PhoneLifespan

Galaxy S25 Edge vs 15

vs

It depends

Too close to call outright

These two are within 2 points overall — it genuinely depends on price on the day. The Galaxy S25 Edge edges both longevity and performance, so prefer it when prices are close.

Value Score: Galaxy S25 Edge 69 · 15 67 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 Edge $899
Safe to buy$12.60/mo
2025◆ Buy-by May 20302032
Xiaomi 15 $750
Safe to buy$16.89/mo
2025◆ Buy-by Mar 20282030

Category by category

Display
Galaxy S25 Edge 10015 90

The Galaxy S25 Edge's screen is the better one — 6.7-inch dynamic amoled 2x, qhd+, 1–120hz, up to 2600 nits.

Performance
Galaxy S25 Edge 9815 98

Performance is a wash — same chip tier.

Camera
Galaxy S25 Edge 7215 79

The 15 has the stronger camera system (3 real rear lenses vs 2).

Battery
Galaxy S25 Edge 5815 85

5,240mAh vs 3,900mAh — the 15 lasts longer between charges.

Software longevity
Galaxy S25 Edge 8515 53

The Galaxy S25 Edge is supported until May 2032 — 27 months longer than the 15.

Value
Galaxy S25 Edge 6915 67

Pound for pound, these two are equally good deals.

Full spec table
SpecGalaxy S25 Edge15
Price (street)$899$750
Display6.7-inch Dynamic AMOLED 2X, QHD+, 1–120Hz, up to 2600 nits6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+
ChipsetSnapdragon 8 Elite for GalaxySnapdragon 8 Elite
RAM12GB12GB
Storage256GB/512GB256GB/512GB
Battery3,900 mAh5,240 mAh
Charging25W wired, 15W wireless90W wired, 50W wireless
Rear cameras200MP main, 12MP ultra-wide50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)
Dimensions158.2 × 75.6 × 5.8 mm152.3 × 71.2 × 8.08 mm
Weight163 g191 g
Water resistanceIP68IP68
Supported untilMay 2032Mar 2030

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