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  3. ProArt PA278QV vs UltraFine 27US50Z

Asus ProArt PA278QV vs LG UltraFine 27US50Z

What ProArt PA278QV does better (5) and where UltraFine 27US50Z wins (4) — every spec side by side.

Asus ProArt PA278QV
Asus · 2026ProArt PA278QV
4.8Score
5 advantages≈ $300
Higher score
vs
LG UltraFine 27US50Z
LG · 2026UltraFine 27US50Z
4.2Score
4 advantages≈ $230
3.6Screen5.4
2.8Colour accuracy3.3
8.3Design & ergonomics3.0
Dimensions

Size comparison

ProArt PA278QVUltraFine 27US50Z
615 × 532226614 × 455215
ProArt PA278QVUltraFine 27US50ZDifference
Height532 mm455 mm+77 mm
Width615 mm614 mm+1 mm
Depth226 mm215 mm+11 mm
Weight7.6 kg5.5 kg+2.1 kg

Drawn to the same scale from the official dimensions (front and side).

Why is ProArt PA278QV better than UltraFine 27US50Z?

  1. Pivot (portrait rotation)Yes · UltraFine 27US50Z: No
  2. SwivelYes · UltraFine 27US50Z: No
  3. Brightness (typical)350 nits vs 300 nits+17%
  4. DCI-P3 coverage95% vs 90%+6%
  5. Refresh rate75 Hz vs 60 Hz+25%

Why is UltraFine 27US50Z better than ProArt PA278QV?

  1. Pixel density109 ppi vs 163 ppi+50%
  2. Colour depth8 bit vs 10 bit+25%
  3. HDMI inputs1 vs 22×
  4. Weight7.56 kg vs 5.5 kg+37%
Specifications

Side by side

Asus ProArt PA278QVAsus ProArt PA278QV≈ $3004.8
LG UltraFine 27US50ZLG UltraFine 27US50Z≈ $2304.2
Display
Screen size27″27″
Resolution2560 × 14403840 × 2160
Resolution classQHD / 2.5K4K UHD
Pixel density109 ppi163 ppi
Aspect ratio16:916:9
Panel typeIPSIPS
Refresh rate75 Hz60 Hz
Brightness (typical)350 nits300 nits
Contrast ratio (static)1,000:11,000:1
Response time5 ms5 ms
Anti-glare / matte screenYesYes
Colour
sRGB coverage100%—
DCI-P3 coverage95%90%
Colour accuracy (ΔE, claimed)ΔE 2—
Colour depth8 bit10 bit
HDRHDR10HDR10
Connectivity
HDMI inputs12
DisplayPort inputs11
USB hubYes—
Built-in speakersYesYes
Design & ergonomics
Height adjustment150 mm—
Pivot (portrait rotation)YesNo
SwivelYesNo
VESA mount100 × 100 mm100 × 100 mm
Weight7.56 kg5.5 kg
Width615 mm614 mm
Height532 mm455 mm
Depth226 mm215 mm
Product lineASUS ProArtLG UltraFine

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