Galaxy S25+ vs 15

Phone 1

Phone 2

Winner

Samsung Galaxy S25+

The Galaxy S25+ wins this one, taking software longevity and display decisively. Against the 15 it's also the sounder buy at $12.55 per month of safe use.

Value Score: Galaxy S25+ 73 · 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+ $849

Safe to buy$12.55/mo

2025◆ Buy-by Feb 20302032

Xiaomi 15 $750

Safe to buy$16.89/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Galaxy S25+ 10015 90

The Galaxy S25+'s screen is the better one — 6.7-inch dynamic amoled 2x, qhd+ (3120×1440), 1–120hz, up to 2600 nits.

Performance

Galaxy S25+ 9815 98

Performance is a wash — same chip tier.

Camera

Galaxy S25+ 7915 79

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

Battery

Galaxy S25+ 7815 85

5,240mAh vs 4,900mAh — the 15 lasts longer between charges.

Software longevity

Galaxy S25+ 8115 53

The Galaxy S25+ is supported until Feb 2032 — 23 months longer than the 15.

Value

Galaxy S25+ 7315 67

Overall value goes to the Galaxy S25+ at $12.55 per month of safe use.

Full spec table

Spec	Galaxy S25+	15
Price (street)	$849	$750
Display	6.7-inch Dynamic AMOLED 2X, QHD+ (3120×1440), 1–120Hz, up to 2600 nits	6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+
Chipset	Snapdragon 8 Elite for Galaxy	Snapdragon 8 Elite
RAM	12GB	12GB
Storage	256GB/512GB	256GB/512GB
Battery	4,900 mAh	5,240 mAh
Charging	45W wired, 15W wireless	90W wired, 50W wireless
Rear cameras	50MP main, 12MP ultra-wide, 10MP telephoto 3x	50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)
Dimensions	158.4 × 75.8 × 7.3 mm	152.3 × 71.2 × 8.08 mm
Weight	190 g	191 g
Water resistance	IP68	IP68
Supported until	Feb 2032	Mar 2030

Galaxy S25+ full verdict →15 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.