Comparison between Acer XB270HU vs Dell UltraSharp U4919DW

General Info
Model Number	Acer XB270HU	Dell UltraSharp U4919DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2015	2018
Brand	Acer	Dell
Model Number	XB270HU	UltraSharp U4919DW
Alias	XB270HUbprz
Display
Screen Size Class	27" (inches)	49" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	49 in 124.5 cm 1244.6 mm 4.08 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	47.17 in 119.8 cm 1198.08 mm 3.93 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.27 in 33.7 cm 336.96 mm 1.11 ft
Display Curvature		3800
Display Manufacturer	AU Optronics	LG Display
Display Type	AHVA IPS	IPS
Display Bit Depth	8 bits	10 bits
Frame Rate Control	No	No
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	36:10
Screen Resolution	2560 x 1440	5120 x 1440
Screen Pixel Pitch	0.233 mm	0.234 mm
Screen Pixel Density	109 ppi	108 ppi
Screen-to-Body Ratio	82.15 %	89.55 %
Backlight Source	W-LED	W-LED
sRGB		99 %
Adobe RGB 1998		75 %
NTSC 1953	72 %	72 %
Screen Brightness	350 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	3 ms	10 ms
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time	9 ms	8 ms
Display Maximum Response Time	11.3 ms	15 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.4 in 6.1 cm 61 mm 0.2 ft	4.3 in 10.9 cm 109.3 mm 0.36 ft
Case Weight	4.4 kg 10 lbs	11.4 kg 25 lbs
Case Width with Stand	25.2 in 64 cm 640 mm 2.1 ft	47.84 in 121.5 cm 1215.1 mm 3.99 ft
Case Height with Stand	21.97 in 55.8 cm 558 mm 1.83 ft	18.06 in 45.9 cm 458.6 mm 1.5 ft
Case Depth with Stand	9.72 in 24.7 cm 247 mm 0.81 ft	9.94 in 25.3 cm 252.6 mm 0.83 ft
Case Weight with Stand	7 kg 15 lbs	17.2 kg 38 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x USB 3.0 (charger - 5V/2.0A) 1 x USB 3.1 (Type-C) 1 x DisplayPort 1.4 2 x HDMI 2.0 2 x USB 3.0 (upstream) 4 x USB 3.0 (downstream)
Audio
Features
Cool Features	Nvidia G-SYNC Technology Nvidia ULMB (Ultra Low Motion Blur) Flicker-free technology HDCP (High-bandwidth Digital Content Protection)	HDCP (High-bandwidth Digital Content Protection) 2.2 Picture-by-Picture Blue Light Filter Flicker-free technology
Extra Features		Security lock slot
Ergonomics
Case Width	25.2 in 64 cm 640 mm 2.1 ft	47.84 in 121.5 cm 1215.1 mm 3.99 ft
Case Height	15 in 38.1 cm 381 mm 1.25 ft	14.61 in 37.1 cm 371 mm 1.22 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	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	Yes
Left Swivel	60 °	170 °
Right Swivel	60 °	170 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	30 Hz - 144 Hz	24 Hz - 86 Hz
Horizontal Digital Frequency		25 kHz - 115 kHz
Accessories
Extras	DisplayPort cable	DisplayPort cable HDMI cable USB 3.0 upstream cable USB Type-C cable
Certificates and Standards
Licenses	ENERGY STAR	ENERGY STAR 7.0 RoHS TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 40 °C 32 °F - 104 °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

Acer XB270HU

Dell UltraSharp U4919DW