PhoneLifespan

14T Pro vs 15 Pro

vs

It depends

Too close to call outright

These two are within 3 points overall — it genuinely depends on price on the day. The 15 Pro edges both longevity and performance, so prefer it when prices are close.

Value Score: 14T Pro 71 · 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 14T Pro $500
Safe to buy$12.67/mo
2024◆ Buy-by Sep 20272029
Xiaomi 15 Pro $650
Safe to buy$12.37/mo
2024◆ Buy-by Oct 20282030

Category by category

Display
14T Pro 8015 Pro 90

The 15 Pro's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance
14T Pro 9515 Pro 98

Performance is a wash — same chip tier.

Camera
14T Pro 7915 Pro 79

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

Battery
14T Pro 8015 Pro 100

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

Software longevity
14T Pro 4715 Pro 63

The 15 Pro is supported until Oct 2030 — 13 months longer than the 14T Pro.

Value
14T Pro 7115 Pro 74

Pound for pound, these two are equally good deals.

Full spec table
Spec14T Pro15 Pro
Price (street)$500$650
Display6.67-inch AMOLED, 2712×1220 (446 ppi), up to 144Hz, up to 4000 nits peak6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetMediaTek Dimensity 9300+Qualcomm Snapdragon 8 Elite
RAM12GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery5,000 mAh6,100 mAh
Charging120W wired, 50W wireless90W wired, 50W wireless
Rear cameras50MP main (Leica, Light Fusion 900, f/1.6, OIS), 50MP telephoto 2x, 12MP ultra-wide50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions160.4 × 75.1 × 8.39 mm161.3 × 74.6 × 8.4 mm
Weight209 g213 g
Water resistanceIP68IP68
Supported untilSep 2029Oct 2030

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