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    What Is My Screen Size?
    What Is My Screen Size?
    WhatIsMyScreenSize
    1. Devices
    2. Galaxy S
    3. Galaxy S23 Ultra

    Samsung · Galaxy S

    Galaxy S23 Ultra Screen Size

    The Galaxy S23 Ultra features a 6.8 inches Dynamic AMOLED 2X display with a resolution of 3088 × 1440 (3088 × 1440 pixels), delivering 500 PPI pixel density. Released in 2023, this phone offers 120Hz LTPO refresh rate and peak brightness of 1750 nits peak.

    Samsung2023Popular

    As an Amazon Associate I earn from qualifying purchases. Product links may be affiliate links — prices and availability may change.

    Compare Galaxy S23 Ultra withGalaxy S26Galaxy S26+Pixel 11 Pro XL
    Screen Size
    6.8 inches
    Resolution
    3088 × 1440
    Pixel Density
    500 PPI
    Display Type
    Dynamic AMOLED 2X
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    Actual Size

    Device outline scaled to relative proportions using physical dimensions.

    Compare actual size →
    Galaxy S23 Ultra

    78.1 × 163.4 mm

    Display DNA

    A fingerprint of the Galaxy S23 Ultra's display characteristics — screen size, panel type, refresh rate, pixel density, and brightness combined into a unique profile.

    OLED120Hz LTPO500 PPI19.3:96.8 inchesHDRPeak nits

    6 of 7 display traits active

    Similar screen size

    POCO F788% similariPhone 16 Plus88% similarPixel 11 Pro XL87% similarRedmi 1378% similar

    Computed Display Data

    Derived measurements calculated from the Galaxy S23 Ultra's physical dimensions and resolution — unique values not found on standard spec sheets.

    Screen Area
    127.6 cm²
    Diagonal
    17.3 cm
    Pixels per Frame
    4.45 million
    CSS Viewport
    480 × 1029
    Width
    78.1 mm
    Height
    163.4 mm
    One-Hand Use
    ★★☆☆☆ (Challenging)
    Aspect Ratio
    19.3:9

    Display Rankings

    Where this device ranks among all phones in our database.

    View all rankings →
    #33
    highest PPI
    of 124 phones · See full ranking
    #70
    brightest display
    of 124 phones · See full ranking
    #13
    largest screen
    of 124 phones · See full ranking
    #50
    highest refresh rate
    of 124 phones · See full ranking

    How Big Is 6.8 inches?

    The Galaxy S23 Ultra's 6.8" screen compared to everyday objects by diagonal length.

    Credit card3.4"
    iPhone SE4.1"
    Nintendo Switch6.2"
    Kindle Paperwhite6.4"
    Galaxy S23 Ultra6.8 inches
    iPad mini8.0"

    Galaxy S23 Ultra Screen Resolution & Display Specifications

    The Galaxy S23 Ultra's screen measures 6.8 inches (17.3cm) diagonally, with physical dimensions of 3.07 inches (78.1mm) wide by 6.43 inches (163.4mm) tall. The Dynamic AMOLED 2X panel technology ensures vibrant colors with 24-bit color depth and a 19.3:9 aspect ratio, making it ideal for mobile content consumption and photography.

    With its 120Hz LTPO display, the Galaxy S23 Ultra provides exceptionally smooth scrolling and responsive touch interactions. This high refresh rate technology is particularly beneficial for gaming, video playback, and everyday scrolling.

    Screen Size
    6.8 inches
    Resolution
    3088 × 1440
    Pixel Density
    500 PPI
    Display Type
    Dynamic AMOLED 2X
    Aspect Ratio
    19.3:9
    Color Depth
    24-bit
    Refresh Rate
    120Hz LTPO
    Brightness
    1750 nits peak
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    Galaxy S23 Ultra Screen Dimensions

    At 500 PPI, the Galaxy S23 Ultra delivers sharp, crisp text and images. The total pixel count of 4,446,720 pixels (3088 × 1440) ensures high-definition content rendering. This resolution is well-suited for 4K content and professional work.

    For mobile users, the 6.8 inches screen size strikes a balance between immersive viewing and manageable one-handed use. The 19.3:9 aspect ratio is optimized for modern app interfaces and video content.

    Width
    3.07 inches (78.1mm)
    Height
    6.43 inches (163.4mm)
    Diagonal
    6.8 inches (17.3cm)
    Total Pixels
    4,446,720

    Accessories for Galaxy S23 Ultra

    Cases, chargers, and more compatible with Galaxy S23 Ultra.

