Comparison between Samsung U28R55 vs Dell U3421WE

General Info
Model Number	Samsung U28R55	Dell U3421WE

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2020
Brand	Samsung	Dell
Model Series	UR55	UltraSharp
Model Number	U28R55	U3421WE
Alias	U28R550 U28R55U0	UltraSharp U3421WE
Display
Screen Size Class	28" (inches)	34" (inches)
Diagonal Size	28 in 71.1 cm 711.2 mm 2.33 ft	34.14 in 86.7 cm 867.2 mm 2.85 ft
Screen Width	24.45 in 62.1 cm 620.928 mm 2.04 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	13.44 in 34.1 cm 341.28 mm 1.12 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Curvature		1900
Display Manufacturer		LG Display
Display Type	IPS	AH-IPS
Display Bit Depth	10 bits	10 bits
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	21:9
Screen Resolution	3840 x 2160	3440 x 1440
Screen Pixel Pitch	0.16 mm	0.233 mm
Screen Pixel Density	157 ppi	109 ppi
Screen-to-Body Ratio	88.7 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB		99 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	2.52 in 6.4 cm 64 mm 0.21 ft
Case Weight	5 kg 11 lbs	7.52 kg 17 lbs
Case Width with Stand	25.15 in 63.9 cm 638.8 mm 2.1 ft	32.02 in 81.3 cm 813.3 mm 2.67 ft
Case Height with Stand	18.87 in 47.9 cm 479.3 mm 1.57 ft	15.46 in 39.3 cm 392.8 mm 1.29 ft
Case Depth with Stand	9.86 in 25.1 cm 250.5 mm 0.82 ft	9.35 in 23.7 cm 237.4 mm 0.78 ft
Case Weight with Stand	5.8 kg 13 lbs	11.87 kg 26 lbs
Case Color	Dark Blue Gray	Platinum Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2	4 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 1 x Ethernet RJ45 1 x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode) 1 x USB 3.1 (Type-C; downstream; 15W)
Audio
Audio Speakers	2 x 4W	2 x 5W
Features
Cool Features	Samsung MagicUpscale Eco Saving Plus Off Timer Plus Flicker Free Picture-by-Picture Picture-in-Picture Eye Saver Mode AMD Radeon FreeSync Technology Image Size Samsung MagicBright Easy Setting Box	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology
Extra Features		Security lock slot
Ergonomics
Case Width	25.15 in 63.9 cm 638.8 mm 2.1 ft	32.02 in 81.3 cm 813.3 mm 2.67 ft
Case Height	14.72 in 37.4 cm 374 mm 1.23 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	75 x 75	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		150 mm 15 cm 5.9055 in 0.4921 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	2 °	5 °
Backward Tilt	15 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 60 Hz	60 Hz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras		DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable
Certificates and Standards
Licenses	Windows 10 Certification TÜV Rheinland Eye Comfort 2.0 Certification	Energy Star EPEAT Gold RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified
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 - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Samsung U28R55

Dell U3421WE