Three years after the Samsung Galaxy S10 launched, many users are still holding on to their devices. Known for its sleek design, solid performance, and flagship features at launch, the S10 remains a capable smartphone in 2024. But with newer models like the Galaxy S21 FE entering the market—offering modern processors, improved cameras, and longer software support—the question arises: should you upgrade?
This article breaks down the real differences between the S21 FE and S10, evaluates whether the upgrade delivers meaningful improvements, and helps you determine if your trusty S10 still has life left in it.
Performance: Chipset and Real-World Speed
The most significant leap between these two phones lies under the hood. The Galaxy S10, released in 2019, runs on either the Exynos 9820 (in Europe) or Snapdragon 855 (in the US), both of which were top-tier chips at the time. In contrast, the S21 FE, launched in 2022, uses the more advanced Snapdragon 888 (or Exynos 2100 depending on region), delivering noticeably better CPU and GPU performance.
In practical terms, this means faster app launches, smoother multitasking, and better handling of graphics-intensive games. Users who play mobile titles like Genshin Impact or stream high-resolution video will notice fewer stutters and quicker load times on the S21 FE.
However, for everyday tasks—browsing, messaging, email, and social media—the S10 still performs admirably. Android’s optimization over the years means even older hardware handles core functions efficiently. Unless you're pushing your phone with demanding apps, the performance gap may not be as impactful as specs suggest.
Display and Design: Subtle but Meaningful Upgrades
Both phones feature dynamic AMOLED displays, but the S21 FE improves on the S10 in key ways. It offers a 6.4-inch FHD+ screen with a 120Hz refresh rate, compared to the S10’s 6.1-inch QHD+ display capped at 60Hz. The higher refresh rate makes scrolling, animations, and gaming feel significantly smoother.
The S21 FE also adopts a more modern flat-screen design with minimal bezels and a centered punch-hole camera, while the S10 has curved edges and a slightly off-center front camera cutout. Some users prefer the S10’s premium glass back and compact form, but the S21 FE feels more contemporary and easier to grip.
Durability is another factor. The S21 FE comes with Gorilla Glass Victus and IP68 water resistance, matching the S10’s dust/water protection but offering better scratch and drop resistance. Over time, this can translate to fewer repairs and longer usability.
Camera Comparison: Evolution, Not Revolution
On paper, both phones have strong camera setups, but the S21 FE brings noticeable refinements. The S10 features a triple rear system: 12MP main, 12MP telephoto, and 16MP ultra-wide. The S21 FE drops the telephoto lens but upgrades to a 12MP main sensor with OIS, a 12MP ultra-wide, and an 8MP front-facing camera with improved low-light processing.
In daylight, both produce excellent results. However, the S21 FE excels in low-light photography thanks to larger pixels and better computational processing. Its Night Mode is faster and more consistent, and video recording now supports 8K at 24fps (vs. 4K on the S10).
“Modern mid-range and fan edition phones often surpass older flagships in photo consistency, especially in challenging lighting.” — David Kim, Mobile Photography Analyst at TechLens
If you frequently take photos in dim environments or value crisp video quality, the S21 FE is a clear step up. But casual photographers won’t find the S10 lacking—it still captures vibrant, detailed images that hold up well on social media.
Battery Life and Charging: Efficiency Matters
The S10 packs a 3,400mAh battery, while the S21 FE increases capacity to 4,500mAh—a 32% boost. Combined with the more power-efficient 120Hz adaptive refresh rate and optimized software, the S21 FE typically lasts a full day and a half under moderate use.
The S10, by comparison, struggles to make it through heavy usage days in 2024. Battery degradation over three years also plays a role; even if yours holds charge well, peak performance may be limited by aging cells.
Charging speeds are similar: both support 25W fast charging (though often sold without the charger), 15W wireless charging, and reverse wireless charging. However, the S21 FE benefits from newer power management, meaning less heat buildup and more stable charging cycles.
