PhoneLifespan

15T vs 15T Pro

vs

It depends

Too close to call outright

These two are within 1 point overall, so it depends on you: keep phones for years → 15T (supported until Sep 2030); want maximum speed → 15T Pro (MediaTek Dimensity 9400+).

Value Score: 15T 70 · 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 15T $500
Safe to buy$9.73/mo
2025◆ Buy-by Sep 20282030
Xiaomi 15T Pro $650
Safe to buy$12.65/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
15T 7015T Pro 70

Both displays are effectively the same class.

Performance
15T 7815T Pro 94

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

Camera
15T 7915T Pro 79

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

Battery
15T 9015T Pro 90

Battery capacities are close enough not to decide this.

Software longevity
15T 6115T Pro 61

Both phones' support windows end around the same time.

Value
15T 7015T Pro 69

Pound for pound, these two are equally good deals.

Full spec table
Spec15T15T Pro
Price (street)$500$650
Display6.83-inch AMOLED, 2772x1280, 144Hz6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetMediaTek Dimensity 8400-UltraMediaTek Dimensity 9400+
RAM12GB12GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,500 mAh5,500 mAh
Charging67W wired90W wired, 50W wireless
Rear cameras50MP main, 50MP telephoto 2x, 12MP ultra-wide50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide
Dimensions163.2 × 78.0 × 7.5 mm162.7 × 77.9 × 8.0 mm
Weight194 g210 g
Water resistanceIP68IP68
Supported untilSep 2030Sep 2030

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