PhoneLifespan

Galaxy M15 5G vs Redmi A5

vs

Winner

Samsung Galaxy M15 5G

The Galaxy M15 5G wins this one, taking battery and camera decisively. Against the Redmi A5 it's also the sounder buy at $4.47 per month of safe use.

Value Score: Galaxy M15 5G 71 · Redmi A5 65 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Samsung Galaxy M15 5G $150
Buy with care$4.47/mo
2024◆ Buy-by Apr 20272029
Xiaomi Redmi A5 $75
Buy with care$3.55/mo
2025◆ Buy-by Mar 20262028

Category by category

Display
Galaxy M15 5G 50Redmi A5 70

The Redmi A5's screen is the better one — 6.88-inch ips lcd, hd+, 120hz.

Performance
Galaxy M15 5G 38Redmi A5 55

The Redmi A5's Unisoc T7250 is simply the faster chip.

Camera
Galaxy M15 5G 55Redmi A5 40

The Galaxy M15 5G has the stronger camera system — same lens count, higher-grade sensors.

Battery
Galaxy M15 5G 100Redmi A5 84

6,000mAh vs 5,200mAh — the Galaxy M15 5G lasts longer between charges.

Software longevity
Galaxy M15 5G 40Redmi A5 25

The Galaxy M15 5G is supported until Apr 2029 — 12 months longer than the Redmi A5.

Value
Galaxy M15 5G 71Redmi A5 65

Overall value goes to the Galaxy M15 5G at $4.47 per month of safe use.

Full spec table
SpecGalaxy M15 5GRedmi A5
Price (street)$150$75
Display6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz6.88-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Dimensity 6100+Unisoc T7250
RAM4GB/6GB/8GB3GB/4GB/6GB
Storage128GB/256GB64GB/128GB
Battery6,000 mAh5,200 mAh
Charging25W wired15W wired
Rear cameras50MP main, 5MP ultra-wide, 2MP macro32MP main
Dimensions160.1 × 76.8 × 9.3 mm171.4 × 77.8 × 8.3 mm
Weight217 g193 g
Water resistanceNoneIP52
Supported untilApr 2029Mar 2028
Galaxy M15 5G full verdict →Redmi A5 full verdict →Longevity master board →

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.