Comparison between Lenovo ThinkVision T22i-30 vs Dell U3421WE

General Info
Model Number	Lenovo ThinkVision T22i-30	Dell U3421WE

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2022	2020
Brand	Lenovo	Dell
Model Series		UltraSharp
Model Number	ThinkVision T22i-30	U3421WE
Alias	63B0MAR6	UltraSharp U3421WE
Display
Screen Size Class	22" (inches)	34" (inches)
Diagonal Size	21.5 in 54.6 cm 546.1 mm 1.79 ft	34.14 in 86.7 cm 867.2 mm 2.85 ft
Screen Width	18.74 in 47.6 cm 476.064 mm 1.56 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	10.54 in 26.8 cm 267.786 mm 0.88 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	8 bits (6 bits + FRC)	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	3440 x 1440
Screen Pixel Pitch	0.274 mm	0.233 mm
Screen Pixel Density	102 ppi	109 ppi
Screen-to-Body Ratio	87.61 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB	108 %	99 %
Screen Brightness	250 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	4 ms	5 ms
Display Average Response Time	14 ms	8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.83 in 4.6 cm 46.4 mm 0.15 ft
Case Weight	3 kg 7 lbs	7.52 kg 17 lbs
Case Width with Stand	19.26 in 48.9 cm 489.3 mm 1.61 ft	32.02 in 81.3 cm 813.3 mm 2.67 ft
Case Height with Stand	13.09 in 33.2 cm 332.4 mm 1.09 ft	15.46 in 39.3 cm 392.8 mm 1.29 ft
Case Depth with Stand	7.67 in 19.5 cm 194.7 mm 0.64 ft	9.35 in 23.7 cm 237.4 mm 0.78 ft
Case Weight with Stand	4.9 kg 11 lbs	11.87 kg 26 lbs
Case Color	Black	Platinum Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x D-sub 4 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream)	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 5W
Features
Cool Features	Natural Low Blue Light 3-side NearEdgeless design Flicker-free technology	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	19.26 in 48.9 cm 489.3 mm 1.61 ft	32.02 in 81.3 cm 813.3 mm 2.67 ft
Case Height	11.71 in 29.7 cm 297.4 mm 0.98 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	155 mm 15.5 cm 6.1024 in 0.5085 ft	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	30 °
Right Swivel	45 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	23.5 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	60 Hz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable USB Type-A to Type-B cable	DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable
Certificates and Standards
Licenses	CCC China Energy Efficiency Standard Tier 1 ENERGY STAR EPEAT Gold Eyesafe Display Certification RoHS (EU 2002/95/EC) TCO 9.0 TCO Edge 2.0 TÜV Rheinland Eye Comfort TÜV Rheinland Flicker-free TÜV Rheinland Low Blue Light (Hardware Solution) Windows Certified	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	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 T22i-30

Dell U3421WE