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  3. UltraFine 27U730A vs UltraFine 27US550

LG UltraFine 27U730A vs LG UltraFine 27US550

What UltraFine 27U730A does better (1) and where UltraFine 27US550 wins (0) — every spec side by side.

LG UltraFine 27U730A
7.4Score
1 advantage≈ $240
Higher score
vs
LG UltraFine 27US550
5.5Score
0 advantages≈ $190
5.4Screen5.4
6.6Colour accuracy3.3
6.8Design & ergonomics6.8

Why is UltraFine 27U730A better than UltraFine 27US550?

  1. DCI-P3 coverage98% vs 90%+9%

Why is UltraFine 27US550 better than UltraFine 27U730A?

UltraFine 27US550 has no measurable advantages in this pair.

Specifications

Side by side

Display
Screen size27″27″
Resolution3840 × 21603840 × 2160
Resolution class4K UHD4K UHD
Pixel density163 ppi163 ppi
Aspect ratio16:916:9
Panel typeIPSIPS
Refresh rate60 Hz60 Hz
Brightness (typical)300 nits300 nits
Contrast ratio (static)1,000:11,000:1
Response time5 ms5 ms
Anti-glare / matte screenYesYes
Colour
DCI-P3 coverage98%90%
Colour depth10 bit10 bit
HDRHDR10HDR10
Connectivity
USB-C video input (one cable)Yes—
USB-C charging (Power Delivery)90 W—
HDMI inputs22
DisplayPort inputs11
USB hubYes—
Built-in speakersYes—
Built-in webcam—Yes
Design & ergonomics
Pivot (portrait rotation)YesYes
SwivelYesYes
VESA mount100 × 100 mm100 × 100 mm
Product lineLG UltraFineLG UltraFine
To compare: 0up to 4 models
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