Comparison between Dell P3421W vs Lenovo L28u-35

General Info
Model Number	Dell P3421W	Lenovo L28u-35

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2022
Brand	Dell	Lenovo
Model Number	P3421W	L28u-35
Alias		66ECGAC4
Display
Screen Size Class	34" (inches)	28" (inches)
Diagonal Size	34.14 in 86.7 cm 867.2 mm 2.85 ft	28 in 71.1 cm 711.2 mm 2.33 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	24.45 in 62.1 cm 620.928 mm 2.04 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft	13.44 in 34.1 cm 341.28 mm 1.12 ft
Display Curvature	3800
Display Manufacturer	LG Display	Innolux
Display Type	IPS	AAS 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	21:9	16:9
Screen Resolution	3440 x 1440	3840 x 2160
Screen Pixel Pitch	0.233 mm	0.16 mm
Screen Pixel Density	109 ppi	157 ppi
Screen-to-Body Ratio		89.03 %
Backlight Source	W-LED	W-LED
DCI P3		90%
sRGB	99 %	99 %
Screen Brightness	300 cd/m²	300 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 °
Display Minimum Response Time	5 ms	4 ms
Display Average Response Time	8 ms	6 ms
Display Maximum Response Time		14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth		1.93 in 4.9 cm 48.9 mm 0.16 ft
Case Weight	6.7 kg 15 lbs	4.6 kg 10 lbs
Case Width with Stand	32.11 in 81.6 cm 815.7 mm 2.68 ft	25.07 in 63.7 cm 636.9 mm 2.09 ft
Case Height with Stand	15.4 in 39.1 cm 391.1 mm 1.28 ft	16.51 in 41.9 cm 419.3 mm 1.38 ft
Case Depth with Stand	9.35 in 23.7 cm 237.4 mm 0.78 ft	8.46 in 21.5 cm 215 mm 0.71 ft
Case Weight with Stand		6.6 kg 15 lbs
Case Color	Black and Silver	Raven Black
Hardware
Built-in Camera	No	No
Connectivity	2 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x DisplayPort 1.2 1 x HDMI 2.0 2 x USB 2.0 (Type-A; downstream) 1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Audio Speakers	2 x 5W	2 x 2W
Features
Cool Features	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology	Flicker-free technology Natural Low Blue Light 3-side NearEdgeless design AMD FreeSync technology
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	32.11 in 81.6 cm 815.7 mm 2.68 ft	25.07 in 63.7 cm 636.9 mm 2.09 ft
Case Height		14.71 in 37.4 cm 373.7 mm 1.23 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	150 mm 15 cm 5.9055 in 0.4921 ft	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	4 °	90 °
Right Pivot	4 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	360 °
Right Swivel	30 °	360 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	22 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	60 Hz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable	HDMI cable
Certificates and Standards
Licenses	Energy Star EPEAT RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified	CCC China Energy Efficiency Standard Tier 2 ENERGY STAR Eyesafe Display Certification RoHS (EU 2002/95/EC) TCO 9.0 TCO Edge 2.0 TÜV Low Blue Light (Hardware Solution) TÜV Rheinland Eye Comfort Volatile Organic Compound Certification Windows Certification
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 45 °C 32 °F - 113 °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 % - 95 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell P3421W

Lenovo L28u-35