Galaxy S24 • Unlocked vs iPhone 15 • Locked AT&T

Galaxy S24 • Unlocked
Galaxy S24 • Unlocked
Starting at

Refurbished price:$342.00

Versus $766.00 new

See options
iPhone 15 • Locked AT&T
iPhone 15 • Locked AT&T
Starting at

Refurbished price:$348.00

Versus $729.00 new

See options

Ratings

The Samsung Galaxy S24, released in January 2024, and the Apple iPhone 15, launched in September 2023, represent the latest iterations of their respective flagship smartphone lines. These devices offer distinct experiences rooted in their Android and iOS operating systems. While both provide robust performance and advanced camera systems, key differences emerge in display technology, software support commitments, and integrated artificial intelligence features.

Scores

Durability

When considering the long-term usability of a smartphone, software support and physical durability are important factors. Both devices offer robust build quality and water resistance, but their approaches to longevity differ.

  • Software Updates: The Galaxy S24 is notable for Samsung's commitment to providing seven years of operating system and security updates, extending its software lifespan significantly. The iPhone 15, while known for receiving consistent iOS updates for several years, typically offers support for 5-6 years from its release.
  • Battery Longevity: Apple has indicated that the iPhone 15's battery is designed to retain 80% of its original capacity after 1,000 charge cycles, which is double the previous generation's claim. This suggests an improved practical lifespan for the battery component.
  • Repairability: The Galaxy S24 has demonstrated a high repairability score, with some models receiving a 9 out of 10, partly due to design choices like easily removable batteries. The iPhone 15 initially received a lower repairability score, but this was later updated to 7 out of 10, reflecting Apple's efforts to make repairs more accessible, particularly for screen and battery replacements.

Release Year

2024

2023

Last OS Compatibility

Yes

Yes

OS

Android

iOS

Foldable

No

No

Performance

Both the Galaxy S24 and iPhone 15 deliver smooth performance for daily tasks, but their underlying hardware and software optimizations cater to slightly different user priorities.

  • Processing Power: The Galaxy S24 is equipped with a current-generation processor, either the Snapdragon 8 Gen 3 in some regions or the Exynos 2400 in others, enabling it to handle demanding applications, intensive multitasking, and graphic-rich gaming with fluidity. The iPhone 15 features the A16 Bionic chip, which provides a highly responsive experience for app launches, navigating the operating system, and running a wide range of games and creative tools.
  • Multitasking and Storage: The Galaxy S24 typically comes with 8GB of RAM, contributing to efficient multitasking and app retention in memory. The iPhone 15 generally includes 6GB of RAM, which, combined with iOS's memory management, also allows for smooth transitions between applications. Both devices offer various storage options, with the iPhone 15 extending up to 512GB.
  • Battery Behavior: The Galaxy S24 houses a 4000 mAh battery, designed to support extended usage throughout the day. The iPhone 15 has a 3349 mAh battery, and user experiences suggest it provides reliable power for a full day of moderate use.

Memory (GB)

8 GB

6 GB

Screen quality

The visual experience on both devices is vibrant and clear, though they employ different display technologies and refresh rates that impact perceived smoothness and brightness.

  • Display Technology and Clarity: The Galaxy S24 features a 6.2-inch Dynamic AMOLED 2X display, offering deep blacks, rich colors, and a resolution of 1080 x 2340 pixels. The iPhone 15 comes with a 6.1-inch Super Retina XDR OLED display, providing sharp visuals with a resolution of 2556x1179 pixels and excellent color accuracy.
  • Brightness and Refresh Rate: The Galaxy S24 boasts a high adaptive refresh rate of up to 120Hz, which makes scrolling and animations appear very fluid. It also achieves a peak brightness of 2600 nits, ensuring good visibility even in bright outdoor conditions. The iPhone 15 has a standard 60Hz refresh rate, which is consistent but less fluid than higher refresh rate displays. Its peak outdoor brightness reaches 2000 nits, providing clear viewing in various lighting environments.
  • Unique Features: The iPhone 15 incorporates the Dynamic Island, an interactive area around the front camera that displays alerts and live activities.

