Edge 50 Ultra vs 15

Phone 1

Phone 2

Winner

Xiaomi 15

Lifespan decides this one: the 15 is supported until Mar 2030 at $16.89 per month of safe use, while the Edge 50 Ultra runs out in Apr 2028 ($27.94/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Edge 50 Ultra 56 · 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 Edge 50 Ultra $600

Buy with care$27.94/mo

2024◆ Buy-by Apr 20262028

Xiaomi 15 $750

Safe to buy$16.89/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Edge 50 Ultra 7015 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

Edge 50 Ultra 8215 98

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

Camera

Edge 50 Ultra 7915 79

Camera systems are comparable on paper — pick by sample photos.

Battery

Edge 50 Ultra 7015 85

5,240mAh vs 4,500mAh — the 15 lasts longer between charges.

Software longevity

Edge 50 Ultra 2615 53

The 15 is supported until Mar 2030 — 23 months longer than the Edge 50 Ultra.

Value

Edge 50 Ultra 5615 67

Overall value goes to the 15 at $16.89 per month of safe use.

Full spec table

Spec	Edge 50 Ultra	15
Price (street)	$600	$750
Display	6.7-inch pOLED, Super HD (1220p), up to 144Hz, up to 2500 nits peak	6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+
Chipset	Snapdragon 8s Gen 3	Snapdragon 8 Elite
RAM	12GB/16GB	12GB
Storage	512GB/1TB	256GB/512GB
Battery	4,500 mAh	5,240 mAh
Charging	125W TurboPower wired, 50W TurboPower wireless	90W wired, 50W wireless
Rear cameras	50MP main, 50MP ultra-wide, 64MP telephoto 3x	50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)
Dimensions	161.1 × 72.4 × 8.6 mm	152.3 × 71.2 × 8.08 mm
Weight	197 g	191 g
Water resistance	IP68	IP68
Supported until	Apr 2028	Mar 2030

Edge 50 Ultra 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.