PhoneLifespan

Galaxy S25 Ultra vs 15T Pro

vs

Winner

Samsung Galaxy S25 Ultra

The Galaxy S25 Ultra wins this one, taking display and software longevity decisively. Against the 15T Pro it's also the sounder buy at $13.30 per month of safe use.

Value Score: Galaxy S25 Ultra 75 · 15T Pro 69 — 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 S25 Ultra $902
Safe to buy$13.30/mo
2025◆ Buy-by Feb 20302032
Xiaomi 15T Pro $650
Safe to buy$12.65/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
Galaxy S25 Ultra 10015T Pro 70

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 S25 Ultra 9815T Pro 94

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

Camera
Galaxy S25 Ultra 9615T Pro 79

The Galaxy S25 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery
Galaxy S25 Ultra 8015T Pro 90

5,500mAh vs 5,000mAh — the 15T Pro lasts longer between charges.

Software longevity
Galaxy S25 Ultra 8115T Pro 61

The Galaxy S25 Ultra is supported until Feb 2032 — 16 months longer than the 15T Pro.

Value
Galaxy S25 Ultra 7515T Pro 69

Overall value goes to the Galaxy S25 Ultra at $13.30 per month of safe use.

Full spec table
SpecGalaxy S25 Ultra15T Pro
Price (street)$902$650
Display6.9-inch Dynamic LTPO AMOLED 2X, QHD+, 1–120Hz, up to 2600 nits6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetSnapdragon 8 Elite for GalaxyMediaTek Dimensity 9400+
RAM12GB12GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery5,000 mAh5,500 mAh
Charging45W wired (65% in 30 min), 15W wireless (Qi2 Ready), 4.5W reverse wireless90W wired, 50W wireless
Rear cameras200MP main, 50MP ultra-wide, 10MP telephoto 3x, 50MP periscope 5x50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide
Dimensions162.8 × 77.6 × 8.2 mm162.7 × 77.9 × 8.0 mm
Weight218 g210 g
Water resistanceIP68IP68
Supported untilFeb 2032Sep 2030
Galaxy S25 Ultra full verdict →15T Pro 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.