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Compare Lenovo ThinkVision P40w-20 vs Dell UltraSharp U4021QW vs Dell UltraSharp U4320Q

Connectivity

Ports
1x USB 3.2 (Type-C; Gen 1; upstream; 27W), 1x Ethernet RJ45 (Gigabit), 1x DisplayPort 1.4, 1x Thunderbolt 4.0 (Type-C; upstream; 100W; DP Alt Mode), 1x Thunderbolt 4.0, 1x HDMI 2.0, 4x USB 3.2 (Type-A; Gen 1; downstream), 1x 3.5 mm Audio Out (line-out ...
1x USB 3.2 (Type-C; downstream; 15W), 1x Ethernet RJ45 (Gigabit), 1x DisplayPort 1.4, 1x 3.5 mm Audio Out (line-out for speakers), 1x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode), 2x HDMI 2.0, 4x USB 3.2 (Type-A; Gen 1; downstream), 1x USB 3.2 ...
1x USB 3.0 (Type-C; 90W; DisplayPort), 1x USB 3.0 (Type-C; downstream; 15W), 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 2x HDMI 2.0 (CEC), 1x USB 3.0 (BC charging 2A), 2x USB 3.0 (Type-A; downstream)

Construction

Adjustment | Height
130 mm / 5.1181 in
120 mm / 4.7244 in
60 mm / 2.3622 in
Adjustment | Pivot
N/A
N/A
N/A
Adjustment | Swivel
-45° ~ 45°
-30° ~ 30°
-20° ~ 20°
Adjustment | Tilt
-5° ~ 22°
-5° ~ 21°
-5° ~ 10°
Camera
No
No
No
Colors
Raven Black
Black
Black
Form Factor
Curved monitor
Curved monitor
Speakers
2x 9W
2x 9W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
89.68% screen-to-body ratio
91.28% screen-to-body ratio
Size | Depth
3.97 in / 100.8 mm w/o stand, 11 in / 279.4 mm w/ stand
9.76 in / 248 mm w/ stand
2.32 in / 59 mm w/o stand, 9.8 in / 249 mm w/ stand
Size | Height
16.88 in / 428.7 mm w/o stand, 20.13 in / 511.2 mm w/ stand
18.02 in / 457.8 mm w/ stand
22.22 in / 564.4 mm w/o stand, 23.43 in / 595.2 mm w/ stand
Size | Width
37.31 in / 947.6 mm
37.27 in / 946.6 mm
38.08 in / 967.2 mm
Weight
9.95 kg / 22 lbs w/o stand , 14.65 kg / 32 lbs w/ stand
9.5 kg / 21 lbs w/ stand
13.2 kg / 29 lbs w/o stand , 17.6 kg / 39 lbs w/ stand

Display

Aspect Ratio
21:9
21:9
16:9
Brightness
300 nits
300 nits
350 nits
Contrast Ratio
1000:1 (static), 3000000:1 (dynamic)
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits, 1073741824 colors
10 bits, 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Curvature
2500R
2500R
Display Diagonal
40" (39.71 in / 1008.59 mm)
40"
43" (42.52 in / 1080 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
98% DCI-P3, 99% sRGB
98% DCI-P3, 100% sRGB
96% sRGB
Pixel Density
140 ppi
103 ppi
Pixel Pitch
0.182 mm
0.245 mm
Refresh Rate
48 Hz ~ 75 Hz
60 Hz
60 Hz
Resolution
5K2K WUHD (5120x2160)
5K2K WUHD (5120x2160)
4K (3840x2160)
Response Time
4 ms (min) / 6 ms (avg)
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

Licenses
CCC, China Energy Efficiency Standard Tier 2, EnergyStar 8.0, EPEAT Silver, TCO Certified Displays 8.0, TCO Edge 2.0, TÜV Rheinland Eyesafe Display Certification, Windows Certification (Windows 10)
BFR-free, CEL, ENERGY STAR 6.0, EPEAT, Mercury-free, NFPA 99, PVC-free, RoHS Compliant
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
10 % ~ 90 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Video
Flicker-free technology, Natural Low Blue Light technology, Picture-in-Picture, True Split technology, Picture-by-Picture, 3-side NearEdgeless Design, eKVM switch
KVM Switch, Low Blue Light, Picture-in-Picture, Picture-by-Picture, ComfortView Plus, Flicker-free technology
Picture-by-Picture, Picture-in-Picture, Flicker-free technology, Low Blue Light

Performance

Power Consumption
60 W (average) / 250 W (max) / 0.5 W (sleep) / 0.3 W (off)
51.5 W (average) / 240 W (max) / 0.5 W (sleep)
75 W (average) / 260 W (max) / 0.5 W (sleep) / 0.5 W (off)

Production

Accessory
Thunderbolt 4 cabke (40 Gbps)
DisplayPort cable, HDMI cable, Thunderbolt 4 (USB-C) Active Cable, USB Type-A to Type-B cable
DisplayPort cable, HDMI cable, USB Type-C to Type-C cable, USB Type-C to Type-A cable
Debut
2021
2021
2020

Reviews

Neofiliac score
77%
77%
72%
Pros
  • Ultra-wide form factor
  • 2500R curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
  • Ultra-wide form factor
  • 2500 curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • High 91.28 % screen-to-body ratio
Cons
  • No publicized HDR support
  • No publicized HDR support
  • No publicized HDR support

Price

Offers (incl. referral links)
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