PhoneLifespan

Galaxy A15 vs Galaxy S24 Ultra

vs

Winner

Samsung Galaxy S24 Ultra

Lifespan decides this one: the Galaxy S24 Ultra is supported until Jan 2031 at $17.11 per month of safe use, while the Galaxy A15 runs out in Dec 2028 ($5.01/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy A15 67 · Galaxy S24 Ultra 70 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 $150
Buy with care$5.01/mo
2023◆ Buy-by Dec 20262028
Samsung Galaxy S24 Ultra $949
Safe to buy$17.11/mo
2024◆ Buy-by Jan 20292031

Category by category

Display
Galaxy A15 50Galaxy S24 Ultra 100

The Galaxy S24 Ultra's screen is the better one — 6.8-inch dynamic amoled 2x, qhd+ (3120×1440), 1–120hz, up to 2600 nits.

Performance
Galaxy A15 44Galaxy S24 Ultra 92

The Galaxy S24 Ultra's Snapdragon 8 Gen 3 for Galaxy is simply the faster chip.

Camera
Galaxy A15 55Galaxy S24 Ultra 96

The Galaxy S24 Ultra has the stronger camera system (4 real rear lenses vs 1).

Battery
Galaxy A15 80Galaxy S24 Ultra 80

Battery capacities are close enough not to decide this.

Software longevity
Galaxy A15 36Galaxy S24 Ultra 66

The Galaxy S24 Ultra is supported until Jan 2031 — 25 months longer than the Galaxy A15.

Value
Galaxy A15 67Galaxy S24 Ultra 70

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy A15Galaxy S24 Ultra
Price (street)$150$949
Display6.5-inch Super AMOLED, FHD+, 90Hz, 800 nits6.8-inch Dynamic AMOLED 2X, QHD+ (3120×1440), 1–120Hz, up to 2600 nits
ChipsetMediaTek Helio G99 (6nm)Snapdragon 8 Gen 3 for Galaxy
RAM4GB/6GB/8GB12GB
Storage128GB/256GB256GB/512GB/1TB
Battery5,000 mAh5,000 mAh
Charging25W wired45W wired, 15W wireless
Rear cameras50MP main, 5MP ultra-wide, 2MP macro200MP main, 12MP ultra-wide, 10MP telephoto 3x, 50MP telephoto 5x periscope
Dimensions160.1 × 76.8 × 8.4 mm162.3 × 79.0 × 8.6 mm
Weight200 g232 g
Water resistanceNot ratedIP68
Supported untilDec 2028Jan 2031

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