Galaxy S24 Ultra vs 15 Ultra

Phone 1

Phone 2

Winner

Samsung Galaxy S24 Ultra

The Galaxy S24 Ultra wins this one, taking software longevity decisively. Against the 15 Ultra it's also the sounder buy at $17.13 per month of safe use.

Value Score: Galaxy S24 Ultra 70 · 15 Ultra 65 — 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 Ultra $949

Safe to buy$17.13/mo

2024◆ Buy-by Jan 20292031

Xiaomi 15 Ultra $1350

Safe to buy$30.40/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Galaxy S24 Ultra 10015 Ultra 100

Both displays are effectively the same class.

Performance

Galaxy S24 Ultra 9215 Ultra 98

The 15 Ultra's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera

Galaxy S24 Ultra 9615 Ultra 96

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

Battery

Galaxy S24 Ultra 8015 Ultra 88

5,410mAh vs 5,000mAh — the 15 Ultra lasts longer between charges.

Software longevity

Galaxy S24 Ultra 6615 Ultra 53

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

Value

Galaxy S24 Ultra 7015 Ultra 65

Overall value goes to the Galaxy S24 Ultra at $17.13 per month of safe use.

Full spec table

Spec	Galaxy S24 Ultra	15 Ultra
Price (street)	$949	$1350
Display	6.8-inch Dynamic AMOLED 2X, QHD+ (3120×1440), 1–120Hz, up to 2600 nits	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak
Chipset	Snapdragon 8 Gen 3 for Galaxy	Qualcomm Snapdragon 8 Elite (3nm)
RAM	12GB	16GB
Storage	256GB/512GB/1TB	512GB/1TB
Battery	5,000 mAh	5,410 mAh
Charging	45W wired, 15W wireless	90W wired, 80W wireless
Rear cameras	200MP main, 12MP ultra-wide, 10MP telephoto 3x, 50MP telephoto 5x periscope	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto
Dimensions	162.3 × 79.0 × 8.6 mm	161.3 × 75.3 × 9.35 mm
Weight	232 g	226 g
Water resistance	IP68	IP68
Supported until	Jan 2031	Mar 2030

Galaxy S24 Ultra full verdict →15 Ultra 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.