PhoneLifespan

Galaxy S23 vs Galaxy S26 Ultra

vs

Winner

Samsung Galaxy S26 Ultra

Lifespan decides this one: the Galaxy S26 Ultra is supported until Mar 2033 at $13.62 per month of safe use, while the Galaxy S23 runs out in Feb 2028 ($8.77/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S23 67 · Galaxy S26 Ultra 77 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 S23 $175
Buy with care$8.77/mo
2023◆ Buy-by Feb 20262028
Samsung Galaxy S26 Ultra $1099
Safe to buy$13.62/mo
2026◆ Buy-by Mar 20312033

Category by category

Display
Galaxy S23 70Galaxy S26 Ultra 100

The Galaxy S26 Ultra's screen is the better one — 6.9-inch dynamic ltpo amoled 2x, qhd+, 1–120hz, up to 2600 nits, with anti-reflective privacy display.

Performance
Galaxy S23 85Galaxy S26 Ultra 100

The Galaxy S26 Ultra's Snapdragon 8 Elite Gen 5 for Galaxy is simply the faster chip.

Camera
Galaxy S23 79Galaxy S26 Ultra 96

The Galaxy S26 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery
Galaxy S23 58Galaxy S26 Ultra 80

5,000mAh vs 3,900mAh — the Galaxy S26 Ultra lasts longer between charges.

Software longevity
Galaxy S23 24Galaxy S26 Ultra 96

The Galaxy S26 Ultra is supported until Mar 2033 — 61 months longer than the Galaxy S23.

Value
Galaxy S23 67Galaxy S26 Ultra 77

Overall value goes to the Galaxy S26 Ultra at $13.62 per month of safe use.

Full spec table
SpecGalaxy S23Galaxy S26 Ultra
Price (street)$175$1099
Display6.1-inch Dynamic AMOLED 2X, FHD+, 120Hz6.9-inch Dynamic LTPO AMOLED 2X, QHD+, 1–120Hz, up to 2600 nits, with anti-reflective Privacy Display
ChipsetSnapdragon 8 Gen 2 for GalaxySnapdragon 8 Elite Gen 5 for Galaxy
RAM8GB12GB
Storage128GB/256GB256GB/512GB/1TB
Battery3,900 mAh5,000 mAh
Charging25W wired, 15W wireless, 4.5W reverse wireless60W wired, 25W wireless
Rear cameras50MP main, 12MP ultra-wide, 10MP telephoto 3x200MP main, 50MP ultra-wide, 10MP telephoto 3x, 50MP telephoto 5x periscope
Dimensions146.3 × 70.9 × 7.6 mm163.6 × 78.1 × 7.9 mm
Weight168 g214 g
Water resistanceIP68IP68
Supported untilFeb 2028Mar 2033

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