Galaxy A15 5G vs Redmi 15 5G

Phone 1

Phone 2

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.80 per month of safe use, while the Galaxy A15 5G runs out in Dec 2028 ($4.00/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy A15 5G 67 · Redmi 15 5G 75 — 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 A15 5G $120

Buy with care$4.00/mo

2023◆ Buy-by Dec 20262028

Xiaomi Redmi 15 5G $180

Safe to buy$4.80/mo

2025◆ Buy-by Aug 20272029

Category by category

Display

Galaxy A15 5G 50Redmi 15 5G 70

The Redmi 15 5G's screen is the better one — 6.9-inch ips lcd, fhd+, 144hz, 850 nits peak.

Performance

Galaxy A15 5G 38Redmi 15 5G 46

The Redmi 15 5G's Qualcomm Snapdragon 6s Gen 3 is simply the faster chip.

Camera

Galaxy A15 5G 55Redmi 15 5G 55

Camera systems are comparable on paper — pick by sample photos.

Battery

Galaxy A15 5G 80Redmi 15 5G 100

7,000mAh vs 5,000mAh — the Redmi 15 5G lasts longer between charges.

Software longevity

Galaxy A15 5G 36Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 7 months longer than the Galaxy A15 5G.

Value

Galaxy A15 5G 67Redmi 15 5G 75

Overall value goes to the Redmi 15 5G at $4.80 per month of safe use.

Full spec table

Spec	Galaxy A15 5G	Redmi 15 5G
Price (street)	$120	$180
Display	6.5-inch Super AMOLED, 1080x2340 (FHD+), 90Hz	6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
Chipset	Dimensity 6100+	Qualcomm Snapdragon 6s Gen 3
RAM	4GB/6GB/8GB	4GB/6GB/8GB
Storage	128GB/256GB	128GB/256GB
Battery	5,000 mAh	7,000 mAh
Charging	25W wired	33W wired, 18W reverse wired
Rear cameras	50MP main, 5MP ultra-wide, 2MP macro	50MP main, 2MP depth
Dimensions	160.1 × 76.8 × 8.4 mm	169.5 × 80.5 × 8.4 mm
Weight	200 g	217 g
Water resistance	None	IP64
Supported until	Dec 2028	Aug 2029

Galaxy A15 5G full verdict →Redmi 15 5G 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.