Galaxy A15 5G vs Galaxy S25 Ultra

Phone 1

Phone 2

Winner

Samsung Galaxy S25 Ultra

Lifespan decides this one: the Galaxy S25 Ultra is supported until Feb 2032 at $13.34 per month of safe use, while the Galaxy A15 5G runs out in Dec 2028 ($4.01/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy A15 5G 67 · Galaxy S25 Ultra 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$4.01/mo

2023◆ Buy-by Dec 20262028

Samsung Galaxy S25 Ultra $902

Safe to buy$13.34/mo

2025◆ Buy-by Feb 20302032

Category by category

Display

Galaxy A15 5G 50Galaxy S25 Ultra 100

The Galaxy S25 Ultra's screen is the better one — 6.9-inch dynamic ltpo amoled 2x, qhd+, 1–120hz, up to 2600 nits.

Performance

Galaxy A15 5G 38Galaxy S25 Ultra 98

The Galaxy S25 Ultra's Snapdragon 8 Elite for Galaxy is simply the faster chip.

Camera

Galaxy A15 5G 55Galaxy S25 Ultra 96

The Galaxy S25 Ultra has the stronger camera system (4 real rear lenses vs 1).

Battery

Galaxy A15 5G 80Galaxy S25 Ultra 80

Battery capacities are close enough not to decide this.

Software longevity

Galaxy A15 5G 36Galaxy S25 Ultra 81

The Galaxy S25 Ultra is supported until Feb 2032 — 38 months longer than the Galaxy A15 5G.

Value

Galaxy A15 5G 67Galaxy S25 Ultra 75

Overall value goes to the Galaxy S25 Ultra at $13.34 per month of safe use.

Full spec table

Spec	Galaxy A15 5G	Galaxy S25 Ultra
Price (street)	$120	$902
Display	6.5-inch Super AMOLED, 1080x2340 (FHD+), 90Hz	6.9-inch Dynamic LTPO AMOLED 2X, QHD+, 1–120Hz, up to 2600 nits
Chipset	Dimensity 6100+	Snapdragon 8 Elite for Galaxy
RAM	4GB/6GB/8GB	12GB
Storage	128GB/256GB	256GB/512GB/1TB
Battery	5,000 mAh	5,000 mAh
Charging	25W wired	45W wired (65% in 30 min), 15W wireless (Qi2 Ready), 4.5W reverse wireless
Rear cameras	50MP main, 5MP ultra-wide, 2MP macro	200MP main, 50MP ultra-wide, 10MP telephoto 3x, 50MP periscope 5x
Dimensions	160.1 × 76.8 × 8.4 mm	162.8 × 77.6 × 8.2 mm
Weight	200 g	218 g
Water resistance	None	IP68
Supported until	Dec 2028	Feb 2032

Galaxy A15 5G full verdict →Galaxy S25 Ultra 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.