Galaxy S23 Ultra Vs iPhone 15 Plus

Galaxy S23 Ultra
Galaxy S23 Ultra
Starting at

Refurbished price:£299.00

Versus £1,599.00 new

See options
iPhone 15 Plus
iPhone 15 Plus
Starting at

Refurbished price:£344.00

Versus £799.00 new

See options

Ratings

The Samsung Galaxy S23 Ultra, released in February 2023, and the iPhone 15 Plus, launched in September 2023, represent distinct approaches to the high-end smartphone market. While both offer robust performance and advanced camera systems, they cater to different user preferences through their respective operating systems and unique feature sets. The Galaxy S23 Ultra operates on Android, emphasizing versatility and a comprehensive feature list, whereas the iPhone 15 Plus runs on iOS, focusing on a streamlined user experience and integration within its ecosystem.

Scores

Durability

When considering the long-term usability of these devices, several factors contribute to their expected lifespan, including software support and physical durability.

  • Release Timeline: The Samsung Galaxy S23 Ultra was introduced in February 2023, making it several months older than the iPhone 15 Plus, which arrived in September 2023. This difference in release dates can impact the duration of future software support.
  • Software Longevity: Samsung typically provides four major Android OS upgrades and five years of security updates for its S23 series devices. Apple generally offers a longer period of iOS updates, often extending to five or six years or more from the device's release. The iPhone 15 Plus launched with iOS 17 and is compatible with iOS 26.3.1 (a) as of March 2026.
  • Build Durability: Both devices feature robust construction. The iPhone 15 Plus incorporates a Ceramic Shield front, a color-infused glass back, and an aluminum frame. The Galaxy S23 Ultra utilizes Gorilla Glass Victus 2 for enhanced screen protection. Both smartphones carry an IP68 rating, indicating resistance to dust and water immersion up to 6 meters for 30 minutes.

Year of Release

2023

2023

Compatible with latest Update

Yes

Yes

OS

Android

iOS

Foldable

No

No

Performance

The performance of these smartphones is driven by their internal components, influencing everything from app responsiveness to multitasking capabilities and storage management.

  • Storage Options: The Galaxy S23 Ultra offers a range of internal storage capacities, including 256GB, 512GB, and a substantial 1TB option. The iPhone 15 Plus is available with 128GB, 256GB, and 512GB storage configurations.
  • System Responsiveness: The Galaxy S23 Ultra is powered by a specialized version of a current-generation processor, optimized for both performance and power efficiency, ensuring demanding applications and multitasking run smoothly. The iPhone 15 Plus features a previous-generation flagship processor, which provides efficient performance for everyday tasks, supports advanced computational photography, and enables features like Voice Isolation for clearer calls.
  • Memory for Multitasking: The Galaxy S23 Ultra comes with either 8GB or 12GB of RAM, with the higher 12GB option typically paired with 512GB or 1TB storage models, benefiting users who frequently switch between many applications or engage in intensive tasks. The iPhone 15 Plus is equipped with 6GB of RAM, which is efficiently managed by its operating system to provide a fluid multitasking experience for most users.

Memory (GB)

8 GB

6 GB

Screen quality

The visual experience on both devices is a key differentiator, with each offering a large, vibrant display designed for clarity and immersion.

  • Display Technology and Clarity: The Galaxy S23 Ultra features a Dynamic AMOLED 2X display, known for its rich colors and deep blacks. It boasts a resolution of 3088 x 1440 pixels, resulting in a sharp 500 pixels per inch (ppi). The iPhone 15 Plus uses a Super Retina XDR OLED display, also delivering vibrant colors and excellent contrast. Its resolution is 2796 x 1290 pixels, providing a clear 460 ppi.
  • Brightness and Refresh Rate: For outdoor visibility, the Galaxy S23 Ultra offers a peak brightness of 1750 nits. The iPhone 15 Plus can reach a peak outdoor brightness of 2000 nits and 1600 nits for HDR content. The Galaxy S23 Ultra features an adaptive refresh rate that can scale from 1Hz to 120Hz, contributing to smoother scrolling and more fluid animations. The iPhone 15 Plus maintains a standard 60Hz refresh rate.
  • Screen Size and Viewing Experience: The Galaxy S23 Ultra has a 6.8-inch display, offering a slightly larger canvas for content consumption and productivity. The iPhone 15 Plus comes with a 6.7-inch display, providing an expansive viewing area that is well-suited for media and general use.

