PhoneLifespan

13 Ultra vs 15 Pro

vs

Winner

Xiaomi 15 Pro

Lifespan decides this one: the 15 Pro is supported until Oct 2030 at $12.37 per month of safe use, while the 13 Ultra runs out in Apr 2028 ($29.32/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13 Ultra 62 · 15 Pro 74 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 Ultra $650
Buy with care$29.32/mo
2023◆ Buy-by Apr 20262028
Xiaomi 15 Pro $650
Safe to buy$12.37/mo
2024◆ Buy-by Oct 20282030

Category by category

Display
13 Ultra 9015 Pro 90

Both displays are effectively the same class.

Performance
13 Ultra 8515 Pro 98

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

Camera
13 Ultra 9115 Pro 79

The 13 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery
13 Ultra 8015 Pro 100

6,100mAh vs 5,000mAh — the 15 Pro lasts longer between charges.

Software longevity
13 Ultra 2615 Pro 63

The 15 Pro is supported until Oct 2030 — 30 months longer than the 13 Ultra.

Value
13 Ultra 6215 Pro 74

Overall value goes to the 15 Pro at $12.37 per month of safe use.

Full spec table
Spec13 Ultra15 Pro
Price (street)$650$650
Display6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetQualcomm Snapdragon 8 Gen 2Qualcomm Snapdragon 8 Elite
RAM12GB/16GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery5,000 mAh6,100 mAh
Charging90W wired, 50W wireless90W wired, 50W wireless
Rear cameras50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions163.2 × 74.6 × 9.1 mm161.3 × 74.6 × 8.4 mm
Weight227 g213 g
Water resistanceIP68IP68
Supported untilApr 2028Oct 2030

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.