Razr 50 Ultra (Razr+ 2024) 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 50 Ultra (Razr+ 2024) runs out in Jul 2028 ($27.83/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Razr 50 Ultra (Razr+ 2024) 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 50 Ultra (Razr+ 2024) $700

Buy with care$27.83/mo

2024◆ Buy-by Jul 20262028

Xiaomi 15 Ultra $1350

Safe to buy$30.40/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Razr 50 Ultra (Razr+ 2024) 8015 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 50 Ultra (Razr+ 2024) 8215 Ultra 98

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

Camera

Razr 50 Ultra (Razr+ 2024) 6715 Ultra 96

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

Battery

Razr 50 Ultra (Razr+ 2024) 6015 Ultra 88

5,410mAh vs 4,000mAh — the 15 Ultra lasts longer between charges.

Software longevity

Razr 50 Ultra (Razr+ 2024) 3015 Ultra 53

The 15 Ultra is supported until Mar 2030 — 19 months longer than the Razr 50 Ultra (Razr+ 2024).

Value

Razr 50 Ultra (Razr+ 2024) 5315 Ultra 65

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

Full spec table

Spec	Razr 50 Ultra (Razr+ 2024)	15 Ultra
Price (street)	$700	$1350
Display	6.9-inch FHD+ (1080x2640) LTPO pOLED, 165Hz main + 4.0-inch 1272x1080 pOLED 165Hz cover display	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak
Chipset	Qualcomm Snapdragon 8s Gen 3	Qualcomm Snapdragon 8 Elite (3nm)
RAM	12GB	16GB
Storage	256GB/512GB	512GB/1TB
Battery	4,000 mAh	5,410 mAh
Charging	45W wired, 15W wireless	90W wired, 80W wireless
Rear cameras	50MP main, 50MP telephoto 2x	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto
Dimensions	171.4 × 74 × 7.1 mm (unfolded)	161.3 × 75.3 × 9.35 mm
Weight	189 g	226 g
Water resistance	IPX8	IP68
Supported until	Jul 2028	Mar 2030

Razr 50 Ultra (Razr+ 2024) 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.