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  3. UltraSharp U4021QW vs UltraSharp UP2720QA

Dell UltraSharp U4021QW vs Dell UltraSharp UP2720QA

What UltraSharp U4021QW does better (2) and where UltraSharp UP2720QA wins (5) — every spec side by side.

Dell UltraSharp U4021QW
Dell · 2021UltraSharp U4021QW
4.5Score
2 advantages≈ $1,650
vs
Dell UltraSharp UP2720QA
Dell · 2023UltraSharp UP2720QA
7.8Score
5 advantages≈ $1,600
Higher score
4.0Screen4.5
7.9Connectivity7.5
2.3Design & ergonomics5.8

Why is UltraSharp U4021QW better than UltraSharp UP2720QA?

  1. Brightness (typical)300 nits vs 250 nits+20%
  2. Screen size40″ vs 27″+48%

Why is UltraSharp UP2720QA better than UltraSharp U4021QW?

  1. Pixel density140 ppi vs 163 ppi+16%
  2. Pivot (portrait rotation)No · UltraSharp U4021QW: Yes
  3. Response time8 ms vs 6 ms+33%
  4. Contrast ratio (static)1,000:1 vs 1,300:1+30%
  5. Height adjustment120 mm vs 130 mm+8%
Specifications

Side by side

Dell UltraSharp U4021QWDell UltraSharp U4021QW≈ $1,6504.5
Dell UltraSharp UP2720QADell UltraSharp UP2720QA≈ $1,6007.8
Display
Screen size40″27″
Resolution5120 × 21603840 × 2160
Resolution class5K4K UHD
Pixel density140 ppi163 ppi
Aspect ratio21:916:9
Panel typeIPSIPS
Refresh rate60 Hz60 Hz
Brightness (typical)300 nits250 nits
Contrast ratio (static)1,000:11,300:1
Response time8 ms6 ms
Anti-glare / matte screenYesYes
Curved screenYes—
Colour
sRGB coverage100%—
Adobe RGB coverage—100%
DCI-P3 coverage—98%
Rec. 2020 coverage—80%
Colour depth10 bit10 bit
Connectivity
USB-C video input (one cable)—Yes
Thunderbolt—Yes
HDMI inputs22
DisplayPort inputs11
USB hubYesYes
Ethernet (RJ45)Yes—
Design & ergonomics
Height adjustment120 mm130 mm
Pivot (portrait rotation)NoYes
SwivelYesYes
VESA mount100 × 100 mm100 × 100 mm
Product lineDell UltraSharpDell UltraSharp

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