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AI SCORE
/ 100
Samsung Galaxy S21 Ultra 5G (2023) is a balanced everyday choice in smartphones, scoring 52/100 on our AI engine. It powered by the Snapdragon 888, paired with Mali-G78 MP14 / Adreno 660 and features a 6.8" display at 120Hz. Priced around $250, it competes in the mid-range tier.
Main camera
108 MP vs avg 53 MP
Price
$250 vs avg $513
RAM
12 GB vs avg 10 GB
Battery capacity
5,000 mAh vs avg 4,525 mAh
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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.
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.
AI-generated expert assessment · Updated 2026
The Samsung Galaxy S21 Ultra 5G is a budget smartphone that earns a VersusMatrix overall score of 52/100, placing it in the entry-tier tier of the smartphones category for 2026. Priced around $249.99, it competes most directly with other budget smartphones where buyers weigh raw specifications against everyday usability.
Where the Samsung Galaxy S21 Ultra 5G stands out most clearly is value for money (88/100) and display (84/100). On paper it ships with a 5,000mAh battery, a 108MP main camera, 12GB of RAM — the kind of hardware combination that defines its tier. In daily use these strengths translate to a smartphone that holds up well under the workloads buyers in this price band typically demand.
The trade-offs sit primarily in performance (9/100) and design and build (18/100). Buyers for whom those dimensions are deal-breakers should compare against pricier alternatives in the leaderboard — but for the majority of buyers in this price band, the trade-off is acceptable given the strengths above.
The Samsung Galaxy S21 Ultra 5G is worth considering for buyers shopping the $212-$288 smartphone market. For a head-to-head against the closest alternatives, browse the smartphones leaderboard and use the on-site comparison tool — the Samsung Galaxy S21 Ultra 5G is included in the default ranking when sorted by overall score.
Photography enthusiasts
The 108MP main camera captures detail-rich shots suitable for cropping and editing. Solid camera performance for the price.
Heavy daily users
A 5000 mAh battery gives most users 1.5-2 days of mixed use, especially helpful for commuters, travelers, and anyone who can't charge during the day.
Is the Samsung Galaxy S21 Ultra 5G a good choice for photography enthusiasts?
Yes — it's an excellent fit. The 108MP main camera captures detail-rich shots suitable for cropping and editing. Solid camera performance for the price.
Is the Samsung Galaxy S21 Ultra 5G a good choice for heavy daily users?
Yes — it's an excellent fit. A 5000 mAh battery gives most users 1.5-2 days of mixed use, especially helpful for commuters, travelers, and anyone who can't charge during the day.
Who is the Samsung Galaxy S21 Ultra 5G best suited for?
Based on its specs and scoring, the Samsung Galaxy S21 Ultra 5G is best suited for: Photography enthusiasts, Heavy daily users. See the use-case breakdown on this page for the reasoning behind each.
Reviewed by VersusMatrix Editorial Team
Last updated: May 11, 2026
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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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...
The Samsung Galaxy S21 Ultra 5G is equipped with a 5000 mAh battery, supporting 25W wired charging and 15W wireless charging.
The Samsung Galaxy S21 Ultra 5G features a 108MP main camera and a 40MP front camera, capable of recording 8K@24fps, 4K@60fps video.
The Samsung Galaxy S21 Ultra 5G has a 6.8" display (Dynamic AMOLED 2X) with a 120Hz refresh rate and 1750 nits peak brightness.
Yes, the Samsung Galaxy S21 Ultra 5G has IP68 water resistance, meaning it can withstand immersion in water.
The Samsung Galaxy S21 Ultra 5G has 12GB of RAM and is powered by the Snapdragon 888 chipset, with 128GB of storage.
The Samsung Galaxy S21 Ultra 5G is priced at approximately $250. Check the buy links above for current prices from retailers.
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.
Yes — it's an excellent fit. The 108MP main camera captures detail-rich shots suitable for cropping and editing. Solid camera performance for the price.
Yes — it's an excellent fit. A 5000 mAh battery gives most users 1.5-2 days of mixed use, especially helpful for commuters, travelers, and anyone who can't charge during the day.
Based on its specs and scoring, the Samsung Galaxy S21 Ultra 5G is best suited for: Photography enthusiasts, Heavy daily users. See the use-case breakdown on this page for the reasoning behind each.