Galaxy S25 Edge vs 15 Ultra

Phone 1

Phone 2

Winner

Samsung Galaxy S25 Edge

Lifespan decides this one: the Galaxy S25 Edge is supported until May 2032 at $12.60 per month of safe use, while the 15 Ultra runs out in Mar 2030 ($30.40/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S25 Edge 69 · 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 S25 Edge $899

Safe to buy$12.60/mo

2025◆ Buy-by May 20302032

Xiaomi 15 Ultra $1350

Safe to buy$30.40/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Galaxy S25 Edge 10015 Ultra 100

Both displays are effectively the same class.

Performance

Galaxy S25 Edge 9815 Ultra 98

Performance is a wash — same chip tier.

Camera

Galaxy S25 Edge 7215 Ultra 96

The 15 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery

Galaxy S25 Edge 5815 Ultra 88

5,410mAh vs 3,900mAh — the 15 Ultra lasts longer between charges.

Software longevity

Galaxy S25 Edge 8515 Ultra 53

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

Value

Galaxy S25 Edge 6915 Ultra 65

Overall value goes to the Galaxy S25 Edge at $12.60 per month of safe use.

Full spec table

Spec	Galaxy S25 Edge	15 Ultra
Price (street)	$899	$1350
Display	6.7-inch Dynamic AMOLED 2X, QHD+, 1–120Hz, up to 2600 nits	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak
Chipset	Snapdragon 8 Elite for Galaxy	Qualcomm Snapdragon 8 Elite (3nm)
RAM	12GB	16GB
Storage	256GB/512GB	512GB/1TB
Battery	3,900 mAh	5,410 mAh
Charging	25W wired, 15W wireless	90W wired, 80W wireless
Rear cameras	200MP main, 12MP ultra-wide	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto
Dimensions	158.2 × 75.6 × 5.8 mm	161.3 × 75.3 × 9.35 mm
Weight	163 g	226 g
Water resistance	IP68	IP68
Supported until	May 2032	Mar 2030

Galaxy S25 Edge 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.