Galaxy S23 Ultra • Unlocked vs Galaxy S24 • Unlocked

Galaxy S23 Ultra • Unlocked
Galaxy S23 Ultra • Unlocked
Starting at

Refurbished price:$399.99

Versus $1,199.99 new

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Galaxy S24 • Unlocked
Galaxy S24 • Unlocked
Starting at

Refurbished price:$342.00

Versus $766.00 new

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Ratings

The Samsung Galaxy S23 Ultra, released in February 2023, and the Samsung Galaxy S24, launched in January 2024, represent different tiers within Samsung's flagship smartphone offerings. While both devices operate on the Android platform with Samsung's One UI, they cater to distinct user preferences through differences in their physical design, camera capabilities, and overall feature sets. The S23 Ultra is a larger, more feature-rich device from the previous generation, whereas the S24 is the more compact, current-generation base model.

Scores

Durability

When considering the longevity of these devices, several factors come into play, including their release timelines, software support, and physical durability.

  • Release Timeline and Age: The Galaxy S23 Ultra was released in February 2023, making it approximately one year older than the Galaxy S24, which launched in January 2024. This difference in release date directly impacts their respective software support cycles. [4, 5]
  • OS Support Duration: The Galaxy S24 benefits from Samsung's extended software commitment, promising seven years of operating system and security updates, theoretically extending its support into early 2031. [2, 15] In contrast, the Galaxy S23 Ultra was promised four years of OS upgrades and five years of security updates, with support expected to end around 2028. [18, 24] This means the Galaxy S24 will receive significantly more major Android updates over its lifespan.
  • Durability Features: Both devices feature an IP68 rating for dust and water resistance, indicating robust protection against environmental elements. [1, 40] The Galaxy S23 Ultra utilizes Gorilla Glass Victus 2 for screen protection, while the Galaxy S24 features an Armor Aluminum frame, suggesting enhanced structural integrity. [3, 37, 40]

Release Year

2023

2024

Last OS Compatibility

Yes

Yes

OS

Android

Android

Foldable

No

No

Performance

The performance of a smartphone is crucial for daily operations, from launching applications to handling demanding tasks. Both the Galaxy S23 Ultra and Galaxy S24 offer capable performance, though with generational differences.

  • Processor Capabilities: The Galaxy S24 features a newer generation processor, which provides generational improvements in overall speed and efficiency. This translates to slightly faster app loading times and smoother transitions in everyday use. The Galaxy S23 Ultra, while a generation older, still offers robust performance, handling demanding applications and multitasking with ease. [6, 7, 26]
  • Multitasking and Responsiveness: Both devices are designed to offer a fluid user experience. The Galaxy S23 Ultra typically comes with 8GB or 12GB of RAM, while the base Galaxy S24 is equipped with 8GB of RAM. [1, 4, 26] For most users, both configurations provide ample memory for switching between multiple applications without significant slowdowns.
  • Battery Behavior: The Galaxy S23 Ultra is equipped with a larger 5000mAh battery, compared to the 4000mAh battery in the Galaxy S24. [1, 4] In typical usage, the S23 Ultra generally offers extended battery life, often lasting through a full day of heavy use. The Galaxy S24, despite its smaller battery, benefits from a more power-efficient processor and display, contributing to respectable endurance for its size. [7, 46]

Memory (GB)

8 GB

8 GB

Screen quality

The display is a primary interface for any smartphone, and both the Galaxy S23 Ultra and Galaxy S24 offer high-quality viewing experiences with distinct characteristics.

  • Display Technology and Resolution: Both phones feature Dynamic AMOLED 2X displays, known for vibrant colors and deep blacks. The Galaxy S23 Ultra boasts a larger 6.8-inch display with a Quad HD+ resolution (3088x1440 pixels), providing exceptional sharpness and detail. [4, 26] The Galaxy S24 has a more compact 6.2-inch display with a Full HD+ resolution (2340x1080 pixels). [1, 9]
  • Brightness and Outdoor Visibility: The Galaxy S24 features a higher peak brightness of 2600 nits, making it exceptionally visible even in direct sunlight. [3, 7] The Galaxy S23 Ultra also offers a bright display with a peak brightness of 1750 nits, which is still very good for outdoor use. [6, 28]
  • Refresh Rate and Form Factor: Both devices offer an adaptive refresh rate that can scale from 1Hz to 120Hz, ensuring smooth scrolling and responsive interactions while conserving battery life. [3, 12] A notable design difference is the S23 Ultra's subtly curved display edges, which contribute to a more immersive feel, while the Galaxy S24 features a flat display, which some users find more practical for screen protectors and edge-to-edge content. [6, 13, 37]

Resolution

1440 x 3088

1080 x 2340

Screen type

Dynamic AMOLED 2X

Dynamic LTPO AMOLED 2X

Audiovisual

Camera performance is a key consideration for many users, and both the Galaxy S23 Ultra and Galaxy S24 offer versatile camera systems, though with different strengths.