Software Support and Longevity
This is where the S10 truly shows its age. Launched with Android 9 Pie, it received updates up to Android 12 and One UI 4.1. Samsung confirmed four years of security updates, which ended in 2023. As of 2024, the S10 no longer receives official patches, leaving it vulnerable to emerging threats.
The S21 FE, meanwhile, launched with Android 12 and is guaranteed up to Android 15 and One UI 7, plus five years of security updates (until 2027). This extended support ensures access to new features, better app compatibility, and critical security fixes.
For users who rely on banking apps, secure messaging, or work tools, staying updated is essential. Outdated software doesn’t just mean missing features—it increases exposure to malware and phishing attempts.
Comparison Table: S21 FE vs S10 at a Glance
| Feature | Samsung Galaxy S10 | Samsung Galaxy S21 FE |
|---|---|---|
| Release Year | 2019 | 2022 |
| Processor | Snapdragon 855 / Exynos 9820 | Snapdragon 888 / Exynos 2100 |
| Display | 6.1\" QHD+, 60Hz | 6.4\" FHD+, 120Hz |
| Rear Cameras | 12MP (main), 12MP (tele), 16MP (ultra-wide) | 12MP (main + OIS), 12MP (ultra-wide), 8MP (front) |
| Battery | 3,400mAh | 4,500mAh |
| Software Support | Ended (Android 12) | Until 2027 (Android 15 + security) |
| Water Resistance | IP68 | IP68 (with stronger build materials) |
| Refresh Rate | 60Hz | 120Hz (adaptive) |
Real User Scenario: Maria’s Upgrade Dilemma
Maria has used her Galaxy S10 since 2019. She loves its compact size and smooth interface. But lately, she’s noticed delays when switching between apps, her battery dies by mid-afternoon, and some newer apps refuse to install due to OS incompatibility.
After testing a friend’s S21 FE, she was struck by how fluid the experience felt—especially the responsive screen and faster camera startup. While she missed the S10’s smaller frame, the peace of mind from ongoing software updates and all-day battery convinced her to upgrade. Six months later, she reports fewer frustrations and greater confidence using mobile banking and productivity tools.
Upgrade Checklist: Are You Ready for the S21 FE?
Before making the switch, ask yourself the following:
- Does your S10 struggle with basic tasks like opening messages or loading web pages?
- Have you noticed frequent app crashes or compatibility warnings?
- Is your battery health below 80% (check via Settings > Device Care > Battery)?
- Are you no longer receiving system or security updates?
- Do you want better photo quality, especially at night?
- Would a smoother, more responsive screen improve your daily experience?
If you answered “yes” to three or more, upgrading to the S21 FE—or a similar modern device—is likely worthwhile.
Frequently Asked Questions
Can the Galaxy S10 still run modern apps?
Most lightweight apps (WhatsApp, Instagram, Gmail) still work fine. However, newer versions of resource-heavy apps like TikTok, Zoom, or Google Maps may lag or fail to install due to minimum OS requirements.
Is the S21 FE worth the price if I’m happy with my S10?
If your S10 meets your needs and receives updates, there’s no urgent reason to upgrade. But if you value long-term reliability, security, and performance headroom, the investment pays off over time.
Will my accessories work with the S21 FE?
Most USB-C chargers and cables are compatible. Wireless chargers and cases designed for the S10 won’t fit due to different dimensions and camera layout.
Final Thoughts: When to Upgrade—and When to Hold On
The Galaxy S10 was a landmark device in Samsung’s history. For many, it represented the perfect blend of design, performance, and innovation. And yes, it’s still functional today—but functionality isn’t the same as optimal experience.
The S21 FE offers tangible improvements: a faster processor, superior display, better battery, and crucially, years of future software support. If you depend on your phone for work, communication, or content creation, those upgrades matter.
But if you’re a light user who values simplicity and longevity, and your S10 still boots quickly and charges reliably, there’s no shame in keeping it. Smartphones don’t expire overnight. What matters is how well they serve your life.
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