PhoneLifespan

15 vs 15T Pro

vs

It depends

Too close to call outright

These two are within 2 points overall, so it depends on you: keep phones for years → 15T Pro (supported until Sep 2030); want maximum speed → 15 (Snapdragon 8 Elite).

Value Score: 15 67 · 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 15 $750
Safe to buy$16.82/mo
2025◆ Buy-by Mar 20282030
Xiaomi 15T Pro $650
Safe to buy$12.65/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
15 9015T Pro 70

The 15's screen is the better one — 6.36-inch crystalres amoled, 2670×1200 (460 ppi), 1–120hz ltpo, up to 3200 nits peak, dolby vision/hdr10+.

Performance
15 9815T Pro 94

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

Camera
15 7915T Pro 79

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

Battery
15 8515T Pro 90

5,500mAh vs 5,240mAh — the 15T Pro lasts longer between charges.

Software longevity
15 5315T Pro 61

The 15T Pro is supported until Sep 2030 — 7 months longer than the 15.

Value
15 6715T Pro 69

Pound for pound, these two are equally good deals.

Full spec table
Spec1515T Pro
Price (street)$750$650
Display6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetSnapdragon 8 EliteMediaTek Dimensity 9400+
RAM12GB12GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,240 mAh5,500 mAh
Charging90W wired, 50W wireless90W wired, 50W wireless
Rear cameras50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide
Dimensions152.3 × 71.2 × 8.08 mm162.7 × 77.9 × 8.0 mm
Weight191 g210 g
Water resistanceIP68IP68
Supported untilMar 2030Sep 2030

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