  • Main Camera Capabilities: The Galaxy S23 Ultra features a high-resolution 200MP main sensor, capable of capturing highly detailed images, especially in good lighting conditions. [6, 28] The Galaxy S24 comes with a 50MP main sensor, which also delivers excellent photos with good detail and color accuracy. [1, 8]
  • Zoom and Telephoto Lenses: The S23 Ultra stands out with its advanced zoom capabilities, including two telephoto lenses offering 3x and 10x optical zoom, allowing for significant magnification without loss of quality. [6, 19] The Galaxy S24 includes a single 10MP telephoto lens with 3x optical zoom. [8, 13] For users who frequently utilize extreme zoom, the S23 Ultra offers a more capable hardware solution.
  • Low-Light Photography and Video: Both phones perform well in low-light conditions, utilizing advanced processing to produce clear and bright images. The S23 Ultra's larger sensor can sometimes capture more light. For video recording, both devices support high-resolution capture, with the S23 Ultra offering slightly more advanced options due to its more versatile hardware. [8, 14]

Main camera

200 megapixels

50 megapixels

Front camera

12 megapixels

12 megapixels

Miscellaneous

Beyond the core specifications, several other features contribute to the overall user experience and practical utility of these smartphones.

  • Connectivity and Ports: Both the Galaxy S23 Ultra and Galaxy S24 support 5G connectivity, Wi-Fi 6E, and Bluetooth 5.3, ensuring fast and reliable wireless connections. [1, 40] Both devices utilize a USB-C port for charging and data transfer.
  • Biometric Security: For secure unlocking, both models incorporate ultrasonic in-display fingerprint sensors and support face recognition. [40]
  • Dimensions and Handling: The Galaxy S23 Ultra is a larger and heavier device, measuring 163.4 x 78.1 x 8.9mm and weighing 234g. [6, 40] This larger form factor accommodates its expansive display and integrated S Pen. The Galaxy S24 is more compact and lighter at 147.00 x 70.60 x 7.60mm and 168g, making it easier for one-handed use and pocketability. [1]
  • Unique Features: A significant differentiator is the integrated S Pen stylus found in the Galaxy S23 Ultra, offering enhanced productivity for note-taking, drawing, and precise navigation. The Galaxy S24 does not include an S Pen. [25, 37]

Weight

8 oz

6 oz

Screen size (inches)

6.8

6.2

Network

5G

5G

SIM card

Physical SIM + eSIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

The Samsung Galaxy S23 Ultra and Galaxy S24 cater to different user needs, each excelling in specific areas. Users frequently praise the Galaxy S23 Ultra for its exceptional camera system, particularly its advanced zoom capabilities, and its long-lasting battery. [14, 29] The integrated S Pen is also a significant draw for those who value productivity and creative input. Some users have noted its larger size and weight as a potential drawback for one-handed use. [33, 41]

The Galaxy S24 is often lauded for its more compact design, making it easier to handle, and its extended software support, ensuring a longer period of up-to-date features and security. [2, 15] Early user feedback for the S24 has sometimes mentioned concerns regarding display color calibration in vivid mode and occasional camera choppiness when switching zoom levels, though software updates are often released to address such issues. [11, 30, 32]

Users prioritizing an expansive display, advanced photography features with extensive zoom, and the versatility of an integrated stylus may find the Galaxy S23 Ultra well-suited to their needs. Conversely, users who prefer a more compact and lighter device, desire the longest possible software support, and appreciate a brighter display for outdoor viewing may lean toward the Galaxy S24. Both devices offer a premium Android experience, and choosing between them often comes down to these practical considerations. For those seeking an eco-friendly alternative, both models are available as quality-assured refurbished options.

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