Redmi A3vsSamsung Galaxy S25
SETTLEDUpdated September 8, 2026
Samsung Galaxy S25 wins
Verdict
Samsung Galaxy S25 wins 4 of 5 categories — our overall pick
Samsung Galaxy S25 is the overall winner, 4 / 5 — camera is its standout. It costs USD 799 — USD 710 more than the Redmi A3. Pay the premium if camera is your priority.
- Samsung Galaxy S25 takes Performance — led by performance score (2,050,000 pts).
- Samsung Galaxy S25 takes Display — led by peak brightness (2,600 nits).
- Samsung Galaxy S25 takes Camera — led by telephoto (Yes).
- Samsung Galaxy S25 takes Battery — led by wireless charging (Yes).
- Redmi A3 takes Price — led by price (89 USD).
Scores follow our published methodology · v2026.09
In plain English
Choose Redmi A3 if you want…
- Choose Redmi A3 if you want a bigger screen — 6.71 in vs 6.2 in.
- Choose Redmi A3 if you want longer battery life — 5,000 mAh vs 4,000 mAh.
- Choose Redmi A3 if you want a lower price — 89 USD vs 799 USD.
Choose Samsung Galaxy S25 if you want…
- Choose Samsung Galaxy S25 if you want a faster phone for apps and games — 2,050,000 pts vs 130,000 pts.
- Choose Samsung Galaxy S25 if you want more apps open at once — 12 GB vs 4 GB.
- Choose Samsung Galaxy S25 if you want a sharper screen — 416 ppi vs 268 ppi.
- Choose Samsung Galaxy S25 if you want smoother scrolling — 120 Hz vs 90 Hz.
- Choose Samsung Galaxy S25 if you want a screen you can read in sunlight — 2,600 nits vs 500 nits.
- Choose Samsung Galaxy S25 if you want sharper selfies — 12 MP vs 5 MP.
- Choose Samsung Galaxy S25 if you want true optical zoom — Yes vs No.
- Choose Samsung Galaxy S25 if you want better video quality — 95 pts vs 32 pts.
- Choose Samsung Galaxy S25 if you want a better camera — 138 pts vs 52 pts.
- Choose Samsung Galaxy S25 if you want faster charging — 25 W vs 10 W.
- Choose Samsung Galaxy S25 if you want the convenience of wireless charging — Yes vs No.
At a glance
- Redmi A3
- Samsung Galaxy S25
Click a label to jump to that section ↓
Best price now
The cheap alternative
Full record
Every spec, side by side — winners get a check and a proportional bar. Ties share the badge.
Performance score
Approximate benchmark score of the chipset — higher is faster for apps, games and AI.
Chipset
The processor inside — shown for reference, never decides a winner.
RAM
More RAM keeps more apps alive in the background.
Storage
Base onboard storage for photos, apps and media.
Screen size
Diagonal screen size — bigger is better for media, smaller is easier to hold.
Pixel density
Sharpness of the screen — above ~400 ppi looks crisp.
Refresh rate
How smooth scrolling and motion feel. 120 Hz is the modern standard.
Peak brightness
Peak brightness in sunlight — higher stays readable outdoors.
Main camera
Resolution of the primary rear camera — photo quality is judged by the Camera quality score, not megapixels.
Selfie camera
Resolution of the front camera.
Telephoto
A dedicated zoom lens for distant subjects without quality loss.
Video score
Composite video rating — stabilisation, 4K/8K support and colour.
Camera score
Composite camera quality from independent testing — how good the photos actually are.
Battery
Battery capacity — higher generally lasts longer.
Charging speed
Wired charging speed — higher refills faster.
Wireless charging
Whether the phone charges wirelessly.
Price
Typical MSRP in US dollars — lower is better value.
Which one should you buy?
Redmi A3
Choose Redmi A3 if price matters most. It costs USD 89, the lowest price in this group.
Samsung Galaxy S25
Choose Samsung Galaxy S25 if camera matters most — it wins the most categories overall. It costs USD 799.
Pros & cons
Redmi A3
- Very cheap
- 5,000 mAh battery
- 90 Hz display
- Very slow chip
- 8 MP camera is weak
- 10 W charging
Samsung Galaxy S25
- Compact size, flagship chip
- Bright 120 Hz display
- 7 years of updates
- 4,000 mAh battery is modest
- 25 W wired charging
- 128 GB base storage