How we score Blog Advertise
  1. opendesign.foundation
  2. Compare
  3. Studio Display (2026) vs UltraFine 40U990A

Apple Studio Display (2026) vs LG UltraFine 40U990A

What Studio Display (2026) does better (2) and where UltraFine 40U990A wins (2) — every spec side by side.

Apple Studio Display (2026)
9.6Score
2 advantages≈ $1,600
Higher score
vs
LG UltraFine 40U990A
7.6Score
2 advantages≈ $1,550
9.6Screen9.1
9.1Connectivity8.6

Why is Studio Display (2026) better than UltraFine 40U990A?

  1. Pixel density218 ppi vs 140 ppi+56%
  2. Brightness (typical)600 nits vs 450 nits+33%

Why is UltraFine 40U990A better than Studio Display (2026)?

  1. Refresh rate60 Hz vs 120 Hz2×
  2. Screen size27″ vs 39.7″+47%
Specifications

Side by side

Display
Screen size27″39.7″
Resolution5120 × 28805120 × 2160
Resolution class5K5K
Pixel density218 ppi140 ppi
Aspect ratio16:921:9
Panel typeIPSIPS
Refresh rate60 Hz120 Hz
Brightness (typical)600 nits450 nits
Contrast ratio (static)—2,000:1
Response time—5 ms
Anti-glare / matte screenYesYes
Curved screen—Yes
Colour
DCI-P3 coverage—99%
Colour depth10 bit—
HDR—DisplayHDR 600
Connectivity
USB-C video input (one cable)YesYes
USB-C charging (Power Delivery)96 W96 W
ThunderboltYesYes
KVM switch—Yes
HDMI inputs—2
DisplayPort inputs—1
USB hub—Yes
Daisy chain (DP MST)Yes—
Built-in speakersYesYes
Built-in webcamYes—
Design & ergonomics
Height adjustment—130 mm
Swivel—Yes
VESA mount100 × 100 mm—
Weight—14.1 kg
Width—948 mm
Height—614 mm
Depth—260 mm
To compare: 0up to 4 models
Compare