Razr 50 Ultra (Razr+ 2024) vs 15

Phone 1

Phone 2

Winner

Xiaomi 15

Lifespan decides this one: the 15 is supported until Mar 2030 at $16.82 per month of safe use, while the Razr 50 Ultra (Razr+ 2024) runs out in Jul 2028 ($27.61/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 67 — 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$27.61/mo

2024◆ Buy-by Jul 20262028

Xiaomi 15 $750

Safe to buy$16.82/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Razr 50 Ultra (Razr+ 2024) 8015 90

The 15's screen is the better one — 6.36-inch crystalres amoled, 2670×1200 (460 ppi), 1–120hz ltpo, up to 3200 nits peak, dolby vision/hdr10+.

Performance

Razr 50 Ultra (Razr+ 2024) 8215 98

The 15's Snapdragon 8 Elite is simply the faster chip.

Camera

Razr 50 Ultra (Razr+ 2024) 6715 79

The 15 has the stronger camera system (3 real rear lenses vs 2).

Battery

Razr 50 Ultra (Razr+ 2024) 6015 85

5,240mAh vs 4,000mAh — the 15 lasts longer between charges.

Software longevity

Razr 50 Ultra (Razr+ 2024) 3015 53

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

Value

Razr 50 Ultra (Razr+ 2024) 5315 67

Overall value goes to the 15 at $16.82 per month of safe use.

Full spec table

Spec	Razr 50 Ultra (Razr+ 2024)	15
Price (street)	$700	$750
Display	6.9-inch FHD+ (1080x2640) LTPO pOLED, 165Hz main + 4.0-inch 1272x1080 pOLED 165Hz cover display	6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+
Chipset	Qualcomm Snapdragon 8s Gen 3	Snapdragon 8 Elite
RAM	12GB	12GB
Storage	256GB/512GB	256GB/512GB
Battery	4,000 mAh	5,240 mAh
Charging	45W wired, 15W wireless	90W wired, 50W wireless
Rear cameras	50MP main, 50MP telephoto 2x	50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)
Dimensions	171.4 × 74 × 7.1 mm (unfolded)	152.3 × 71.2 × 8.08 mm
Weight	189 g	191 g
Water resistance	IPX8	IP68
Supported until	Jul 2028	Mar 2030

Razr 50 Ultra (Razr+ 2024) full verdict →15 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.