Samsung Galaxy S21 vs S21 Plus: Which Should You Buy?

Versus
By Versus Guy May 1, 2026
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Struggling to choose between the Samsung Galaxy S21 and the S21 Plus? You’re not alone! Both phones boast impressive features and performance, making the decision a tough one. This comparison will break down the key differences to help you find the perfect fit for your needs.

The Samsung Galaxy S21 offers a fantastic user experience with its sleek design and powerful processor. However, the S21 Plus steps things up with a larger display and battery, potentially making it a better choice for some users. We’ll explore these differences and more.

We’ll delve into the specifics, comparing the displays, cameras, battery life, and overall performance of the Samsung Galaxy S21 vs S21 Plus. Get ready to discover which phone reigns supreme in this head-to-head showdown and which one is the best fit for you.

Specs at a Glance

FeatureS21S21+
Display Size6.2 inches6.7 inches
Display TechnologyDynamic AMOLED 2XDynamic AMOLED 2X
Resolution2400 x 1080 pixels2400 x 1080 pixels
ProcessorSnapdragon 888 / Exynos 2100Snapdragon 888 / Exynos 2100
RAM8GB8GB
Internal Storage128GB / 256GB128GB / 256GB
Main Camera12MP + 12MP + 64MP12MP + 12MP + 64MP
Front Camera10MP10MP
Battery Capacity4000 mAh4800 mAh
Charging Speed25W25W
5G ConnectivityYesYes
Water ResistanceIP68IP68

Feature-by-Feature Breakdown

Display

  • Samsung Galaxy S21: Features a 6.2-inch Dynamic AMOLED 2X display with a 120Hz refresh rate, offering vibrant colors and smooth scrolling. Its compact size makes it comfortable to hold. However, the smaller screen size might feel cramped for some users.
  • S21 Plus: Boasts a larger 6.7-inch Dynamic AMOLED 2X display with the same 120Hz refresh rate, providing an immersive viewing experience. The bigger screen is great for media consumption and multitasking. However, it’s slightly less pocketable.
  • Winner: S21 Plus

Battery Life

  • Samsung Galaxy S21: Equipped with a 4000mAh battery, it provides all-day battery life for moderate use. Heavy users might need to recharge before the end of the day.
  • S21 Plus: Houses a larger 4800mAh battery, offering significantly better battery life. It easily lasts a full day, even with heavy usage.
  • Winner: S21 Plus

Size and Weight

  • Samsung Galaxy S21: More compact and lightweight, making it easier to handle and use with one hand. Its smaller footprint is a major advantage for those who prefer portability.
  • S21 Plus: Larger and heavier, which can feel less comfortable for some users. The increased size contributes to a more immersive experience but sacrifices some portability.
  • Winner: S21

Build Quality

  • Samsung Galaxy S21: Features a plastic back with a metal frame. While durable, the plastic back may feel less premium compared to the glass used in the Plus model.
  • S21 Plus: Boasts a glass back with a metal frame, providing a more premium look and feel. It is more susceptible to fingerprints and scratches.
  • Winner: S21 Plus

Camera System

  • Samsung Galaxy S21: Features a versatile triple-lens rear camera system, delivering excellent image quality in various lighting conditions. It offers great overall performance for everyday photography.
  • S21 Plus: Shares the same camera system as the S21, offering identical photo and video capabilities. There’s no significant difference in image quality between the two.
  • Winner: Tie

Charging Speed

  • Samsung Galaxy S21: Supports 25W fast charging. It can quickly replenish the battery, but the charging speed isn’t the fastest in its class.
  • S21 Plus: Also supports 25W fast charging. The charging speed is identical to the S21.
  • Winner: Tie

Connectivity

  • Samsung Galaxy S21: Offers 5G connectivity and Wi-Fi 6E support, ensuring fast data speeds. It’s fully equipped for the latest wireless standards.
  • S21 Plus: Offers the same 5G connectivity and Wi-Fi 6E support. It provides identical connectivity options to the S21.
  • Winner: Tie

Price

  • Samsung Galaxy S21: Generally more affordable than the S21 Plus, making it a better value for users on a budget.
  • S21 Plus: Priced higher than the S21 due to its larger size, battery, and premium build.
  • Winner: S21

Winner by Category

CategoryWinner
Display Sizes21 plus
Battery Lifes21 plus
Portabilitys21
Overall Values21

What They Have in Common

  • Processor: Both the Galaxy S21 and S21+ are powered by the same high-performance processor, either the Snapdragon 888 or the Exynos 2100 depending on the region. This ensures similar performance capabilities across both models.
  • Display Technology: Both phones utilize a Dynamic AMOLED 2X display, providing vibrant colors, deep blacks, and excellent viewing angles. This technology ensures a premium visual experience.
  • Camera System: The primary camera setups on both devices are identical, featuring a versatile triple-lens system for capturing a wide range of photos and videos. This includes a main, ultrawide, and telephoto lens.
  • 5g Connectivity: Both the Galaxy S21 and S21+ offer 5G connectivity, allowing users to take advantage of faster download and upload speeds where 5G networks are available.
  • Water Resistance: Both phones are IP68-rated for water and dust resistance, offering protection against accidental spills and exposure to the elements.

