PhoneLifespan

Galaxy A15 vs Galaxy S23 Ultra

vs

Winner

Samsung Galaxy A15

Lifespan decides this one: the Galaxy A15 is supported until Dec 2028 at $5.00 per month of safe use, while the Galaxy S23 Ultra runs out in Feb 2028 ($16.94/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy A15 67 · Galaxy S23 Ultra 76 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$5.00/mo
2023◆ Buy-by Dec 20262028
Samsung Galaxy S23 Ultra $339
Buy with care$16.94/mo
2023◆ Buy-by Feb 20262028

Category by category

Display
Galaxy A15 50Galaxy S23 Ultra 90

The Galaxy S23 Ultra's screen is the better one — 6.8-inch dynamic amoled 2x, qhd+, ltpo 1–120hz, 1750 nits peak.

Performance
Galaxy A15 44Galaxy S23 Ultra 85

The Galaxy S23 Ultra's Snapdragon 8 Gen 2 for Galaxy is simply the faster chip.

Camera
Galaxy A15 55Galaxy S23 Ultra 96

The Galaxy S23 Ultra has the stronger camera system (4 real rear lenses vs 1).

Battery
Galaxy A15 80Galaxy S23 Ultra 80

Battery capacities are close enough not to decide this.

Software longevity
Galaxy A15 36Galaxy S23 Ultra 24

The Galaxy A15 is supported until Dec 2028 — 10 months longer than the Galaxy S23 Ultra.

Value
Galaxy A15 67Galaxy S23 Ultra 76

Overall value goes to the Galaxy S23 Ultra at $16.94 per month of safe use.

Full spec table
SpecGalaxy A15Galaxy S23 Ultra
Price (street)$150$339
Display6.5-inch Super AMOLED, FHD+, 90Hz, 800 nits6.8-inch Dynamic AMOLED 2X, QHD+, LTPO 1–120Hz, 1750 nits peak
ChipsetMediaTek Helio G99 (6nm)Snapdragon 8 Gen 2 for Galaxy
RAM4GB/6GB/8GB8GB/12GB
Storage128GB/256GB256GB/512GB/1TB
Battery5,000 mAh5,000 mAh
Charging25W wired45W wired, 15W wireless, 4.5W reverse wireless
Rear cameras50MP main, 5MP ultra-wide, 2MP macro200MP main, 12MP ultra-wide, 10MP telephoto 3x, 10MP periscope 10x
Dimensions160.1 × 76.8 × 8.4 mm163.4 × 78.1 × 8.9 mm
Weight200 g234 g
Water resistanceNot ratedIP68
Supported untilDec 2028Feb 2028

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