PhoneLifespan

Galaxy S25 Ultra vs 15 Pro

vs

It depends

Too close to call outright

These two are within 1 point overall — it genuinely depends on price on the day. The Galaxy S25 Ultra edges both longevity and performance, so prefer it when prices are close.

Value Score: Galaxy S25 Ultra 75 · 15 Pro 74 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$13.34/mo
2025◆ Buy-by Feb 20302032
Xiaomi 15 Pro $650
Safe to buy$12.42/mo
2024◆ Buy-by Oct 20282030

Category by category

Display
Galaxy S25 Ultra 10015 Pro 90

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 9815 Pro 98

Performance is a wash — same chip tier.

Camera
Galaxy S25 Ultra 9615 Pro 79

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

Battery
Galaxy S25 Ultra 8015 Pro 100

6,100mAh vs 5,000mAh — the 15 Pro lasts longer between charges.

Software longevity
Galaxy S25 Ultra 8115 Pro 62

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

Value
Galaxy S25 Ultra 7515 Pro 74

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy S25 Ultra15 Pro
Price (street)$902$650
Display6.9-inch Dynamic LTPO AMOLED 2X, QHD+, 1–120Hz, up to 2600 nits6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetSnapdragon 8 Elite for GalaxyQualcomm Snapdragon 8 Elite
RAM12GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery5,000 mAh6,100 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 ultra-wide, 50MP telephoto 5x
Dimensions162.8 × 77.6 × 8.2 mm161.3 × 74.6 × 8.4 mm
Weight218 g213 g
Water resistanceIP68IP68
Supported untilFeb 2032Oct 2030

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