Galaxy Z Fold5 vs 15 Ultra

Phone 1

Phone 2

Winner

Xiaomi 15 Ultra

Lifespan decides this one: the 15 Ultra is supported until Mar 2030 at $30.40 per month of safe use, while the Galaxy Z Fold5 runs out in Aug 2028 ($29.13/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy Z Fold5 54 · 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 Z Fold5 $750

Buy with care$29.13/mo

2023◆ Buy-by Aug 20262028

Xiaomi 15 Ultra $1350

Safe to buy$30.40/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Galaxy Z Fold5 7015 Ultra 100

The 15 Ultra's screen is the better one — 6.73-inch 2k (1440×3200) ltpo amoled, 1–120hz, up to 3200 nits peak.

Performance

Galaxy Z Fold5 8515 Ultra 98

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

Camera

Galaxy Z Fold5 7915 Ultra 96

The 15 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery

Galaxy Z Fold5 6815 Ultra 88

5,410mAh vs 4,400mAh — the 15 Ultra lasts longer between charges.

Software longevity

Galaxy Z Fold5 3115 Ultra 53

The 15 Ultra is supported until Mar 2030 — 19 months longer than the Galaxy Z Fold5.

Value

Galaxy Z Fold5 5415 Ultra 65

Overall value goes to the 15 Ultra at $30.40 per month of safe use.

Full spec table

Spec	Galaxy Z Fold5	15 Ultra
Price (street)	$750	$1350
Display	7.6-inch foldable Dynamic AMOLED 2X, 1812x2176, 120Hz + 6.2-inch cover Dynamic AMOLED 2X, 904x2316, 120Hz	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak
Chipset	Snapdragon 8 Gen 2 for Galaxy	Qualcomm Snapdragon 8 Elite (3nm)
RAM	12GB	16GB
Storage	256GB/512GB/1TB	512GB/1TB
Battery	4,400 mAh	5,410 mAh
Charging	25W wired, 15W wireless, 4.5W reverse wireless	90W wired, 80W wireless
Rear cameras	50MP main, 12MP ultra-wide, 10MP telephoto 3x	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto
Dimensions	154.9 × 67.1 × 13.4 mm folded / 154.9 × 129.9 × 6.1 mm unfolded	161.3 × 75.3 × 9.35 mm
Weight	253 g	226 g
Water resistance	IPX8	IP68
Supported until	Aug 2028	Mar 2030

Galaxy Z Fold5 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.