Samsung Galaxy S21 Vs S21 Plus Buying Guide

Design and Display

Both the Samsung Galaxy S21 and S21 Plus boast stunning designs, but subtle differences exist. The S21 features a smaller 6.2-inch display, while the S21 Plus offers a larger 6.7-inch screen. Both use Dynamic AMOLED 2X technology for vibrant colors and excellent viewing angles. The S21 Plus’s larger size might be preferred by those who enjoy media consumption and gaming. The materials are also slightly different, influencing the in-hand feel.

Performance and Software

Under the hood, both phones share the same powerful processor, either a Snapdragon 888 or Exynos 2100, depending on the region. This ensures a smooth and responsive user experience for demanding tasks like gaming and multitasking. They both run Samsung’s One UI based on Android, offering a wealth of customization options and features. Software updates are also consistent across both models, guaranteeing the latest security patches and feature enhancements. (See Also: Demeyere 5 Plus Vs Atlantis )

Camera Capabilities

The camera systems on the S21 and S21 Plus are largely identical, featuring a versatile triple-lens setup. This includes a 12MP main lens, a 12MP ultrawide lens, and a 64MP telephoto lens. Both phones capture excellent photos and videos in various lighting conditions. While the core camera hardware is the same, software optimization might yield slight differences in image processing. The resulting photos and videos are of high quality.

Battery Life

Battery life is one area where the S21 Plus gains an edge. Due to its larger battery capacity, it generally offers longer usage times compared to the S21. The S21 may require more frequent charging, especially with heavy usage. Consider your typical daily usage patterns when deciding between the two. The S21 Plus is a better choice if you need a phone that lasts throughout the day.

Connectivity and Features

Both phones support 5G connectivity, ensuring fast data speeds where available. They also include features like fast wireless charging, reverse wireless charging, and IP68 water and dust resistance. The S21 Plus often includes Ultra-Wideband (UWB) technology, adding location-based functionality. Both phones also have fingerprint sensors and support Samsung Pay. These are essential features.

Price and Value

The Samsung Galaxy S21 is typically the more affordable option, making it an excellent value for its performance and features. The S21 Plus comes with a higher price tag, reflecting its larger display, battery, and potential extra features. Consider your budget and priorities. Evaluate whether the added benefits of the S21 Plus justify the price difference. The S21 offers a great experience at a lower cost. (See Also: Nikon 50 1 8 Vs 1 4 )

Who Should Buy What?

Buy samsung galaxy s21 If…

  • You prefer a more compact phone that’s easier to handle with one hand.
  • You want a flagship experience at a slightly lower price point.
  • You prioritize portability and ease of use in your everyday device.

Buy s21 plus If…

  • You want a larger display for a more immersive viewing experience, especially for media consumption.
  • You need longer battery life to get through a full day of heavy usage.
  • You don’t mind a slightly larger phone size for the added benefits.

Frequently Asked Questions

What are the main differences between the S21 and S21 Plus?

The primary differences lie in the display size, battery capacity, and potentially some design elements. The S21 has a smaller 6.2-inch screen and a smaller battery, while the S21 Plus boasts a 6.7-inch display and a larger battery. The S21 Plus might offer Ultra-Wideband (UWB) technology, but camera and performance are largely similar.

Which phone has a better display?

Both phones have excellent Dynamic AMOLED 2X displays. The S21 Plus has a larger 6.7-inch screen, which is ideal for media consumption and gaming. However, the S21’s 6.2-inch display is still of high quality, offering vibrant colors and excellent viewing angles. The ‘better’ display depends on your preferences.

Does the S21 Plus have a better camera?

The camera systems are very similar, both featuring a triple-lens setup with a 12MP main lens, 12MP ultrawide, and 64MP telephoto lens. While the hardware is largely the same, software processing might yield slight variations in image quality. However, the S21 Plus doesn’t inherently have a superior camera system.

How does the battery life compare?

The S21 Plus generally offers better battery life due to its larger battery capacity. The S21’s battery life is still decent, but the S21 Plus can last longer on a single charge. If battery life is a priority, then the S21 Plus is the better choice. It can keep up with even the heaviest of usage. (See Also: Samsung Pro Vs Evo 850 )

Are both phones 5G compatible?

Yes, both the Samsung Galaxy S21 and S21 Plus support 5G connectivity, allowing for fast data speeds where 5G networks are available. This ensures that you can take advantage of the latest cellular technology. 5G is included as a standard feature on both of these phones.

What about the design and build quality?

Both phones have premium designs. The S21 features a smaller footprint, while the S21 Plus has a larger screen. Both phones use high-quality materials, with an IP68 rating for water and dust resistance. The design is modern, and the build quality is excellent.

Which phone is the better value?

The Samsung Galaxy S21 is often the more affordable option, making it a better value for its price. The S21 Plus has a higher price, reflecting its larger display and battery. The value depends on your priorities and budget. Consider how much you value the extra features.

Final Verdict

Both the Samsung Galaxy S21 and S21 Plus are excellent smartphones, offering top-tier performance and features. The S21 Plus distinguishes itself with a larger display and extended battery life, making it a better choice for media enthusiasts and power users. However, the S21 provides exceptional value and remains a compelling option for those seeking a premium experience at a more accessible price point. The ultimate decision rests on individual needs and preferences.

Winner: Samsung Galaxy S21 Plus