13 Pro vs 15 Ultra

Phone 1

Phone 2

Winner

Xiaomi 15 Ultra

Lifespan decides this one: the 15 Ultra is supported until Mar 2030 at $30.26 per month of safe use, while the 13 Pro runs out in Dec 2027 ($30.50/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13 Pro 61 · 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.

Xiaomi 13 Pro $550

Buy with care$30.50/mo

2022◆ Buy-by Dec 20252027

Xiaomi 15 Ultra $1350

Safe to buy$30.26/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

13 Pro 9015 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

13 Pro 8515 Ultra 98

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

Camera

13 Pro 7915 Ultra 96

The 15 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery

13 Pro 7615 Ultra 88

5,410mAh vs 4,820mAh — the 15 Ultra lasts longer between charges.

Software longevity

13 Pro 2115 Ultra 53

The 15 Ultra is supported until Mar 2030 — 27 months longer than the 13 Pro.

Value

13 Pro 6115 Ultra 65

Overall value goes to the 15 Ultra at $30.26 per month of safe use.

Full spec table

Spec	13 Pro	15 Ultra
Price (street)	$550	$1350
Display	6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak
Chipset	Qualcomm Snapdragon 8 Gen 2	Qualcomm Snapdragon 8 Elite (3nm)
RAM	8GB/12GB	16GB
Storage	128GB/256GB/512GB	512GB/1TB
Battery	4,820 mAh	5,410 mAh
Charging	120W wired, 50W wireless	90W wired, 80W wireless
Rear cameras	50MP main, 50MP ultra-wide, 50MP telephoto 3.2x	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto
Dimensions	162.9 × 74.6 × 8.4 mm	161.3 × 75.3 × 9.35 mm
Weight	229 g	226 g
Water resistance	IP68	IP68
Supported until	Dec 2027	Mar 2030

13 Pro 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.