Samsung Galaxy A15vsRedmi A3
SETTLEDUpdated September 8, 2026
Samsung Galaxy A15 wins
Verdict
Samsung Galaxy A15 wins 4 of 5 categories — our overall pick
Samsung Galaxy A15 is the overall winner, 4 / 5 — price is its standout. It costs USD 199 — USD 110 more than the Redmi A3. Pay the premium if price is your priority.
- Samsung Galaxy A15 takes Performance — led by ram (8 GB).
- Samsung Galaxy A15 takes Display — led by pixel density (396 ppi).
- Samsung Galaxy A15 takes Camera — led by selfie camera (13 MP).
- Samsung Galaxy A15 takes Battery — led by charging speed (25 W).
- Too close to call between Samsung Galaxy A15 and Redmi A3.
Scores follow our published methodology · v2026.09
In plain English
Choose Samsung Galaxy A15 if you want…
- Choose Samsung Galaxy A15 if you want more apps open at once — 8 GB vs 4 GB.
- Choose Samsung Galaxy A15 if you want a sharper screen — 396 ppi vs 268 ppi.
- Choose Samsung Galaxy A15 if you want a screen you can read in sunlight — 800 nits vs 500 nits.
- Choose Samsung Galaxy A15 if you want sharper selfies — 13 MP vs 5 MP.
- Choose Samsung Galaxy A15 if you want a better camera — 82 pts vs 52 pts.
- Choose Samsung Galaxy A15 if you want faster charging — 25 W vs 10 W.
Choose Redmi A3 if you want…
- Choose Redmi A3 if you want a bigger screen — 6.71 in vs 6.5 in.
At a glance
- Samsung Galaxy A15
- Redmi A3
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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?
Samsung Galaxy A15
Choose Samsung Galaxy A15 if price matters most — it wins the most categories overall. It costs USD 199.
Redmi A3
Choose Redmi A3 if price matters most. It costs USD 89, the lowest price in this group.
Pros & cons
Samsung Galaxy A15
- AMOLED 90 Hz
- 5,000 mAh battery
- 4 years of updates
- Helio G99 is modest
- Slow 25 W charging
- Plastic build
Redmi A3
- Very cheap
- 5,000 mAh battery
- 90 Hz display
- Very slow chip
- 8 MP camera is weak
- 10 W charging