14 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 14 Ultra runs out in Feb 2029 ($23.19/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 14 Ultra 64 · 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 14 Ultra $750

Buy with care$23.19/mo

2024◆ Buy-by Feb 20272029

Xiaomi 15T Pro $650

Safe to buy$12.65/mo

2025◆ Buy-by Sep 20282030

Category by category

Display

14 Ultra 9015T Pro 70

The 14 Ultra's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance

14 Ultra 9215T Pro 94

Performance is a wash — same chip tier.

Camera

14 Ultra 9115T Pro 79

The 14 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery

14 Ultra 8015T Pro 90

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

Software longevity

14 Ultra 3915T Pro 61

The 15T Pro is supported until Sep 2030 — 19 months longer than the 14 Ultra.

Value

14 Ultra 6415T Pro 69

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

Full spec table

Spec	14 Ultra	15T Pro
Price (street)	$750	$650
Display	6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz	6.83-inch AMOLED, 2772x1280, 144Hz
Chipset	Qualcomm Snapdragon 8 Gen 3	MediaTek Dimensity 9400+
RAM	12GB/16GB	12GB
Storage	256GB/512GB/1TB	256GB/512GB/1TB
Battery	5,000 mAh	5,500 mAh
Charging	90W wired, 80W 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	161.4 × 75.3 × 9.2 mm	162.7 × 77.9 × 8.0 mm
Weight	220 g	210 g
Water resistance	IP68	IP68
Supported until	Feb 2029	Sep 2030

14 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.