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  3. ThinkVision P24q-40 vs UltraFine 27UL550

Lenovo ThinkVision P24q-40 vs LG UltraFine 27UL550

What ThinkVision P24q-40 does better (5) and where UltraFine 27UL550 wins (3) — every spec side by side.

Lenovo ThinkVision P24q-40
Lenovo · 2025ThinkVision P24q-40
7.2Score
5 advantages≈ $290
Higher score
vs
LG UltraFine 27UL550
6.7Score
3 advantages≈ $300
4.6Screen6.2
9.7Design & ergonomics5.6
Dimensions

Size comparison

ThinkVision P24q-40UltraFine 27UL550
540 × 506190623 × 572230
ThinkVision P24q-40UltraFine 27UL550Difference
Height506 mm572 mm−66 mm
Width540 mm623 mm−83 mm
Depth190 mm230 mm−40 mm
Weight5.1 kg6 kg−0.9 kg

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

Why is ThinkVision P24q-40 better than UltraFine 27UL550?

  1. Refresh rate120 Hz vs 61 Hz+97%
  2. Contrast ratio (static)1,500:1 vs 1,000:1+50%
  3. Height adjustment155 mm vs 110 mm+41%
  4. Response time4 ms vs 5 ms+25%
  5. Weight5.1 kg vs 6 kg+18%

Why is UltraFine 27UL550 better than ThinkVision P24q-40?

  1. Pixel density123 ppi vs 163 ppi+33%
  2. HDMI inputs1 vs 22×
  3. Screen size23.8″ vs 27″+13%
Specifications

Side by side

Display
Screen size23.8″27″
Resolution2560 × 14403840 × 2160
Resolution classQHD / 2.5K4K UHD
Pixel density123 ppi163 ppi
Aspect ratio16:916:9
Panel typeIPSIPS
Refresh rate120 Hz61 Hz
Brightness (typical)300 nits300 nits
Contrast ratio (static)1,500:11,000:1
Response time4 ms5 ms
Anti-glare / matte screenYesYes
Colour
sRGB coverage99%98%
Colour depth8 bit—
HDRHDR10HDR10
Connectivity
USB-C video input (one cable)Yes—
USB-C charging (Power Delivery)15 W—
HDMI inputs12
DisplayPort inputs11
USB hubYes—
Built-in speakersNoNo
Design & ergonomics
Height adjustment155 mm110 mm
Pivot (portrait rotation)YesYes
SwivelYes—
VESA mount100 × 100 mm—
Weight5.1 kg6 kg
Width540 mm623 mm
Height506 mm572 mm
Depth190 mm230 mm
Product lineLenovo ThinkVision—
To compare: 0up to 4 models
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