Resolution

1080 x 2340

1179 x 2556

Screen type

Dynamic LTPO AMOLED 2X

Super Retina XDR OLED

Audiovisual

Both smartphones offer advanced camera systems capable of capturing high-quality photos and videos, with distinct strengths in their photographic capabilities and features.

  • Rear Camera Systems: The Galaxy S24 features a versatile triple-camera setup, including a 50 MP main sensor, a 12 MP ultrawide lens, and a 10 MP telephoto lens with 3x optical zoom. This configuration allows for a range of photographic styles, from wide landscapes to detailed zoomed-in shots. The iPhone 15 utilizes an advanced dual-camera system with a 48 MP main sensor and a 12 MP ultrawide lens. It leverages its high-resolution main sensor to offer a 2x optical quality zoom by cropping the sensor.
  • Low-Light and Video Performance: Both devices excel in everyday photography, producing images with good detail and color. The iPhone 15 has seen improvements in low-light performance and offers automatic portrait mode detection. For video, the iPhone 15 supports 4K Dolby Vision recording, providing high-quality, stable footage. The Galaxy S24 is capable of 8K video recording and includes AI-enhanced features like AI Nightography Zoom for improved low-light zoom shots.
  • Front Camera: Both phones are equipped with 12 MP front-facing cameras, suitable for clear selfies and video calls.

Main camera

50 megapixels

48 megapixels

Front camera

12 megapixels

12 megapixels

Miscellaneous

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

  • Connectivity Standards: The Galaxy S24 supports Wi-Fi 6E and Bluetooth 5.3, offering fast and reliable wireless connections. It also features USB-C 3.2 for faster data transfer speeds in some regions. The iPhone 15 supports Wi-Fi 6 and Bluetooth 5.3, providing solid wireless performance. Its USB-C port operates at USB 2.0 speeds for data transfer.
  • Biometric Security and Ports: The Galaxy S24 incorporates an ultrasonic in-screen fingerprint sensor for secure unlocking. The iPhone 15 relies on Face ID for facial recognition security. Both devices have transitioned to the USB-C port for charging and data.
  • Design and Durability: The Galaxy S24 features an Armor Aluminum 2 frame and Gorilla Glass Victus 2 for enhanced durability. The iPhone 15 utilizes a Ceramic Shield front and a color-infused glass back with an aluminum frame, offering robust protection. Both devices carry an IP68 rating for dust and water resistance.

Weight

6 oz

171 oz

Screen size (inches)

6.2

6.1

Network

5G

5G

SIM card

Physical SIM + eSIM

eSIM

Carrier compatibility

Unlocked

AT&T

User feedback for the Samsung Galaxy S24 often highlights its advanced AI capabilities, such as Live Translate and Circle to Search, as genuinely useful innovations that enhance daily interactions. Its bright, high-refresh-rate display and the promise of seven years of software updates are also frequently praised, offering a compelling long-term value proposition for Android users. Some users, however, have noted regional differences in processor performance, depending on whether their device includes the Snapdragon or Exynos chip.

The iPhone 15 has generally been well-received for bringing the Dynamic Island to the standard models and for its significant camera improvements, particularly the 48 MP main sensor and enhanced low-light performance. The switch to USB-C has also been a welcome change for many, simplifying charging and connectivity. A common point of discussion among users is the 60Hz refresh rate of its display, which some feel is a limitation compared to other modern smartphones.

Users prioritizing a highly customizable Android experience with cutting-edge AI features and extended software support may find the Galaxy S24 well-suited to their needs. Its 120Hz display also offers a smoother visual experience. Conversely, individuals deeply integrated into the Apple ecosystem who value consistent camera performance, the intuitive iOS experience, and the integration of features like Dynamic Island may lean towards the iPhone 15. Both devices are available as quality-assured refurbished options, providing a sustainable choice for consumers.

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