Comparison between Acer PE270K vs Acer XB271HK

General Info
Model Number	Acer PE270K	Acer XB271HK

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2015
Brand	Acer	Acer
Model Number	PE270K	XB271HK
Alias	PE270K bmiipruzx	XB271HK bmiprz
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	23.47 in 59.6 cm 596.16 mm 1.96 ft	23.47 in 59.6 cm 596.16 mm 1.96 ft
Screen Height	13.2 in 33.5 cm 335.32 mm 1.1 ft	13.2 in 33.5 cm 335.34 mm 1.1 ft
Display Manufacturer		AU Optronics
Display Type	IPS	AHVA IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits
Frame Rate Control	Yes	No
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	0.155 mm	0.155 mm
Screen Pixel Density	163 ppi	163 ppi
Screen-to-Body Ratio	91.97 %	88.3 %
Backlight Source	W-LED	W-LED
DCI P3	75%
sRGB	99 %	100 %
Adobe RGB 1998	75 %
NTSC 1953	72 %	72 %
Screen Brightness	350 cd/m²	300 cd/m²
Static Screen Contrast	1300 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	18 ms	4 ms
Display Minimum Response Time	4 ms	4 ms
Display Average Response Time	15 ms	8 ms
Display Maximum Response Time	20 ms	12 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.28 in 5.8 cm 58 mm 0.19 ft	2.4 in 6.1 cm 61 mm 0.2 ft
Case Weight	4.46 kg 10 lbs	4.6 kg 10 lbs
Case Width with Stand	24.17 in 61.4 cm 614 mm 2.01 ft	24.2 in 61.5 cm 614.7 mm 2.02 ft
Case Height with Stand	16.02 in 40.7 cm 407 mm 1.34 ft	15.8 in 40.1 cm 401.3 mm 1.32 ft
Case Depth with Stand	8.15 in 20.7 cm 207 mm 0.68 ft	10.57 in 26.8 cm 268.4 mm 0.88 ft
Case Weight with Stand	7.22 kg 16 lbs	7 kg 15 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.0 (downstream) 1 x USB 3.1 (Type-C)	1 x HDMI 1.4 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)
Audio
Audio Speakers	2 x 2W	2 x 2W
Features
Cool Features	Flicker-free technology HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Blue Light Filter	Flicker-free technology Nvidia G-SYNC Technology
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.17 in 61.4 cm 614 mm 2.01 ft	24.2 in 61.5 cm 614.7 mm 2.02 ft
Case Height	13.94 in 35.4 cm 354 mm 1.16 ft	14.5 in 36.8 cm 368.3 mm 1.21 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	115 mm 11.5 cm 4.5276 in 0.3773 ft	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	30 °
Right Swivel	45 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	20 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 160 kHz
Accessories
Extras	DisplayPort cable - optional HDMI cable - optional Hood USB Type-C cable - optional	DisplayPort cable HDMI cable USB 3.0 cable
Certificates and Standards
Licenses	ENERGY STAR 7.0 ErP TCO Certified Displays 7.0	ENERGY STAR ErP TCO Certified Displays 6.0
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	10 % - 85 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F

Acer PE270K

Acer XB271HK