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  1. Home
  2. /Smartphones
  3. /Samsung
  4. /Galaxy S21 Ultra 5G 128
SmartphonesSamsung

Samsung Galaxy S21 Ultra 5G 128

7.2

VersusMatrix

out of 10

6.8in
Display
120Hz
Refresh
5,000mAh
Battery
25W
Charging

Where to Buy

ebay

from $250

Buy →

amazon

from $250

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Prices may vary · We may earn a commission. Learn more

Score Breakdown

PricePricePerformancePerformanceDesignDesignBatteryBatteryDisplayDisplayCameraCamera
Top 6% CameraTop 14% PerformanceTop 26% BatteryTop 34% Display
Price
9.2
Performance
10.0
Camera
5.3
Battery
5.7
Display
5.7
Design
1.8

Why is Samsung Galaxy S21 Ultra 5G 128 better than average?

+210%

Main camera

108 MP vs avg 34.835 MP

+99%

RAM

12 GB vs avg 6.035 GB

+34%

Refresh rate

120 Hz vs avg 89.238 Hz

+27%

Battery capacity

5,000 mAh vs avg 3,951.175 mAh

Samsung Galaxy S21 Ultra 5G 128 — Full Specifications

Operating System
Android 11, upgradable to Android 14
Network?5G/4G cellular data connectivity.
5G, 4G LTE
SIM
Dual SIM (Nano-SIM), eSIM

See a missing or incorrect spec? Let us know

About the Samsung Galaxy S21 Ultra 5G 128

The Samsung Galaxy S21 Ultra 5G 128, released in 2026, showcases a sleek and modern design that combines elegance with functionality. Its premium glass and metal construction not only enhances its aesthetic appeal but also ensures durability. The large 6.8-inch Dynamic AMOLED display offers vibrant colors and sharp details, making it perfect for streaming videos and gaming. With a resolution of 3200 x 1440 pixels, users can enjoy an immersive viewing experience, while the adaptive refresh rate of up to 120Hz ensures smooth scrolling and responsiveness.

In terms of performance, the Galaxy S21 Ultra is powered by a robust processor that handles multitasking with ease, allowing users to run multiple applications without lag. The device comes with 128GB of internal storage, providing ample space for apps, photos, and videos. Key features include an impressive camera system with multiple lenses, including a 108MP main sensor, enabling stunning photography in various conditions. However, despite its strong features, the overall score of 6.2/10 suggests that it may not fully meet the expectations of all users, particularly when compared to newer models in the market. Nonetheless, it remains a solid choice for those seeking a high-quality smartphone experience.

Who Should Buy This?

The Samsung Galaxy S21 Ultra 5G 128 is ideal for professionals and content creators who prioritize high-quality photography and video capabilities. With its impressive camera system, it's perfect for capturing stunning visuals on the go. However, while it offers decent performance for multitasking and gaming, it may not satisfy heavy gamers seeking top-tier performance. Additionally, the battery life is average, which could be a drawback for users who rely on their phones throughout the day. Overall, it's a solid choice for those who value camera quality over raw performance.

Reviewed by VersusMatrix Editorial Team

Last updated: April 16, 2026

Editorial guidelines

Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.

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Frequently Asked Questions

Is the Samsung Galaxy S21 Ultra 5G 128 worth buying in 2026?

The Samsung Galaxy S21 Ultra 5G 128, released in 2026, showcases a sleek and modern design that combines elegance with functionality. Its premium glass and metal construction not only enhances its aesthetic appeal but also ensures durability. The large 6.8-inch Dynamic AMOLED display offers vibrant...

What battery does the Samsung Galaxy S21 Ultra 5G 128 have?

The Samsung Galaxy S21 Ultra 5G 128 is equipped with a 5000 mAh battery, supporting 25W wired charging and 15W wireless charging.

What camera does the Samsung Galaxy S21 Ultra 5G 128 have?

The Samsung Galaxy S21 Ultra 5G 128 features a 108MP main camera and a 40MP front camera, capable of recording 8K@24fps, 4K@60fps video.

What is the display size of the Samsung Galaxy S21 Ultra 5G 128?

The Samsung Galaxy S21 Ultra 5G 128 has a 6.8" display (Dynamic AMOLED 2X) with a 120Hz refresh rate and 1750 nits peak brightness.

Is the Samsung Galaxy S21 Ultra 5G 128 waterproof?

Yes, the Samsung Galaxy S21 Ultra 5G 128 has IP68 water resistance, meaning it can withstand immersion in water.

How much RAM does the Samsung Galaxy S21 Ultra 5G 128 have?

The Samsung Galaxy S21 Ultra 5G 128 has 12GB of RAM and is powered by the Exynos 2100 / Snapdragon 888 chipset, with 128GB of storage.

What is the price of the Samsung Galaxy S21 Ultra 5G 128?

The Samsung Galaxy S21 Ultra 5G 128 is priced at approximately $250. Check the buy links above for current prices from retailers.

Who should buy the Samsung Galaxy S21 Ultra 5G 128?

The Samsung Galaxy S21 Ultra 5G 128 is ideal for professionals and content creators who prioritize high-quality photography and video capabilities. With its impressive camera system, it's perfect for capturing stunning visuals on the go. However, while it offers decent performance for multitasking and gaming, it may not satisfy heavy gamers seeking top-tier performance. Additionally, the battery life is average, which could be a drawback for users who rely on their phones throughout the day. Overall, it's a solid choice for those who value camera quality over raw performance.

VersusMatrix Score

7.2

out of 10

$ Price
15%9.2
Performance
30%10.0
Camera
20%5.3
Battery
20%5.7
Display
10%5.7
Design
5%1.8

How We Score

Scores are calculated by comparing all smartphones in our database. Each dimension is weighted and normalized relative to the category.

$ Price15%

Based on Price (USD) · lower is better

Performance30%

Based on Benchmark Score

Camera20%

Based on Camera (MP)

Battery20%

Based on Battery (mAh)

Display10%

Based on Refresh Rate (Hz)

Design5%

Based on Weight (g) · lower is better

Products missing data for a dimension receive the median score. Overall = weighted sum of all dimensions.

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