PhoneLifespan

Galaxy S25 vs 15T Pro

vs

Winner

Samsung Galaxy S25

The Galaxy S25 wins this one, taking display and software longevity decisively. Against the 15T Pro it's also the sounder buy at $8.83 per month of safe use.

Value Score: Galaxy S25 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 $599
Safe to buy$8.83/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 9015T Pro 70

The Galaxy S25's screen is the better one — 6.2-inch dynamic ltpo amoled 2x, fhd+, 1–120hz, up to 2600 nits.

Performance
Galaxy S25 9815T Pro 94

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

Camera
Galaxy S25 7915T Pro 79

Camera systems are comparable on paper — pick by sample photos.

Battery
Galaxy S25 6015T Pro 90

5,500mAh vs 4,000mAh — the 15T Pro lasts longer between charges.

Software longevity
Galaxy S25 8115T Pro 61

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

Value
Galaxy S25 7515T Pro 69

Overall value goes to the Galaxy S25 at $8.83 per month of safe use.

Full spec table
SpecGalaxy S2515T Pro
Price (street)$599$650
Display6.2-inch Dynamic LTPO AMOLED 2X, FHD+, 1–120Hz, up to 2600 nits6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetSnapdragon 8 Elite for GalaxyMediaTek Dimensity 9400+
RAM12GB12GB
Storage128GB/256GB/512GB256GB/512GB/1TB
Battery4,000 mAh5,500 mAh
Charging25W wired, 15W wireless (Qi2 Ready), 4.5W reverse wireless90W wired, 50W wireless
Rear cameras50MP main, 12MP ultra-wide, 10MP telephoto 3x50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide
Dimensions146.9 × 70.5 × 7.2 mm162.7 × 77.9 × 8.0 mm
Weight162 g210 g
Water resistanceIP68IP68
Supported untilFeb 2032Sep 2030

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