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  1. Home
  2. Monitor
  3. Compare
  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Style
    2. Accelerated Longevity Test
    3. Build Quality
    4. Ergonomics
    5. Stand
    6. Display
    7. Controls
    8. In The Box
    9. Back
    10. Borders
    11. Thickness
  5. Picture Quality
    1. Contrast
    2. Local Dimming
    3. SDR Brightness
    4. HDR Brightness
    5. Horizontal Viewing Angle
    6. Vertical Viewing Angle
    7. Gray Uniformity
    8. Black Uniformity
    9. Color Accuracy (Pre-Calibration)
    10. Color Accuracy (Post-Calibration)
    11. SDR Color Gamut
    12. HDR Color Gamut
    13. HDR Color Volume
    14. Text Clarity
    15. Reflections
    16. Gradient
    17. SDR Color Volume
    18. Image Retention
    19. Color Bleed
  6. Motion
    1. Refresh Rate
    2. Variable Refresh Rate (VRR)
    3. VRR Motion Performance
    4. Refresh Rate Compliance
    5. CAD @ Max Refresh Rate
    6. Response Time @ Max Refresh Rate
    7. CAD @ 120Hz
    8. Response Time @ 120Hz
    9. CAD @ 60Hz
    10. Response Time @ 60Hz
    11. Backlight Strobing (BFI)
    12. VRR Flicker
    13. Image Flicker
    14. Response Time @ 60Hz
  7. Inputs
    1. Input Lag
    2. Resolution
    3. PS5 Compatibility
    4. Xbox Series X|S Compatibility
    5. Inputs Photos
    6. Video And Audio Ports
    7. USB
    8. macOS Compatibility
  8. Features
    1. Additional Features
    2. On-Screen Display (OSD)
    3. Controls
    4. In The Box
  9. Comments

Dell UltraSharp U2520D vs Dell P2423D

Side-by-Side Comparison

Products

Dell UltraSharp U2520D
Dell P2423D

Tested using Methodology v1.1

Updated Jul 04, 2022 06:56 PM

SEE PRICE
Amazon.com

Tested using Methodology v2.0.1

Updated Feb 19, 2025 04:47 PM

SEE PRICE
Amazon.com
Dell UltraSharp U2520D Picture
Dell P2423D Picture
Max Refresh Rate
60 Hz
Size
25"
Pixel Type
IPS
Native Resolution
2560 x 1440
Variable Refresh Rate
No VRR
Max Refresh Rate
60 Hz
Size
24"
Pixel Type
IPS
Native Resolution
2560 x 1440
Variable Refresh Rate
No
  1. Recommended in 3 articles:
  2. Dual Setup
  3. 24-25 Inch
  4. Vertical

Variants

  • U2520D (25")
  • P2423D (24")

Review

See Dell UltraSharp U2520D Review
See Dell P2423D Review
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Our Verdict

Dell UltraSharp U2520D

Dell P2423D

The Dell UltraSharp U2520D and the Dell P2423D are both 1440p productivity monitors. The U2520D is the better choice for most people, as it's better at fighting glare, is able to display HDR content, and has a USB-C hub with power delivery.

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