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Upgrade Guide

Should You Upgrade from the Galaxy S21 FE to the Galaxy S25 FE?

A spec-by-spec look at what actually changes when you move from the Galaxy S21 FE to the Galaxy S25 FE, 3 years apart.

Worth Upgrading

Yes — the Galaxy S25 FE is a worthwhile upgrade

The Galaxy S25 FE is 3 years newer than the Galaxy S21 FE, and the BeastScore rises from 76.3 to 82.8. The biggest improvements: performance rated 8 points higher, camera rated 16 points higher, 400 mah bigger battery. Trade-offs to know: shorter optical zoom (−3x), 13 g heavier.

What you gain with the Galaxy S25 FE

  • +Performance rated 8 points higher
  • +Camera rated 16 points higher
  • +400 mAh bigger battery
  • +20W faster wired charging
  • +0.3" larger screen
  • +700 nits brighter peak display
  • +Higher-resolution main camera (+38 MP)
  • +2 GB more RAM
  • +Launched $50 cheaper

What you give up

  • −Shorter optical zoom (−3x)
  • −13 g heavier
SpecGalaxy S21 FEGalaxy S25 FEChange
BeastScore (overall)76.382.8+6.5 (9%)
Performance score7280+8 (11%)
Camera score7591+16 (21%)
Battery score7878No real change
Display score8688No real change
Battery capacity4,500 mAh4,900 mAh+400 mAh (9%)
Wired charging25W45W+20W (80%)
Wireless charging15W15WNo real change
Screen size6.4"6.7"+0.3" (5%)
Refresh rate120Hz120HzNo real change
Peak brightness1,200 nits1,900 nits+700 nits (58%)
Main camera12 MP50 MP+38 MP (317%)
Optical zoom3x0x−3x (100%)
RAM6 GB8 GB+2 GB (33%)
Weight177 g190 g+13 g (7%)
Launch price$699$649−$50 (7%)

Upgrade if…

  • You regularly run out of battery before the end of the day
  • Photo quality is a priority for you
  • You play demanding games or want the newest on-device AI features
  • You use your phone outdoors a lot and want a brighter, smoother screen
  • Your Galaxy S21 FE is 3+ years old and its battery has worn down

Galaxy S21 FE vs Galaxy S25 FE: Upgrade FAQ

Is it worth upgrading from the Galaxy S21 FE to the Galaxy S25 FE?

Yes — the Galaxy S25 FE is a worthwhile upgrade. The Galaxy S25 FE is 3 years newer than the Galaxy S21 FE, and the BeastScore rises from 76.3 to 82.8. The biggest improvements: performance rated 8 points higher, camera rated 16 points higher, 400 mah bigger battery. Trade-offs to know: shorter optical zoom (−3x), 13 g heavier.

What is the biggest difference between the Galaxy S21 FE and Galaxy S25 FE?

Performance rated 8 points higher: 72 on the Galaxy S21 FE vs 80 on the Galaxy S25 FE.

Does the Galaxy S25 FE have a bigger battery than the Galaxy S21 FE?

The Galaxy S25 FE has a 4,900 mAh battery versus 4,500 mAh on the Galaxy S21 FE (+400 mAh (9%)).

Who should upgrade to the Galaxy S25 FE?

Upgrade if: You regularly run out of battery before the end of the day; Photo quality is a priority for you; You play demanding games or want the newest on-device AI features; You use your phone outdoors a lot and want a brighter, smoother screen; Your Galaxy S21 FE is 3+ years old and its battery has worn down.

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