Protection)	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	25.93 in 65.9 cm 658.7 mm 2.16 ft	24.11 in 61.2 cm 612.3 mm 2.01 ft
Case Height	15.03 in 38.2 cm 381.8 mm 1.25 ft	14.02 in 35.6 cm 356 mm 1.17 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	150 mm 15 cm 5.9055 in 0.4921 ft	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	0 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	60 °	45 °
Right Swivel	60 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	55 Hz - 75 Hz	50 Hz - 60 Hz
Horizontal Digital Frequency	30 kHz - 80 kHz	30 kHz - 90 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cablee USB 3.0 upstream cable	DisplayPort cable USB Type-A to Type-B cable
Certificates and Standards
Licenses	ENERGY STAR ErP TCO Certified Displays 6.0	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		5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level		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

Acer XB280HK

HP Z27k G3 4K