Screen Size Comparison Tool

Compare two screen sizes side by side and see the real width, height, diagonal, and screen area differences. Use presets for 24 vs 27 inch monitors, 27 vs 32 inch monitors, laptop vs monitor, phone vs tablet, and TV sizes.

width height Unit

Start with a common comparison

Display 1

x

Display 2

x
24 inch 16x9 display vs 27 inch 16x9 display
Stats 24 inch 16x9 27 inch 16x9
Width --- ---
Height --- ---
Area --- ---
As a 4:3 Display --- ---
As a 16:9 Display --- ---
As a 2.35:1 Display --- ---
In Comparison 24 inch 16x9 27 inch 16x9
Actual Aspect Ratios --- ---
As a 4:3 Display --- ---
As a 16:9 Display --- ---
As a 2.35:1 Display --- ---

Specific picks after checking the fit

These are a short US-market starting list, selected from the size, refresh-rate and desk-fit criteria above. We do not publish prices, ratings, stock or hands-on claims here.

Dell Alienware AW2524HF

  • 24.5-inch
  • 1920×1080
  • 480Hz native / 500Hz overclocked
  • Fast IPS
  • VESA pattern: verify in Dell mounting sheet

Best for: Competitive FPS players with a compact desk and a GPU that can sustain very high frame rates.

Why it is included: The 24.5-inch 1080p format keeps the whole HUD in view while the native 480Hz mode targets high-FPS competitive play.

One limitation: The 500Hz mode is an overclocked mode and the display still needs a DisplayPort connection and a compatible GPU; confirm the monitor's exact VESA pattern and weight before using an arm.

View on Amazon

LG 27GP850-B UltraGear

  • 27-inch
  • 2560×1440
  • 165Hz
  • Nano IPS
  • VESA 100×100mm

Best for: Players who want a 27-inch 1440p screen for mixed gaming, work and media use.

Why it is included: The 27-inch QHD combination gives a useful detail and workspace step up while retaining a high refresh rate for games.

One limitation: 1440p needs more GPU headroom than 1080p, and the panel's HDR and contrast are not a substitute for a dedicated high-contrast display; check the stand footprint and arm load separately.

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Ergotron LX Monitor Arm (Polished Aluminum)

  • 7–25 lb monitor load
  • 75×75mm or 100×100mm VESA
  • Supports screens up to 34 inches
  • Single-monitor desk mount

Best for: A compatible monitor on a desk where reclaiming stand depth matters.

Why it is included: Its published load and VESA range can cover many 24–27-inch monitors while moving the stand footprint off the desktop.

One limitation: It does not prove compatibility with every monitor: check the monitor-only weight, VESA pattern, desk thickness and clamp clearance before purchase.

View on Amazon

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Understanding Device Comparison

How to understand the comparison

Diagonal size alone can be misleading. Width affects desk space, height affects document and timeline comfort, and visible area shows the real jump in screen space. A 32 inch monitor is not just slightly larger than 27 inch; the area difference is usually the number that changes daily use.

For sharpness, calculate pixel density with the PPI calculator or check common resolutions in the standard resolution chart.

Comparison Basics

When comparing device sizes, it's important to understand several key factors:

Best Practices for Display Selection

Design Considerations

Technical Implementation

How to Use the Screen Size Comparison Tool

  1. Select two display aspect ratios from the dropdown menus
  2. Enter the diagonal screen sizes for both displays
  3. Click "Compare" to see detailed dimensions and differences
  4. Use the unit toggle to switch between inches and centimeters
  5. Share your comparison results with others using the share buttons

Frequently Asked Questions About Screen Size Comparison

Screen size is typically measured diagonally from one corner to the opposite corner, expressed in inches or centimeters. For example, a 50" TV means the diagonal measurement is 50 inches.

Screen size usually means the diagonal. Real dimensions are the visible width and height. Two 27 inch displays can have different width, height, and area when their aspect ratios differ.

Screen area is calculated by multiplying the width by the height. Our comparison tool automatically calculates this for you based on the diagonal size and aspect ratio.

Screens with different aspect ratios will have different widths and heights even with the same diagonal measurement. For example, a 27" 16:9 monitor is wider but shorter than a 27" 4:3 monitor.

Aspect ratio is the proportional relationship between a screen's width and height (width:height). Common ratios include 16:9 (widescreen), 4:3 (traditional), and 21:9 (ultrawide). It matters because it affects how content is displayed and the overall viewing experience.

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