Resolution

1440 x 3088

1290 x 2796

Screen type

Dynamic AMOLED 2X

Super Retina XDR OLED

Audiovisual

Both smartphones offer advanced camera systems, but they differ in their primary sensor capabilities and specialized features for photography and videography.

  • Main Camera System: The Galaxy S23 Ultra is equipped with a 200MP main sensor, allowing for highly detailed images and flexible cropping options. It also includes a 12MP ultra-wide camera and two 10MP telephoto lenses, offering 3x and 10x optical zoom for versatile long-range photography. The iPhone 15 Plus features a 48MP main camera, which can also enable a 2x telephoto option through its quad-pixel sensor, alongside a 12MP ultra-wide camera.
  • Video Recording Capabilities: The Galaxy S23 Ultra supports video recording up to 8K resolution at 30 frames per second (fps), with stabilization features to ensure smooth footage. The iPhone 15 Plus offers 4K Dolby Vision video recording at up to 60 fps, providing high-quality video with enhanced dynamic range.
  • Front Camera and Audio: Both devices feature a 12MP front-facing camera for selfies and video calls. The iPhone 15 Plus includes features like Voice Isolation for clearer phone calls and supports Dolby Atmos for an immersive audio experience.

Main camera

200 megapixels

48 megapixels

Front camera

12 megapixels

12 megapixels

Miscellaneous

Beyond core features, several practical elements contribute to the overall user experience, from connectivity to physical design.

  • Connectivity and Ports: Both the Galaxy S23 Ultra and the iPhone 15 Plus support 5G cellular networks, Wi-Fi 6, and Bluetooth 5.3 for modern wireless connectivity. The Galaxy S23 Ultra also supports Wi-Fi 6E for potentially faster wireless speeds in compatible environments. The Galaxy S23 Ultra features a USB-C 3.2 port, offering faster data transfer speeds. The iPhone 15 Plus has a USB-C 2.0 port, which provides standard data transfer speeds comparable to its predecessor's Lightning port.
  • Sensors and Unique Features: The iPhone 15 Plus integrates the Dynamic Island, an interactive area around the front camera that displays alerts and live activities. The Galaxy S23 Ultra includes an in-screen ultrasonic fingerprint sensor for biometric authentication.
  • Physical Design and Handling: The Galaxy S23 Ultra measures 163.4 x 78.1 x 8.9 mm and weighs 233 grams. The iPhone 15 Plus is slightly more compact and lighter at 160.9 x 77.8 x 7.8 mm and 201 grams. The Galaxy S23 Ultra's design includes a built-in S Pen, offering additional functionality for note-taking and navigation.

Weight

234 g

201 g

Screen size (in)

6.8

6.7

Mobile network

5G

5G

SIM card

Dual Physical SIM + eSIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

Connector

USB-C

USB-C

User feedback for the Samsung Galaxy S23 Ultra often highlights its exceptional display quality, the versatility of its quad-camera system, and its capability for 8K video recording. Users also appreciate the extensive storage options and ample RAM, which support heavy usage and demanding applications. Some users, however, find its size to be somewhat unwieldy.

The iPhone 15 Plus receives praise for its integration of the Dynamic Island, significant camera improvements including a 48MP main sensor and a 2x telephoto option, and the transition to a USB-C port. Its large screen, combined with strong battery life, is often cited as a key benefit for users who desire an expansive display without needing the advanced features of the Pro models. A common point of discussion for the iPhone 15 Plus is its 60Hz display refresh rate and the USB 2.0 data transfer speeds of its USB-C port.

Users prioritizing a highly versatile camera system with extensive zoom capabilities, a large and vibrant display with a high refresh rate, and the flexibility of the Android ecosystem, particularly those who benefit from a stylus for productivity, may find the Samsung Galaxy S23 Ultra well-suited to their needs. Conversely, individuals seeking a large-screen smartphone within the Apple ecosystem, valuing a strong camera for everyday photography, consistent performance, and long battery life, may lean towards the iPhone 15 Plus. Both devices are available as quality-assured refurbished options, providing an eco-friendly alternative for consumers.

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