Quick Reference - Galaxy S26 Series

Model Screen Size Resolution (px) PPI Refresh Rate Technology
Galaxy S26 6.3" 2340×1080 (FHD+) ~416 120Hz AMOLED 2X
Galaxy S26+ 6.7" 3120×1440 (QHD+) ~515 120Hz AMOLED 2X
Galaxy S26 Ultra 6.9" 3120×1440 (QHD+) ~501 120Hz AMOLED 2X

Galaxy S26 Series (2026)

Galaxy S26

Display: 6.3" Dynamic AMOLED 2X
Resolution: 2340×1080 pixels (FHD+)
PPI: ~416 pixels per inch
Aspect Ratio: 19.5:9
Refresh Rate: 120Hz (adaptive 1-120Hz)
Brightness: 2,600 nits peak
Protection: Gorilla Armor 2
Pro Tip: The Galaxy S26 base model offers the most compact flagship experience. The 6.3" screen with FHD+ resolution balances battery life and visual quality. Perfect for one-handed use.

Galaxy S26+

Display: 6.7" Dynamic AMOLED 2X
Resolution: 3120×1440 pixels (QHD+)
PPI: ~515 pixels per inch
Aspect Ratio: 19.5:9
Refresh Rate: 120Hz (adaptive 1-120Hz)
Brightness: 2,600 nits peak
Protection: Gorilla Armor 2
Pro Tip: The S26+ offers a larger canvas with stunning QHD+ resolution. At 515 PPI, everything is razor-sharp. Great for media consumption, gaming, and productivity.

Galaxy S26 Ultra

Display: 6.9" Dynamic AMOLED 2X
Resolution: 3120×1440 pixels (QHD+)
PPI: ~501 pixels per inch
Aspect Ratio: 19.5:9
Refresh Rate: 120Hz (adaptive 1-120Hz)
Brightness: 2,600 nits peak
Special Features: S Pen support, anti-reflective coating
Pro Tip: The S26 Ultra is Samsung's flagship powerhouse. The 6.9" QHD+ display is perfect for S Pen productivity and creative work. Gorilla Armor 2 reduces glare by up to 75%.

Galaxy Foldable Series

Galaxy Z Fold6

Main Display: 7.6" QXGA+ (2160×1856)
Main PPI: ~374 pixels per inch
Cover Display: 6.3" HD+ (2376×968)
Cover PPI: ~410 pixels per inch
Refresh Rate: 120Hz (both screens)
Technology: Dynamic AMOLED 2X
Pro Tip: Design apps for both the narrow cover screen and wide main display. The 7.6" unfolded screen offers tablet-like productivity in a pocket-sized device.

Galaxy Z Flip6

Main Display: 6.7" FHD+ (2640×1080)
Main PPI: ~425 pixels per inch
Cover Display: 3.4" (720×748)
Cover Aspect: Nearly square (folder icon display)
Refresh Rate: 120Hz (main), 60Hz (cover)
Technology: Dynamic AMOLED 2X
Pro Tip: The Z Flip6's large 3.4" cover screen supports widgets and full apps. Design cover screen experiences that let users stay productive without unfolding.

Galaxy A Series (Mid-Range)

Galaxy A55 / A56

Display: 6.5" Super AMOLED
Resolution: 2400×1080 pixels (FHD+)
PPI: ~405 pixels per inch
Refresh Rate: 120Hz
Aspect Ratio: 20:9
Pro Tip: The A-series brings flagship features like 120Hz AMOLED displays to mid-range prices. Great for budget-conscious developers targeting mass market.

Galaxy A35

Display: 6.4" Super AMOLED
Resolution: 2340×1080 pixels (FHD+)
PPI: ~403 pixels per inch
Refresh Rate: 120Hz
Pro Tip: A35 offers excellent value with flagship-quality display at a lower price point. Ideal for testing apps across different market segments.

