Razr Ultra 2025 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 Razr Ultra 2025 runs out in May 2029 ($31.57/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Razr Ultra 2025 53 · 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.

Motorola Razr Ultra 2025 $1100

Buy with care$31.57/mo

2025◆ Buy-by May 20272029

Xiaomi 15 Ultra $1350

Safe to buy$30.40/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Razr Ultra 2025 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

Razr Ultra 2025 9815 Ultra 98

Performance is a wash — same chip tier.

Camera

Razr Ultra 2025 6715 Ultra 96

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

Battery

Razr Ultra 2025 7415 Ultra 88

5,410mAh vs 4,700mAh — the 15 Ultra lasts longer between charges.

Software longevity

Razr Ultra 2025 4115 Ultra 53

The 15 Ultra is supported until Mar 2030 — 10 months longer than the Razr Ultra 2025.

Value

Razr Ultra 2025 5315 Ultra 65

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

Full spec table

Spec	Razr Ultra 2025	15 Ultra
Price (street)	$1100	$1350
Display	Inner: 7.0-inch foldable pOLED, Super HD (1224p), up to 165Hz, Pantone Validated; Cover: 4.0-inch pOLED, up to 165Hz	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak
Chipset	Snapdragon 8 Elite	Qualcomm Snapdragon 8 Elite (3nm)
RAM	16GB	16GB
Storage	512GB	512GB/1TB
Battery	4,700 mAh	5,410 mAh
Charging	68W TurboPower wired, 30W wireless	90W wired, 80W wireless
Rear cameras	50MP main, 50MP ultra-wide	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto
Dimensions	Folded 73.99 × 88.10 × 15.69 mm; Unfolded 73.99 × 171.48 × 7.19 mm	161.3 × 75.3 × 9.35 mm
Weight	199 g	226 g
Water resistance	IP48 (dust and water resistant)	IP68
Supported until	May 2029	Mar 2030

Razr Ultra 2025 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.