PhoneLifespan

Galaxy S23 Ultra vs 13

vs

Winner

Samsung Galaxy S23 Ultra

Lifespan decides this one: the Galaxy S23 Ultra is supported until Feb 2028 at $16.98 per month of safe use, while the 13 runs out in Dec 2027 ($22.44/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S23 Ultra 76 · 13 40 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 Ultra $339
Buy with care$16.98/mo
2023◆ Buy-by Feb 20262028
Xiaomi 13 $400
Avoid buying$22.44/mo
2022◆ Buy-by Dec 20252027

Category by category

Display
Galaxy S23 Ultra 9013 70

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 S23 Ultra 8513 85

Performance is a wash — same chip tier.

Camera
Galaxy S23 Ultra 9613 79

The Galaxy S23 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery
Galaxy S23 Ultra 8013 70

5,000mAh vs 4,500mAh — the Galaxy S23 Ultra lasts longer between charges.

Software longevity
Galaxy S23 Ultra 2413 21

Both phones' support windows end around the same time.

Value
Galaxy S23 Ultra 7613 40

Overall value goes to the Galaxy S23 Ultra at $16.98 per month of safe use.

Full spec table
SpecGalaxy S23 Ultra13
Price (street)$339$400
Display6.8-inch Dynamic AMOLED 2X, QHD+, LTPO 1–120Hz, 1750 nits peak6.36-inch AMOLED, 2400 x 1080, 120Hz
ChipsetSnapdragon 8 Gen 2 for GalaxyQualcomm Snapdragon 8 Gen 2
RAM8GB/12GB8GB/12GB
Storage256GB/512GB/1TB128GB/256GB/512GB
Battery5,000 mAh4,500 mAh
Charging45W wired, 15W wireless, 4.5W reverse wireless67W wired, 50W wireless
Rear cameras200MP main, 12MP ultra-wide, 10MP telephoto 3x, 10MP periscope 10x50MP main, 12MP ultra-wide, 10MP telephoto 3.2x
Dimensions163.4 × 78.1 × 8.9 mm152.8 × 71.5 × 8.0 mm
Weight234 g189 g
Water resistanceIP68IP68
Supported untilFeb 2028Dec 2027

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