Understanding Samsung Display Technology

AMOLED vs LCD

Samsung's flagship phones use AMOLED (Active Matrix Organic Light-Emitting Diode) displays. Unlike LCD screens with a backlight, each pixel emits its own light.

Advantages of AMOLED:

  • Perfect Blacks: Pixels turn completely off, creating true black (infinite contrast ratio)
  • Vibrant Colors: Can display 100% DCI-P3 color gamut and HDR10+
  • Energy Efficient: Dark mode actually saves battery (pixels off = no power)
  • Faster Response: 1ms response time vs 5-10ms for LCD
  • Flexible: Enables foldable designs like Z Fold and Z Flip

Dynamic AMOLED 2X Features:

  • Adaptive Refresh: Automatically adjusts 1-120Hz based on content to save battery
  • Peak Brightness: 2,600 nits for outdoor visibility (brighter than most phones)
  • Eye Comfort Shield: Reduces blue light without yellowing the screen
  • Vision Booster: AI-enhanced contrast and color in bright sunlight

Resolution Tiers:

FHD+ (2340×1080 or 2400×1080): Used in S26 base model and A-series. Balances sharpness with battery life. Still looks crisp at ~400+ PPI.

QHD+ (3120×1440): Used in S26+ and S26 Ultra. Maximum sharpness at ~500+ PPI. Ideal for VR, detailed content, and professional use. Uses more battery than FHD+.

Design Guidelines for Samsung Galaxy

Support Multiple Screen Sizes

Use responsive layouts that adapt to different screen sizes (6.3" to 6.9" for S-series). Test on both FHD+ and QHD+ resolutions to ensure UI elements scale properly.

Handle Punch-Hole Camera

All Galaxy S-series phones have centered punch-hole cameras. Don't place critical UI elements in top-center. Use Android's cutout APIs to detect and work around the camera.

Optimize for Dark Mode

AMOLED displays save significant battery with dark pixels. Implement true black (#000000) backgrounds in dark mode. Avoid pure white (#FFFFFF) for large areas—use off-white instead.

Leverage High Refresh Rate

All modern Galaxy phones support 120Hz. Ensure smooth animations and scrolling. Avoid janky 60fps content—users will notice on 120Hz displays.

Edge Display Considerations

Samsung screens have curved edges on many models. Avoid placing interactive elements too close to edges where they might trigger accidental touches or be hard to reach.

HDR Content Support

Galaxy displays support HDR10+ with peak brightness up to 2,600 nits. For media apps, provide HDR versions of video content for stunning visual quality.

Foldable-Specific Design

For Z Fold devices, support both portrait (cover) and landscape (main) orientations seamlessly. Use Android's multi-window APIs for split-screen productivity on the large display.

S Pen Integration (Ultra)

If targeting S26 Ultra users, consider S Pen support. Enable handwriting input, air gestures, and precision selection. Test hover states and pressure sensitivity.

Accessibility & Vision Booster

Samsung's Vision Booster enhances contrast outdoors. Ensure your app's color schemes work well in both normal and enhanced contrast modes. Test in bright sunlight.

Screen Size Comparison

Physical Size Differences

Model Screen Size Physical Dimensions Weight
Galaxy S26 6.3" 146.5 × 70.6 × 7.6 mm ~168g
Galaxy S26+ 6.7" 158.5 × 75.8 × 7.7 mm ~190g
Galaxy S26 Ultra 6.9" 162.3 × 79.0 × 8.6 mm ~232g
Z Fold6 (unfolded) 7.6" 153.5 × 132.6 × 5.6 mm ~239g
Z Flip6 (unfolded) 6.7" 165.1 × 71.9 × 6.9 mm ~187g

Aspect Ratio Explained

19.5:9 (S26 series): Tall, narrow aspect ratio perfect for scrolling social media and one-handed use. More screen real estate in portrait orientation.

Why not 16:9? The days of 16:9 phone screens are over. Taller ratios (19.5:9, 20:9) make phones easier to hold and more practical for portrait-first mobile apps.