Comparison between Dell U3821DW vs LG 38UC99

General Info
Model Number	Dell U3821DW	LG 38UC99

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2016
Brand	Dell	LG
Model Series	UltraSharp
Model Number	U3821DW	38UC99
Alias		38UC99-W
Display
Screen Size Class	38" (inches)	38" (inches)
Diagonal Size	37.52 in 95.3 cm 952.9 mm 3.13 ft	37.5 in 95.3 cm 952.5 mm 3.13 ft
Screen Width	35.04 in 89 cm 890 mm 2.92 ft	34.76 in 88.3 cm 882.816 mm 2.9 ft
Screen Height	15.27 in 38.8 cm 387.8 mm 1.27 ft	14.48 in 36.8 cm 367.84 mm 1.21 ft
Display Curvature	2300	2300
Display Manufacturer		LG Display
Display Type	IPS	AH-IPS
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	24:10	24:10
Screen Resolution	3840 x 1600	3840 x 1600
Screen Pixel Pitch	0.229 mm	0.23 mm
Screen Pixel Density	109 ppi	110 ppi
Screen-to-Body Ratio	98.38 %	92.1 %
Backlight Source	W-LED	W-LED
DCI P3	95%
sRGB	100 %	99 %
Adobe RGB 1998		70 %
NTSC 1953		72 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		5000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		25 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	8 ms	10 ms
Display Maximum Response Time		15 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	DisplayHDR 600
3D	No	No
Size, weight, color
Case Depth	4.03 in 10.2 cm 102.4 mm 0.34 ft	3.6 in 9.2 cm 91.5 mm 0.3 ft
Case Weight	8.8 kg 19 lbs	7.7 kg 17 lbs
Case Width with Stand	35.21 in 89.4 cm 894.3 mm 2.93 ft	35.32 in 89.7 cm 897.2 mm 2.94 ft
Case Height with Stand	17.47 in 44.4 cm 443.8 mm 1.46 ft	18.35 in 46.6 cm 466.2 mm 1.53 ft
Case Depth with Stand	9.89 in 25.1 cm 251.2 mm 0.82 ft	9.07 in 23 cm 230.4 mm 0.76 ft
Case Weight with Stand	13.6 kg 30 lbs	9.3 kg 20 lbs
Case Color	Black	White
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode) 4 x USB 3.2 (Type-A; Gen 1; downstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out (line-out for speakers) 1 x DisplayPort 1.4 1 x Ethernet RJ45 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x USB 3.2 (Type-C; downstream)	1 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 1 x USB (Type-C) 2 x USB 3.0 (downstream)
Audio
Audio Speakers	2 x 9W	2 x 10W
Features
Cool Features	Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch	Black Stabilizer Flicker-free technology Screen Split Dynamic Action Sync Picture-by-Picture HDCP (High-bandwidth Digital Content Protection) DDC/CI 6-Axis Control Picture-in-Picture AMD FreeSync technology Quick Charge
Extra Features	Security lock slot	Anti-theft stand lock slot
Ergonomics
Case Width	35.21 in 89.4 cm 894.3 mm 2.93 ft	35.32 in 89.7 cm 897.2 mm 2.94 ft
Case Height	15.44 in 39.2 cm 392.3 mm 1.29 ft	15.47 in 39.3 cm 393 mm 1.29 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	120 mm 12 cm 4.7244 in 0.3937 ft	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	No
Left Swivel	30 °
Right Swivel	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 76 Hz	56 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 100 kHz	30 kHz - 101 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB Type-C cable USB Type-B 3.2 Gen 1 cable	DisplayPort cable Factory calibration report HDMI cable USB Type-C cable USB 3.0 cable
Certificates and Standards
Licenses	ENERGY STAR 8.0 EPEAT Gold RoHS TAA Availability TCO Certified Displays	BSMI CCC CE cTick ENERGY STAR 6.0 FCC Class B UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °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 % - 90 %	5 % - 85 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Dell U3821DW

LG 38UC99