Comparison between Lenovo ThinkVision X1 (2nd GEN) vs Dell UltraSharp U4919DW

General Info
Model Number	Lenovo ThinkVision X1 (2nd GEN)	Dell UltraSharp U4919DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2018	2018
Brand	Lenovo	Dell
Model Number	ThinkVision X1 (2nd GEN)	UltraSharp U4919DW
Alias	ThinkVision X1 (2018)
Display
Screen Size Class	27" (inches)	49" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	49 in 124.5 cm 1244.6 mm 4.08 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	47.17 in 119.8 cm 1198.08 mm 3.93 ft
Screen Height	13.21 in 33.6 cm 335.66 mm 1.1 ft	13.27 in 33.7 cm 336.96 mm 1.11 ft
Display Curvature		3800
Display Manufacturer		LG Display
Display Type	IPS	IPS
Display Bit Depth	10 bits	10 bits
Frame Rate Control	No	No
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	36:10
Screen Resolution	3840 x 2160	5120 x 1440
Screen Pixel Pitch	0.155 mm	0.234 mm
Screen Pixel Density	163 ppi	108 ppi
Screen-to-Body Ratio	93.4 %	89.55 %
Backlight Source	W-LED	W-LED
sRGB	99 %	99 %
Adobe RGB 1998		75 %
NTSC 1953		72 %
Screen Brightness	350 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		10 ms
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time	6 ms	8 ms
Display Maximum Response Time	14 ms	15 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.29 in 3.3 cm 32.7 mm 0.11 ft	4.3 in 10.9 cm 109.3 mm 0.36 ft
Case Weight	4.29 kg 9 lbs	11.4 kg 25 lbs
Case Width with Stand	24.01 in 61 cm 609.74 mm 2 ft	47.84 in 121.5 cm 1215.1 mm 3.99 ft
Case Height with Stand	18.69 in 47.5 cm 474.76 mm 1.56 ft	18.06 in 45.9 cm 458.6 mm 1.5 ft
Case Depth with Stand	9.24 in 23.5 cm 234.81 mm 0.77 ft	9.94 in 25.3 cm 252.6 mm 0.83 ft
Case Weight with Stand	5.59 kg 12 lbs	17.2 kg 38 lbs
Case Color	Black	Black
Hardware
Built-in Camera	Yes	No
Connectivity	1 x DisplayPort 1.2 1 x Thunderbolt 3.0 1 x 3.5 mm Audio Out 4 x USB 3.0 (downstream) 1 x HDMI 2.0	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	HDCP (High-bandwidth Digital Content Protection) Low Blue Light	HDCP (High-bandwidth Digital Content Protection) 2.2 Picture-by-Picture Blue Light Filter Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	24.01 in 61 cm 609.74 mm 2 ft	47.84 in 121.5 cm 1215.1 mm 3.99 ft
Case Height	13.85 in 35.2 cm 351.71 mm 1.15 ft	14.61 in 37.1 cm 371 mm 1.22 ft
Vesa Mount Support	No	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	Yes
Left Swivel		170 °
Right Swivel		170 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	30 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	23 Hz - 80 Hz	24 Hz - 86 Hz
Horizontal Digital Frequency	24 kHz - 60 kHz	25 kHz - 115 kHz
Accessories
Extras	HDMI cable USB Type-C cable USB Type-C to Type-A cable	DisplayPort cable HDMI cable USB 3.0 upstream cable USB Type-C cable
Certificates and Standards
Licenses	ENERGY STAR 7.0 FCC Class B RoHS TCO Certified Display 7.0 TÜV Eye Comfort WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)	ENERGY STAR 7.0 RoHS TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 45 °C 32 °F - 113 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Lenovo ThinkVision X1 (2nd GEN)

Dell UltraSharp U4919DW