    Cases

    • Spigen Tough Armor Case for Galaxy S23 Ultra
      Editor's pick

    Chargers

    • Anker 735 Charger (Nano II 65W)
      Editor's pick

      Compact GaN charger for phones, tablets, and laptops

    • Anker USB-C 20W Charger

      Compact fast charger for daily carry

    Wireless Chargers

    • Anker MagGo Wireless Charging Stand (2-in-1)
      MagSafe compatible

      Qi2 15W wireless charging with AirPods pad

    • Anker MagGo Wireless Charging Stand (360°)

      Adjustable MagSafe stand with 15W charging

    Power Banks

    • Anker Power Bank 10,000mAh (PowerCore Slim)
      Editor's pick

      Slim 10,000 mAh pack for all-day backup

    • Anker 737 Power Bank (PowerCore 24K)

      High-capacity 24,000 mAh with 140W output

    Car Mounts

    • iOttie Easy One Touch 6 (Dash & Windshield)
      Editor's pick

      Dashboard/windshield mount with one-hand release

    • iOttie Easy One Touch 6 (Air Vent)

      Vent mount with built-in cable management

    As an Amazon Associate I earn from qualifying purchases. Product links may be affiliate links — prices and availability may change. Affiliate disclosure

    More devices to compare

    The Galaxy S23 Ultra sits in Samsung's Galaxy S lineup — here are nearby picks from our database.

    Same category

    Galaxy S26

    Popular
    Samsung brand logo•2026
    Screen size
    6.3 inches
    Resolution
    2340 × 1080
    Pixel Density411 PPI
    Display TypeDynamic AMOLED 2X
    Total Pixels2.5MP

    Galaxy S26+

    Popular
    Samsung brand logo•2026
    Screen size
    6.7 inches
    Resolution
    3120 × 1440
    Pixel Density513 PPI
    Display TypeDynamic AMOLED 2X
    Total Pixels4.5MP

    More from Samsung

    View all →
    • Galaxy S266.3 inches
    • Galaxy S26+6.7 inches
    • Galaxy S26 Ultra6.9 inches

    Explore Similar

    More 6.8 inches devicesMore OLED phonesMore 400+ PPI phonesMore 120Hz phonesMore Samsung devices

    Developer Quick Copy

    Approximate CSS viewport dimensions for responsive development. Values are derived from native resolution and estimated device pixel ratio.

    Viewport
    480 × 1029
    Media Query
    @media (max-width: 480px)
    Tailwind
    max-w-[480px]

    Frequently asked questions

    Is the Galaxy S23 Ultra bigger than the Galaxy S22 Ultra?
    The Galaxy S23 Ultra has the same screen size as the Galaxy S22 Ultra.
    Which phones have the same screen size as the Galaxy S23 Ultra?
    Devices with a similar 6.8 inches display include POCO F7, iPhone 16 Plus, Pixel 11 Pro XL, Redmi 13.
    Is 500 PPI noticeable on the Galaxy S23 Ultra?
    The Galaxy S23 Ultra's pixel density is about average for Galaxy S devices. Above 400 PPI, individual pixels are difficult to discern at normal viewing distance.
    Can I use the Galaxy S23 Ultra one-handed?
    With a body width of 78.1 mm, the Galaxy S23 Ultra rates 2/5 for one-handed use (Challenging). Phones under 72 mm wide are generally comfortable for one-handed operation.
    How does the Galaxy S23 Ultra compare to the POCO F7?
    Both have similar screen sizes (6.8 inches vs 6.83 inches). The Galaxy S23 Ultra offers 3088 × 1440 at 500 PPI, while the POCO F7 has 2772 × 1280 at 447 PPI.

    Keep exploring

    Tools and guides for screen size, pixel density, and display specs.

    Tools

    • Viewport CheckerLive CSS viewport and safe-area values
    • DPR CheckerRead device pixel ratio live
    • Breakpoint CheckerTest width against Tailwind tiers
    • Media Query GeneratorGenerate @media CSS snippets
    • Monitor Size CalculatorFind physical monitor dimensions
    • Pixel Density CalculatorCalculate screen PPI
    • Aspect Ratio GeneratorConvert aspect ratios

    Guides

    • Screen Resolution vs Screen Size vs Pixel Density (PPI vs DPI Explained)Confused about screen resolution, screen size, and pixel density? Learn the differences between PPI vs DPI, see real-world examples (iPhone 15 vs Galaxy S24), and discover how to calculate pixel density.

    Compare with confidence

    See every screen detail side by side before you buy

    Check size, resolution, pixel density, and key specs in one clean comparison view.

    Compare hundreds of phones, tablets, laptops, and monitors.

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