Dell UltraSharp U2723QE vs LG UltraFine 27MD5KL-B

Dell UltraSharp U2723QE wins — Dell U2723QE wins for cross-platform professional use and color-critical work; LG UltraFine 5K wins for Mac users who ne…

Scores: Dell UltraSharp U2723QE 8.6/10 · LG UltraFine 27MD5KL-B 6.6/10

Dell U2723QE wins for cross-platform professional use and color-critical work; LG UltraFine 5K wins for Mac users who need 5K resolution and Thunderbolt daisy-chain.

Spec-by-spec comparison

	Dell UltraSharp U2723QE	LG UltraFine 27MD5KL-B
Resolution	4K (3840×2160) / 163 PPI	5K (5120×2880) / 218 PPI
Contrast Ratio	2,000:1 (IPS Black)	1,050:1 (IPS)
Peak Brightness	400 nits	500 nits
Color Gamut	98% DCI-P3	99% DCI-P3
Video Inputs	TB4, DP 1.4, HDMI 2.0	2× TB3 only
USB-C Charging	90W (TB4)	94W (TB3)

Dell UltraSharp U2723QE

What works

IPS Black panel: 2,000:1 contrast vs LG's 1,050:1 — dramatically better blacks
Hardware LUT calibration via Thunderbolt 4 and USB
KVM switch for two computers to one monitor setup

What doesn't

163 PPI at 4K is less sharp than LG's 218 PPI for text-heavy work
No 5K resolution option — 4K ceiling
Slightly lower DCI-P3 coverage: 98% vs LG's 99%

LG UltraFine 27MD5KL-B

What works

5K 218 PPI — sharper text and HiDPI scaling for Mac users
Thunderbolt daisy-chain to second display
99% DCI-P3 color coverage

What doesn't

Thunderbolt-only — no HDMI, no DisplayPort, won't work with most Windows PCs
No hardware calibration support
No USB-A ports — USB-C only peripherals

Bottom line

Our pick: Dell UltraSharp U2723QE.

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