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  3. UltraFine 27US550 vs VP2766-2K

LG UltraFine 27US550 vs ViewSonic VP2766-2K

What UltraFine 27US550 does better (3) and where VP2766-2K wins (3) — every spec side by side.

LG UltraFine 27US550
LG · 2025UltraFine 27US550
5.5Score
3 advantages≈ $190
Higher score
vs
ViewSonic VP2766-2K
ViewSonic · 2026VP2766-2K
5.4Score
3 advantages≈ $240
5.4Screen5.0
3.3Colour accuracy5.6
6.8Design & ergonomics4.2

Why is UltraFine 27US550 better than VP2766-2K?

  1. Pixel density163 ppi vs 109 ppi+50%
  2. Colour depth10 bit vs 8 bit+25%
  3. HDMI inputs2 vs 12×

Why is VP2766-2K better than UltraFine 27US550?

  1. Refresh rate60 Hz vs 120 Hz2×
  2. Brightness (typical)300 nits vs 350 nits+17%
  3. Contrast ratio (static)1,000:1 vs 1,500:1+50%
Specifications

Side by side

LG UltraFine 27US550LG UltraFine 27US550≈ $1905.5
ViewSonic VP2766-2KViewSonic VP2766-2K≈ $2405.4
Display
Screen size27″27″
Resolution3840 × 21602560 × 1440
Resolution class4K UHDQHD / 2.5K
Pixel density163 ppi109 ppi
Aspect ratio16:916:9
Panel typeIPSIPS
Refresh rate60 Hz120 Hz
Brightness (typical)300 nits350 nits
Contrast ratio (static)1,000:11,500:1
Response time5 ms5 ms
Anti-glare / matte screenYesYes
Colour
sRGB coverage—100%
DCI-P3 coverage90%—
Colour accuracy (ΔE, claimed)—ΔE 1
Colour depth10 bit8 bit
Hardware calibration—Yes
HDRHDR10—
Connectivity
USB-C video input (one cable)—Yes
HDMI inputs21
DisplayPort inputs1—
Built-in speakers—Yes
Built-in webcamYes—
Design & ergonomics
Height adjustment—130 mm
Pivot (portrait rotation)YesYes
SwivelYesYes
VESA mount100 × 100 mm—
Weight—12.1 kg
Width—613 mm
Height—409 mm
Depth—207 mm
Product lineLG UltraFine—

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