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  3. UltraSharp U2421E vs ThinkVision P27u-20

Dell UltraSharp U2421E vs Lenovo ThinkVision P27u-20

What UltraSharp U2421E does better (0) and where ThinkVision P27u-20 wins (6) — every spec side by side.

Dell UltraSharp U2421E
Dell · 2020UltraSharp U2421E
5.0Score
0 advantages≈ $400
vs
Lenovo ThinkVision P27u-20
Lenovo · 2022ThinkVision P27u-20
9.0Score
6 advantages≈ $470
Higher score
2.4Screen6.8
3.6Connectivity6.6

Why is UltraSharp U2421E better than ThinkVision P27u-20?

UltraSharp U2421E has no measurable advantages in this pair.

Why is ThinkVision P27u-20 better than UltraSharp U2421E?

  1. Pixel density94 ppi vs 163 ppi+73%
  2. Colour depth8 bit vs 10 bit+25%
  3. HDMI inputs1 vs 22×
  4. Brightness (typical)350 nits vs 400 nits+14%
  5. Response time8 ms vs 6 ms+33%
  6. Screen size24.1″ vs 27″+12%
Specifications

Side by side

Dell UltraSharp U2421EDell UltraSharp U2421E≈ $4005.0
Lenovo ThinkVision P27u-20Lenovo ThinkVision P27u-20≈ $4709.0
Display
Screen size24.1″27″
Resolution1920 × 12003840 × 2160
Resolution classFull HD4K UHD
Pixel density94 ppi163 ppi
Aspect ratio16:1016:9
Panel typeIPSIPS
Refresh rate60 Hz60 Hz
Brightness (typical)350 nits400 nits
Peak brightness (HDR)—450 nits
Contrast ratio (static)1,000:11,000:1
Response time8 ms6 ms
Anti-glare / matte screenYesYes
Colour
sRGB coverage99%100%
Adobe RGB coverage—99.5%
DCI-P3 coverage—99.1%
Rec. 2020 coverage—83.7%
Colour depth8 bit10 bit
HDR—DisplayHDR 400
Connectivity
USB-C video input (one cable)—Yes
Thunderbolt—Yes
KVM switch—Yes
HDMI inputs12
DisplayPort inputs11
USB hubYesYes
Ethernet (RJ45)YesYes
Built-in speakers—Yes
Design & ergonomics
Height adjustment150 mm—
Pivot (portrait rotation)Yes—
SwivelYes—
VESA mount100 × 100 mm—
Product lineDell UltraSharpLenovo ThinkVision

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