Comparison between Samsung S27D390H vs Dell U4021QW

General Info
Model Number	Samsung S27D390H	Dell U4021QW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2021
Brand	Samsung	Dell
Model Number	S27D390H	U4021QW
Alias	LS27D390HS/EN
Display
Screen Size Class	27" (inches)	40" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	23.54 in 59.8 cm 597.888 mm 1.96 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Screen Height	13.24 in 33.6 cm 336.312 mm 1.1 ft
Display Curvature		2500
Display Manufacturer	Samsung
Display Type	PLS	IPS
Display Bit Depth	8 bits	10 bits
Frame Rate Control	Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	21:9
Screen Resolution	1920 x 1080	5120 x 2160
Screen Pixel Pitch	0.311 mm
Screen Pixel Density	81 ppi
Screen-to-Body Ratio	85.47 %
Backlight Source	W-LED	W-LED
DCI P3		98%
sRGB	90 %	100 %
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	50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	5 ms	8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	3.13 in 8 cm 79.6 mm 0.26 ft
Case Weight	4.3 kg 9 lbs
Case Width with Stand	24.61 in 62.5 cm 625.2 mm 2.05 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Case Height with Stand	17.83 in 45.3 cm 453 mm 1.49 ft	18.02 in 45.8 cm 457.8 mm 1.5 ft
Case Depth with Stand	8.26 in 21 cm 209.8 mm 0.69 ft	9.76 in 24.8 cm 248 mm 0.81 ft
Case Weight with Stand	4.7 kg 10 lbs	9.5 kg 21 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub	1 x USB 3.2 (Type-C; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)
Audio
Audio Speakers		2 x 9W
Features
Cool Features	Flicker-free technology Samsung MagicBright Samsung MagicUpscale Eco Saving Plus Eye Saver Mode	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	24.61 in 62.5 cm 625.2 mm 2.05 ft
Case Height	14.81 in 37.6 cm 376.3 mm 1.23 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		120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	1 °	5 °
Backward Tilt	20 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 81 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	D-sub cable	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable
Certificates and Standards
Licenses	CE ENERGY STAR 6.0 FCC class B
Usage and Storage Requirements
Safe Operating Temperature Level	10 °C - 40 °C 50 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 45 °C -4 °F - 113 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %	5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Samsung S27D390H

Dell U4021QW