Comparison between Dell UltraSharp U2518D vs Acer HA270

General Info
Model Number	Dell UltraSharp U2518D	Acer HA270

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2018
Brand	Dell	Acer
Model Number	UltraSharp U2518D	HA270
Display
Screen Size Class	25" (inches)	27" (inches)
Diagonal Size	24.98 in 63.4 cm 634.4 mm 2.08 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	21.77 in 55.3 cm 552.96 mm 1.81 ft	23.54 in 59.8 cm 597.888 mm 1.96 ft
Screen Height	12.25 in 31.1 cm 311.04 mm 1.02 ft	13.24 in 33.6 cm 336.312 mm 1.1 ft
Display Manufacturer	LG Display
Display Type	AH-IPS	IPS
Display Bit Depth	8 bits	8 bits (6 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	1920 x 1080
Screen Pixel Pitch	0.216 mm	0.311 mm
Screen Pixel Density	117 ppi	81 ppi
Screen-to-Body Ratio	91.41 %	87.04 %
Backlight Source	W-LED	W-LED
DCI P3	79.3%
sRGB	99 %
Adobe RGB 1998	65 %
NTSC 1953		72 %
Screen Brightness	350 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	2000000 : 1	100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	5 ms
Display Minimum Response Time	5 ms	4 ms
Display Average Response Time	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	1.94 in 4.9 cm 49.2 mm 0.16 ft	1.34 in 3.4 cm 34 mm 0.11 ft
Case Weight	3.44 kg 8 lbs	3.22 kg 7 lbs
Case Width with Stand	22.35 in 56.8 cm 567.6 mm 1.86 ft	24.45 in 62.1 cm 621 mm 2.04 ft
Case Height with Stand	15.64 in 39.7 cm 397.2 mm 1.3 ft	17.87 in 45.4 cm 454 mm 1.49 ft
Case Depth with Stand	7.88 in 20 cm 200.1 mm 0.66 ft	7.32 in 18.6 cm 186 mm 0.61 ft
Case Weight with Stand	6.24 kg 14 lbs	3.6 kg 8 lbs
Case Color	Silver	White
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.0 (upstream) 1 x HDMI 2.0 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (Output MST) 1 x DisplayPort 1.2 2 x USB 3.0 (charger - 5V/2.0A) 2 x USB 3.0 (downstream)	1 x HDMI 1.4 1 x D-sub
Audio
Features
Cool Features	Low Blue Light Flicker-free technology HDCP (High-bandwidth Digital Content Protection)	AMD FreeSync technology HDCP (High-bandwidth Digital Content Protection)
Extra Features	Anti-theft stand lock slot Security lock slot
Ergonomics
Case Width	22.35 in 56.8 cm 567.6 mm 1.86 ft	24.45 in 62.1 cm 621 mm 2.04 ft
Case Height	13.05 in 33.2 cm 331.5 mm 1.09 ft	14.65 in 37.2 cm 372 mm 1.22 ft
Vesa Mount Support	Yes	No
VESA Interface Standard Size	100 x 100	75 x 75
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
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
Left Swivel	45 °
Right Swivel	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 76 Hz	50 Hz - 76 Hz
Horizontal Digital Frequency	30 kHz - 144 kHz	55 kHz - 83 kHz
Accessories
Extras	DisplayPort cable - mini-DP to DP Factory calibration report USB 3.0 upstream cable	D-sub cable
Certificates and Standards
Licenses	ENERGY STAR Epeat Gold RoHS Compliant TCO Certified Displays	ENERGY STAR ErP
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 35 °C 32 °F - 95 °F
Safe Operating Humidity Level	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Dell UltraSharp U2518D

Acer HA270