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  3. ThinkVision P27u-20 vs UltraFine 27UL550

Lenovo ThinkVision P27u-20 vs LG UltraFine 27UL550

What ThinkVision P27u-20 does better (3) and where UltraFine 27UL550 wins (1) — every spec side by side.

Lenovo ThinkVision P27u-20
Lenovo · 2022ThinkVision P27u-20
9.0Score
3 advantages≈ $500
Higher score
vs
LG UltraFine 27UL550
LG · 2019UltraFine 27UL550
6.7Score
1 advantage≈ $300
6.7Screen6.2

Why is ThinkVision P27u-20 better than UltraFine 27UL550?

  1. Brightness (typical)400 nits vs 300 nits+33%
  2. HDRDisplayHDR 400 vs HDR10
  3. sRGB coverage100% vs 98%+2%

Why is UltraFine 27UL550 better than ThinkVision P27u-20?

  1. Response time6 ms vs 5 ms+20%
Specifications

Side by side

Lenovo ThinkVision P27u-20Lenovo ThinkVision P27u-20≈ $5009.0
LG UltraFine 27UL550LG UltraFine 27UL550≈ $3006.7
Display
Screen size27″27″
Resolution3840 × 21603840 × 2160
Resolution class4K UHD4K UHD
Pixel density163 ppi163 ppi
Aspect ratio16:916:9
Panel typeIPSIPS
Refresh rate60 Hz61 Hz
Brightness (typical)400 nits300 nits
Peak brightness (HDR)450 nits—
Contrast ratio (static)1,000:11,000:1
Response time6 ms5 ms
Anti-glare / matte screenYesYes
Colour
sRGB coverage100%98%
Adobe RGB coverage99.5%—
DCI-P3 coverage99.1%—
Rec. 2020 coverage83.7%—
Colour depth10 bit—
HDRDisplayHDR 400HDR10
Connectivity
USB-C video input (one cable)Yes—
ThunderboltYes—
KVM switchYes—
HDMI inputs22
DisplayPort inputs11
USB hubYes—
Ethernet (RJ45)Yes—
Built-in speakersYesNo
Design & ergonomics
Height adjustment—110 mm
Pivot (portrait rotation)—Yes
Weight—6 kg
Width—623 mm
Height—572 mm
Depth—230 mm
Product lineLenovo ThinkVision—

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