13 Ultra vs 15T Pro

Phone 1

Phone 2

Winner

Xiaomi 15T Pro

Lifespan decides this one: the 15T Pro is supported until Sep 2030 at $12.65 per month of safe use, while the 13 Ultra runs out in Apr 2028 ($29.33/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13 Ultra 62 · 15T Pro 69 — 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$29.33/mo

2023◆ Buy-by Apr 20262028

Xiaomi 15T Pro $650

Safe to buy$12.65/mo

2025◆ Buy-by Sep 20282030

Category by category

Display

13 Ultra 9015T Pro 70

The 13 Ultra's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance

13 Ultra 8515T Pro 94

The 15T Pro's MediaTek Dimensity 9400+ is simply the faster chip.

Camera

13 Ultra 9115T Pro 79

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

Battery

13 Ultra 8015T Pro 90

5,500mAh vs 5,000mAh — the 15T Pro lasts longer between charges.

Software longevity

13 Ultra 2615T Pro 61

The 15T Pro is supported until Sep 2030 — 29 months longer than the 13 Ultra.

Value

13 Ultra 6215T Pro 69

Overall value goes to the 15T Pro at $12.65 per month of safe use.

Full spec table

Spec	13 Ultra	15T Pro
Price (street)	$650	$650
Display	6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz	6.83-inch AMOLED, 2772x1280, 144Hz
Chipset	Qualcomm Snapdragon 8 Gen 2	MediaTek Dimensity 9400+
RAM	12GB/16GB	12GB
Storage	256GB/512GB/1TB	256GB/512GB/1TB
Battery	5,000 mAh	5,500 mAh
Charging	90W wired, 50W wireless	90W wired, 50W wireless
Rear cameras	50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x	50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide
Dimensions	163.2 × 74.6 × 9.1 mm	162.7 × 77.9 × 8.0 mm
Weight	227 g	210 g
Water resistance	IP68	IP68
Supported until	Apr 2028	Sep 2030

13 Ultra full verdict →15T Pro 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.