PhoneLifespan

Galaxy S24+ vs 15

vs

It depends

Too close to call outright

These two are within 4 points overall, so it depends on you: keep phones for years → Galaxy S24+ (supported until Jan 2031); want maximum speed → 15 (Snapdragon 8 Elite).

Value Score: Galaxy S24+ 71 · 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 S24+ $699
Safe to buy$12.61/mo
2024◆ Buy-by Jan 20292031
Xiaomi 15 $750
Safe to buy$16.89/mo
2025◆ Buy-by Mar 20282030

Category by category

Display
Galaxy S24+ 10015 90

The Galaxy S24+'s screen is the better one — 6.7-inch dynamic amoled 2x, qhd+ (3120×1440), 1–120hz, up to 2600 nits.

Performance
Galaxy S24+ 9215 98

The 15's Snapdragon 8 Elite is simply the faster chip.

Camera
Galaxy S24+ 7915 79

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

Battery
Galaxy S24+ 7815 85

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

Software longevity
Galaxy S24+ 6615 53

The Galaxy S24+ is supported until Jan 2031 — 11 months longer than the 15.

Value
Galaxy S24+ 7115 67

Overall value goes to the Galaxy S24+ at $12.61 per month of safe use.

Full spec table
SpecGalaxy S24+15
Price (street)$699$750
Display6.7-inch Dynamic AMOLED 2X, QHD+ (3120×1440), 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 Gen 3 for Galaxy (US)Snapdragon 8 Elite
RAM12GB12GB
Storage256GB/512GB256GB/512GB
Battery4,900 mAh5,240 mAh
Charging45W wired, 15W wireless90W wired, 50W wireless
Rear cameras50MP main, 12MP ultra-wide, 10MP telephoto 3x50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)
Dimensions158.5 × 75.9 × 7.7 mm152.3 × 71.2 × 8.08 mm
Weight196 g191 g
Water resistanceIP68IP68
Supported untilJan 2031Mar 2030

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