Comparison between Dell UltraSharp U4919DW vs Acer XB270HU

General Info
Model Number	Dell UltraSharp U4919DW	Acer XB270HU

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2015
Brand	Dell	Acer
Model Number	UltraSharp U4919DW	XB270HU
Alias		XB270HUbprz
Display
Screen Size Class	49" (inches)	27" (inches)
Diagonal Size	49 in 124.5 cm 1244.6 mm 4.08 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	47.17 in 119.8 cm 1198.08 mm 3.93 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.27 in 33.7 cm 336.96 mm 1.11 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Curvature	3800
Display Manufacturer	LG Display	AU Optronics
Display Type	IPS	AHVA IPS
Display Bit Depth	10 bits	8 bits
Frame Rate Control	No	No
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	36:10	16:9
Screen Resolution	5120 x 1440	2560 x 1440
Screen Pixel Pitch	0.234 mm	0.233 mm
Screen Pixel Density	108 ppi	109 ppi
Screen-to-Body Ratio	89.55 %	82.15 %
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	10 ms	3 ms
Display Minimum Response Time	5 ms	4 ms
Display Average Response Time	8 ms	9 ms
Display Maximum Response Time	15 ms	11.3 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	4.3 in 10.9 cm 109.3 mm 0.36 ft	2.4 in 6.1 cm 61 mm 0.2 ft
Case Weight	11.4 kg 25 lbs	4.4 kg 10 lbs
Case Width with Stand	47.84 in 121.5 cm 1215.1 mm 3.99 ft	25.2 in 64 cm 640 mm 2.1 ft
Case Height with Stand	18.06 in 45.9 cm 458.6 mm 1.5 ft	21.97 in 55.8 cm 558 mm 1.83 ft
Case Depth with Stand	9.94 in 25.3 cm 252.6 mm 0.83 ft	9.72 in 24.7 cm 247 mm 0.81 ft
Case Weight with Stand	17.2 kg 38 lbs	7 kg 15 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	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)	1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)
Audio
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) 2.2 Picture-by-Picture Blue Light Filter Flicker-free technology	Nvidia G-SYNC Technology Nvidia ULMB (Ultra Low Motion Blur) Flicker-free technology HDCP (High-bandwidth Digital Content Protection)
Extra Features	Security lock slot
Ergonomics
Case Width	47.84 in 121.5 cm 1215.1 mm 3.99 ft	25.2 in 64 cm 640 mm 2.1 ft
Case Height	14.61 in 37.1 cm 371 mm 1.22 ft	15 in 38.1 cm 381 mm 1.25 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	130 mm 13 cm 5.1181 in 0.4265 ft	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	170 °	60 °
Right Swivel	170 °	60 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	24 Hz - 86 Hz	30 Hz - 144 Hz
Horizontal Digital Frequency	25 kHz - 115 kHz
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 upstream cable USB Type-C cable	DisplayPort cable
Certificates and Standards
Licenses	ENERGY STAR 7.0 RoHS TCO Certified Displays	ENERGY STAR
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

Dell UltraSharp U4919DW

Acer XB270HU