Galaxy S21 Ultra 5G • Unlocked vs Google Pixel 8 • Unlocked

Galaxy S21 Ultra 5G • Unlocked
Galaxy S21 Ultra 5G • Unlocked
Starting at

Refurbished price:$259.00

Versus $1,199.99 new

See options
Google Pixel 8 • Unlocked
Google Pixel 8 • Unlocked
Starting at

Refurbished price:$245.00

Versus $899.99 new

See options

Ratings

The Samsung Galaxy S21 Ultra 5G, released in January 2021, and the Google Pixel 8, launched in October 2023, represent distinct approaches to the premium smartphone experience. While both operate on the Android platform, they differ significantly in their software support timelines, camera philosophies, and overall design. The S21 Ultra 5G offers a larger form factor and a versatile multi-lens camera system, whereas the Pixel 8 emphasizes a more compact design and advanced computational photography features.

Scores

Durability

The longevity of a smartphone is often determined by its software support and physical resilience. These two devices offer different timelines for updates and varying degrees of repairability.

  • Software Support: The Google Pixel 8 launched with Android 14 and is committed to receiving seven years of OS upgrades, security updates, and feature drops, extending its support until October 2030. In contrast, the Samsung Galaxy S21 Ultra 5G, which debuted with Android 11, received four years of major OS updates (up to Android 15) and five years of security updates, concluding around January or February 2026.
  • Physical Durability: Both devices feature Gorilla Glass Victus on the front and back, along with an aluminum frame, contributing to their robust build. They also share an IP68 rating for dust and water resistance, indicating protection against immersion in water.
  • Expected Lifespan: Users prioritizing extended software longevity will find the Pixel 8's seven-year update commitment a significant advantage, potentially allowing for a longer practical usage period before software becomes outdated. The S21 Ultra 5G, while still a capable device, has reached the end of its major OS update cycle and is nearing the end of its security update period.

Release Year

2021

2023

Last OS Compatibility

Yes

Yes

OS

Android

Android

Foldable

No

No

Performance

Performance in daily use is influenced by a device's internal components, affecting everything from app responsiveness to battery endurance. Both phones deliver capable performance for typical smartphone tasks.

  • Processing Power: The Pixel 8, with its newer generation processor, handles demanding applications and multitasking smoothly, offering efficient performance for everyday use and more intensive tasks. The Galaxy S21 Ultra 5G, powered by its respective generation processor, provides a responsive experience for most applications and gaming, though it is an older generation.
  • Multitasking and Storage: The Galaxy S21 Ultra 5G typically offers higher RAM configurations (12GB or 16GB) compared to the Pixel 8's 8GB, which can be beneficial for keeping many applications open simultaneously without reloading. Both devices offer 128GB and 256GB storage options, with the S21 Ultra 5G also having a 512GB variant, providing ample space for apps, photos, and media.
  • Battery Behavior: The Galaxy S21 Ultra 5G features a larger 5000 mAh battery, which generally translates to extended usage times for many users. The Pixel 8 has a 4575 mAh battery, and while it benefits from a more efficient processor and a smaller display, some users report that heavy usage may require more frequent charging.

Memory (GB)

12 GB

8 GB

Screen quality

The display is a primary interface for smartphone interaction, and both devices offer high-quality viewing experiences with distinct characteristics.

  • Display Technology and Size: The Galaxy S21 Ultra 5G features a larger 6.8-inch Dynamic AMOLED 2X display, providing an expansive canvas for content consumption. The Pixel 8 has a more compact 6.2-inch Actua OLED display, which can be more comfortable for one-handed use.
  • Resolution and Clarity: The S21 Ultra 5G offers a higher QHD+ resolution (1440 x 3200 pixels), resulting in a very sharp image, particularly noticeable with detailed content. The Pixel 8's FHD+ resolution (1080 x 2400 pixels) still delivers clear visuals for most users, with a slightly lower pixel density.
  • Brightness and Refresh Rate: Both phones feature adaptive 120Hz refresh rates for smooth scrolling and animations. The Pixel 8 boasts a higher peak brightness of 2000 nits, which can improve visibility in bright outdoor conditions, compared to the S21 Ultra 5G's 1500 nits peak brightness.

Resolution

1440 x 3200

1080 x 2400

Screen type

Dynamic AMOLED 2X

OLED

Audiovisual

Both the Galaxy S21 Ultra 5G and the Pixel 8 are recognized for their camera capabilities, though they approach photography with different strengths.

  • Rear Camera Systems: The Galaxy S21 Ultra 5G features a versatile quad-camera setup, including a 108 MP main sensor, a 12 MP ultrawide, and two 10 MP telephoto lenses offering 3x and 10x optical zoom, providing extensive zoom capabilities. The Pixel 8 has a dual-camera system with a 50 MP main sensor and a 12 MP ultrawide lens, relying heavily on computational photography for image enhancement.
  • Photography Performance: The S21 Ultra 5G excels in offering a wide range of focal lengths and impressive optical zoom for distant subjects. The Pixel 8 is known for its consistent image processing, producing natural colors and strong low-light performance, often leveraging its software for detailed and balanced shots.
  • Video Recording and Front Camera: Both devices are capable of recording high-quality video. The S21 Ultra 5G can record up to 8K video at 24fps, while the Pixel 8 offers 4K recording at up to 60fps. For selfies, the S21 Ultra 5G has a 40 MP front camera, while the Pixel 8 features a 10.5 MP front camera.

Main camera

108 megapixels

50 megapixels

Front camera

40 megapixels

10.5 megapixels

Miscellaneous

Beyond core features, several practical elements contribute to the overall user experience and daily convenience of these smartphones.

  • Connectivity and Ports: Both devices support 5G connectivity for fast mobile data. The Pixel 8 offers Wi-Fi 7, a newer standard, while the S21 Ultra 5G supports Wi-Fi 6E. Both utilize a USB-C port for charging and data transfer.
  • Biometrics and Sensors: Both phones include under-display fingerprint sensors and face recognition for secure unlocking. The S21 Ultra 5G also uniquely supports the S Pen, offering additional input capabilities, though the stylus is sold separately.
  • Design and Handling: The Galaxy S21 Ultra 5G is a larger and heavier device, weighing around 227-229 grams with dimensions of 165.1 x 75.6 x 8.9 mm. The Pixel 8 is more compact and lighter at 187 grams and measures 150.5 x 70.8 x 8.9 mm, making it potentially easier to handle for some users.

Weight

8 oz

7 oz

Screen size (inches)

6.8

6.1

Network

5G

5G

SIM card

Physical SIM + eSIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

User feedback for the Samsung Galaxy S21 Ultra 5G often praises its expansive and vibrant display, the versatility of its camera system with impressive zoom capabilities, and its robust build quality. Some common criticisms have included its substantial size and weight, which can make one-handed use challenging, and some users noted that battery life, while generally good, could be inconsistent with heavy use of its high-resolution, high-refresh-rate display.

The Google Pixel 8 generally receives positive remarks for its compact form factor, consistent camera performance driven by computational photography, and its commitment to long-term software support. Users appreciate its clean Android experience and the integration of AI-powered features. Criticisms sometimes point to its battery life, which some users find to be average, and the absence of a dedicated telephoto lens on the standard model.

Users prioritizing a large, high-resolution display and a highly versatile camera system with extensive optical zoom capabilities may find the Galaxy S21 Ultra 5G well-suited to their needs. Those who value a more compact device, a longer software support timeline, and a camera system that excels with computational photography for consistent results might lean toward the Pixel 8. Both devices offer a quality-assured refurbished option, providing an eco-friendly alternative for consumers.

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